Asked Oct 28, 10:16 AM EDT (morning session). GPT-6, Muse Spark 1.1, Gemini 3.6 Flash High, Perplexity, Grok 4.7, Claude Sonnet 5.5 and DeepSeek answered the same standard prompt independently. Window: from Oct 28, 10:16 AM EDT to Oct 29, 10:16 AM EDT, the same time one session later. Benchmark: SPY.
Five direction-adjusted close-to-close returns; a down call reverses the sign. The score is the mean signed return, without subtracting the benchmark. In each chart SPY is on the left and the picks on the right, every candle drawn from zero to that asset's move; ✓ marks a pick that moved the way it was called.
| Model | Correct | Hit rate | Return | SPY | Directional return |
|---|---|---|---|---|---|
| GPT-6 | 2/5 | 40.00% | 0.04% | -0.29% | 0.04% |
| Muse Spark 1.1 | 2/5 | 40.00% | 0.47% | -0.29% | 0.47% |
| Gemini 3.6 Flash High | 3/5 | 60.00% | -0.43% | -0.29% | -0.43% |
| Perplexity | 4/5 | 80.00% | 1.22% | -0.29% | 1.22% |
| Grok 4.7 | 2/5 | 40.00% | -0.82% | -0.29% | -0.82% |
| Claude Sonnet 5.5 | 3/5 | 60.00% | 2.07% | -0.29% | 2.07% |
| DeepSeek | 2/5 | 40.00% | 0.13% | -0.29% | 0.13% |
GPT-6
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The October 27, 2026 session featured sharp earnings-driven repricing and a rebound in AI infrastructure shares. The strongest fundamental deterioration appears in Xylem and Boeing, while Herc Holdings has a constructive earnings and guidance catalyst. Pentair offers positive price momentum but less convincing fundamental improvement. Nebius faces a potential reversal because financing-related optimism has not resolved its broader funding risks. October 28 intraday observations are partial and are not included in completed daily statistics. The Federal Reserve decision scheduled for October 28 introduces additional market-wide uncertainty. Rankings forecast the remaining October 28–29 window, not simply movements already observed. Twenty-session dollar volume is calculated as the arithmetic mean of daily closing price multiplied by daily share volume; it is a closing-price approximation of traded dollar value, not consolidated trade-by-trade turnover. Market capitalizations are conservative approximate source-session values calculated from October 27 closing prices and published outstanding-share counts, rounded down to the nearest $10 million where necessary; exact historical capitalization snapshots were not independently verified. All five selections exceed the required screening floors by substantial margins. The primary signed-return score and fraction of correct directions remain unavailable until the authoritative forecast window closes.
- XYL down — confidence 78%. Xylem was the largest S&P 500 decliner on October 27, falling 14.21% after a disappointing third-quarter report and reduced full-year guidance. Management reduced its revenue forecast to approximately $8.95 billion from $9.2 billion and adjusted EPS guidance to $5.40–$5.45 from $5.55–$5.70. This is a substantive deterioration in near-term business expectations, not merely negative sentiment. Source: https://www.sec.gov/Archives/edgar/data/1524472/000152447226000146/xyl10272026ex991.htm . Before the earnings announcement, XYL closed October 26 at $108.24. Its October 27 opening price was $102.00, followed by a decline to $92.61 and a close at $92.86, almost at the session low. Trading volume was approximately 3.91 times its completed 20-session average. The stock broke its previous 20-session low. Latest_price: $88.28 USD; quote_time: 2026-10-28T10:29:00-04:00; quote_type: regular-session real-time-labelled quote; quote_source: https://stockanalysis.com/stocks/xyl/ . Quote freshness is approximately the interval from 10:29 ET to submission, rather than a guaranteed live execution price. PARTIAL SESSION as of that quote: open $91.00, high_so_far $91.40, low_so_far $87.67, cumulative_volume 2,486,540 shares. Same-time relative-volume baseline is unavailable. The October 26 pre-event close to latest quote change is -18.44%; this measures the combined announcement and subsequent trading reaction, not the remaining expected move. The approximately 4.93% decline already observed since October 27's close must not be counted again as prospective performance. Despite this substantial repricing, the guidance reduction, strong selling pressure and continued weakness favor another negative close-to-close interval. The strongest counterargument is that unusually heavy volume and an already severe two-day decline may produce a relief rally, especially given the company's resilient orders. A future completed close above $92.86 would materially weaken the immediate bearish-continuation thesis.
Return: 1.59%; alpha: -1.30%. - HRI up — confidence 71%. Herc Holdings was among the largest eligible NYSE gainers on October 27, rising 22.76% following third-quarter results and an increased full-year outlook. Adjusted earnings reached $3.91 per share against approximately $2.96 expected, rental revenue increased 12%, and adjusted EBITDA reached $603 million. Management raised its 2026 rental revenue and EBITDA guidance. This constitutes a substantive improvement in reported operating performance, although the revised revenue-guidance midpoint remained below some published analyst estimates. Source: https://www.nasdaq.com/press-release/herc-holdings-reports-third-quarter-2026-results-and-increases-2026-full-year . Before the announcement, HRI closed October 26 at $127.13. The earnings reaction began with an October 27 opening gap to $138.90, followed by an intraday high of $158.20 and a strong $156.06 close. Completed-session volume reached approximately 2.84 times its 20-session average. The stock also exceeded the prior 20-session high, suggesting a meaningful breakout. Latest_price: $163.75 USD; quote_time: 2026-10-28T10:21:00-04:00; quote_type: regular-session real-time-labelled quote; quote_source: https://stockanalysis.com/stocks/hri/history/ . PARTIAL SESSION as of that timestamp: open $163.09, high_so_far $166.29, low_so_far $160.96, cumulative_volume 215,579 shares. Same-time relative-volume baseline is unavailable. The combined change from the October 26 pre-event close to the latest quote is +28.81%, including approximately +4.93% already realized after the October 27 close. The remaining forecast anticipates additional gains rather than claiming these observed gains as future performance. Strong profitability, higher guidance and a second positive session favor continuation. However, a nearly 29% cumulative repricing creates substantial profit-taking risk. A future completed close below $156.06 would weaken the near-term bullish thesis.
Return: 3.43%; alpha: 3.73%. - BA down — confidence 69%. Boeing ranked among the largest October 27 S&P 500 decliners, falling 10.69% following third-quarter earnings and disappointing production and free-cash-flow guidance. Management indicated that stabilizing 737 production at 47 aircraft per month would take longer than expected, while the $10 billion annual free-cash-flow ambition was pushed toward 2029. Reuters reported a 2027 free-cash-flow outlook of approximately $3 billion versus a $5.5 billion analyst consensus. These are substantive negative changes to the expected timing of Boeing's recovery. Source: https://www.reuters.com/business/aerospace-defense/boeing-jetliner-production-challenges-weigh-third-quarter-results-2026-10-27/ . Before the announcement, Boeing closed October 26 at $188.31. On October 27 it opened at $183.50, briefly traded as high as $187.86, then declined to $167.41 before closing at $168.18. The closing position was near the session low, and trading volume was approximately 5.04 times its 20-session average. The previous 20-session low was decisively broken. Latest_price: $166.86 USD; quote_time: 2026-10-28T10:34:00-04:00; quote_type: regular-session real-time-labelled quote; quote_source: https://stockanalysis.com/stocks/ba/ . PARTIAL SESSION at that timestamp: open $167.99, high_so_far $170.20, low_so_far $165.01, cumulative_volume 6,600,177 shares. Same-time relative-volume baseline is unavailable. The combined decline from the pre-event close to the latest quote is approximately 11.39%; approximately 0.78% of the decline has already occurred since the October 27 close. The remaining forecast favors additional weakness because delayed aircraft production and cash generation directly affect valuation. The strongest counterargument is that the company reported positive free cash flow, improving defense profitability and a record backlog. A future completed close above $170.20 would weaken the immediate bearish case.
Return: 2.55%; alpha: -2.26%. - PNR up — confidence 62%. Pentair was the largest S&P 500 percentage gainer on October 27, rising 12.80% following third-quarter results. The company reported quarterly revenue of $976 million, adjusted EPS of $1.18 and adjusted return on sales of 24.8%. Management reaffirmed the midpoint of its full-year adjusted EPS guidance at approximately $4.70. However, reported revenue declined 4%, core revenue declined 5%, and adjusted EPS guidance was not materially raised. The positive reaction therefore appears to combine operating-margin confidence with sentiment-driven relief rather than a major upward revision to earnings expectations. Source: https://pentair.gcs-web.com/news-releases/news-release-details/pentair-reports-third-quarter-2026-results . The pre-announcement October 26 close was $55.22. On October 27, PNR opened at $61.01, dipped to $58.36, then recovered to close at $62.29, near its $62.67 high. Completed-session volume reached approximately 2.63 times the 20-session average. This was a confirmed 20-session breakout. Latest_price: $64.47 USD; quote_time: 2026-10-28T10:15:00-04:00; quote_type: regular-session real-time-labelled quote; quote_source: https://stockanalysis.com/stocks/pnr/ . PARTIAL SESSION: reported open $62.75 and cumulative_volume 568,763 shares. The source's displayed partial-session high was below its latest reported quote, so a synchronized high_so_far cannot be verified and is omitted. Same-time relative-volume baseline is unavailable. The combined pre-event-close to latest-quote gain is approximately 16.75%, including about 3.50% already realized since October 27's close. Remaining-window upside is possible because the breakout has initially held and the recovery finished near the prior session's high. Nevertheless, weak underlying revenue and the absence of a major adjusted-EPS guidance increase limit confidence. A future completed close below $62.29 would undermine the continuation thesis.
Return: 1.40%; alpha: 1.69%. - NBIS down — confidence 54%. Nebius was among the largest major-market gainers on October 27, advancing 11.22% after substantial weakness in AI infrastructure equities. Its rebound coincided with improving sentiment toward AI computing demand, reports of approximately EUR 250 million in financing for its Lille-area data-center project, and broader enthusiasm following Anthropic's IPO-related disclosures. The project financing was reported by financial media rather than independently confirmed through a company-specific filing reviewed for this experiment. Separately, Nebius had announced a verified $3.5 billion Citi financing facility on October 22. Sources: https://invezz.com/news/2026/10/27/why-are-coreweave-and-nebius-stocks-rising-4-on-tuesday/ and https://nebius.com/newsroom/nebius-secures-3-5-billion-financing-facility-with-citi . Prior to the October 27 rebound, NBIS had fallen sharply from levels above $230 earlier in October, with a particularly weak October 22 session and further weakness on October 26. The October 27 session opened at $159.00, climbed to $171.53 and closed at $170.47, near the high. That price action supports bullish momentum, but volume of 20.60 million shares was slightly below its 20-session average of 21.71 million, making conviction less compelling than the percentage gain suggests. Latest_price: $171.80 USD; quote_time: 2026-10-28T10:20:00-04:00; quote_type: regular-session real-time-labelled quote; quote_source: https://stockanalysis.com/stocks/nbis/history/ . PARTIAL SESSION as of that timestamp: open $173.49, high_so_far $175.56, low_so_far $168.92, cumulative_volume 5,702,410 shares. Relative intraday volume cannot be established without a comparable time-of-day baseline. The exact pre-event price for the reported French financing was not verified, so event-to-quote percentage reaction is null; the October 27 source-session change must not be represented as that event's isolated reaction. Since the October 27 close, approximately +0.78% was already observed at the latest quote. The forecast is for a subsequent negative close-to-close return despite this observed increase. The primary reversal thesis is that the recent recovery reflects a sentiment-driven rebound within a broader financing-sensitive downtrend rather than confirmed improvement in profitability or cash generation. The strong October 27 close, meaningful funding access and continued positive October 28 performance argue against the call. A future completed close above $178.85 would weaken the bearish-reversal thesis.
Return: 0.47%; alpha: -0.18%.
Muse Spark 1.1
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S&P 500 closed +0.60% at 7,722.60 on Oct 27 with Nasdaq +1.2% led by AI infrastructure. Session showed sharp divergence: AI supply chain (CLS, NBIS, SMCI, CRWV, WDC) rallied on earnings beats and financing, while aerospace and solar collapsed on operational misses. Most active dollar volume list confirms liquid large caps moved: META, TSLA, AAPL, NVDA, BA. Top loser list for Oct 27 included SPRC -34%, ARTV -30%, CLW -28.96%, INOD -25.37%, UPC -22%, FLXS -18.78%, RAPP -18.99% but many fail the $1B/$20M size filters. Filtering for price >=$5, market cap >=$1B and 20d avg dollar volume >=$20M leaves tradable extreme movers like BA, INOD, CLS, NBIS, SMCI.
- BA down — confidence 68%. Rank 1 large-cap loser on Oct 27: BA fell -10.69% to $168.18 close, volume 47.07M vs avg ~7M, ranking among top dollar-volume losers. Catalyst is substantive: Q3 2026 earnings miss (loss $0.26 vs expected loss $0.02), 737 production ramp delay to 2027, missed delivery targets, free cash flow guidance cut. Sources: TradingKey forecast note 'BA falls 10.69% to 52-week low after 737 ramp slips' and AeroHaber 'Boeing Plummets 11% On Lower Production Rates'. Substantive change to near-term cash expectations, not speculative. Price path before: BA was in 5-day downtrend from ~192 to 188, already weak. Observed reaction on Oct 27: open 183.50 gap down -2.5%, intraday low 167.41 new 52-week low, close near low 168.18 showing no bounce. Latest intraday quote at answering: $166.27 on 2026-10-28T13:45Z per finnhub.io, open 167.99 high 170.2 low 165.01, regular session live, down -1.13% from prior close. So -10.69% move is mostly reflected, but continuation risk remains as breakdown below $183.86 support. Thesis: continuation down. Volume spike 5x average supports distribution, not exhaustion. Counter-evidence: extreme oversold, RSI stretched, could bounce; Boeing backlog $500B+ still intact. Invalidation: a verified close above $183.86 (broken support) or announcement of FAA certification acceleration. Quote freshness: delayed 15-min regular session.
Return: 2.55%; alpha: -2.26%. - INOD up — confidence 58%. Rank 2 extreme loser Oct 27: INOD -25.32% to $44.74, #2 loser after CLW per stockmarketwatch list. Meets size filters barely with market cap $1.54B and avg dollar volume $94.61M. Catalyst mixed substantive/speculative: IndiaToday.in report of 550 layoffs in India and Philippines, plus overhang from high short interest 13.56%. Source: Kalkine 'What Sank Innodata 25.3% on October 27' and DNB article 'Innodata shares plunge 25% after report of over 500 India layoffs'. Layoffs could be cost-cutting positive but interpreted as demand loss, so mainly sentiment-driven. Price path before: INOD peaked $125.14 June 4, downtrend from $60.98 high Oct 26 to $59.91 close, then gap down to 48.70 open Oct 27. Observed reaction: open 48.70 down -18.7%, high 48.90 limited bounce, low 43.20, close 44.74 near low with volume 9.65M vs avg <1M, capitulation. Latest quote at answering: $44.2486 on 2026-10-28T13:30Z per finnhub.io, open 44.8 high 45.175 low 43.3401, regular session, down -1.09% from prior close, showing stabilization after plunge. Move already reflected ~25%, further downside limited without confirmation. Thesis: reversal up as layoff news overdone and Nov 5 earnings ahead may provide catalyst for short cover. Counter-evidence: AI data services tied to Big Tech concentration risk, beta 3.03, high volatility. Invalidation: verified close below $43.20 Oct 27 low or confirmation of client loss.
Return: 4.08%; alpha: 4.37%. - CLS up — confidence 72%. Rank 3 top gainer Oct 27: CLS +12.12% to $276.54 close, per stockinvest.us and MarketBeat, ranking among S&P gainers with FLEX and SMCI. Meets filters: price $276, market cap $34.87B, avg dollar volume $817.68M. Catalyst substantive: Q3 earnings Oct 26 after close beat $3.30 vs est $3.02 (+$0.28), revenue $5.83B +83% y/y vs est $5.483B, Q4 guidance $6.275-6.575B vs est $6.437B citing higher customer demand. Sources: MarketBeat 'Celestica reported $3.30 EPS topping consensus' and HeyGoTrade 'GOOGL and CLS Market Data regular-session close Oct 27'. Substantive change to business expectations. Price path before: CLS down from $314 Oct 21 to $246.65 Oct 26, oversold then gap up. Observed reaction Oct 27: open 264.31 up +7% gap, high 283 low 261.50 close 276.54 near high, volume 8.14M vs avg 2-3M, strong close in upper half. Latest quote at answering: $286.32 implied from finnhub previous close 276.54 change +9.78 +3.53% on 2026-10-28, pre-market $282.00 +2.12% per Kraken, regular session live, showing continuation already. Thesis: continuation up as earnings beat confirms AI server demand, guidance raise not yet fully priced. Counter-evidence: prior downtrend -19% 1-month, 52-week high $474 far above, could be sell-the-news. Invalidation: verified close below $261.50 Oct 27 low or downward revision of Q4 guidance.
Return: -0.26%; alpha: 0.03%. - NBIS down — confidence 55%. Rank 4 gainer Oct 27: NBIS +11.22% to $170.47, +$17.20, volume 20.5M, listed in most active. Meets filters: price $170, market cap $40.9B, avg dollar volume $2.99B. Catalyst speculative: French report of €250M (~$279M) raised for Lille data center easing debt financing concerns; also $3.5B facility and $36.8B valuation headline. Sources: Tickeron 'NBIS rose +11.08% trading near $170.25 primary catalyst French report raised €250M' and ad-hoc-news 'Nebius secures USD 3.5B facility'. Financing eases concern but does not change revenue, more sentiment. Price path before: NBIS down from $171.57 Oct 21 to $153.27 Oct 26 (-10% 5d), oversold. Observed reaction Oct 27: open 159.00 gap up, high 171.53, low 158.30, close 170.47 near high, volume 20.5M elevated. Latest quote at answering: $171.74 on 2026-10-28T13:20Z per finnhub, open 173.49 high 175.555 low 168.92, regular session live +0.74% vs prior close, showing fade from pre-market high. Thesis: reversal down as financing pop already reflected and debt concerns (50B debt, 15-16% yields) remain, high beta. Counter-evidence: AI cloud buildout accelerating, cash $3.68B, backlog demand. Invalidation: verified close above $175.55 Oct 28 high or announcement of additional non-dilutive funding >$1B.
Return: 0.47%; alpha: -0.18%. - SMCI up — confidence 62%. Rank 5 tradable gainer Oct 27: SMCI +7.34% to $35.09, rising from $32.69, volume 31.26M vs avg 23M. Meets filters: price $35, market cap $23.05B, avg dollar volume $1.32B. Catalyst substantive: 【entity-Reuters¦canonical_name=Reuters】 report Argentum AI (Super Micro-backed) in talks for $5B AI chip financing with private credit, plus preliminary guidance tailwind noted by TipRanks. Sources: FinanceFeeds 'SMCI rose 7.34% to $35.09 on Tuesday after 【entity-Reuters¦canonical_name=Reuters】 reported Super Micro-backed Argentum AI in talks for $5B AI chip financing' and Zacks 'Super Micro backed affiliate pursues large-scale financing'. $5B financing for chips is substantive demand indicator for SMCI servers. Price path before: SMCI downtrend from $35.57 Oct 21 to $32.69 Oct 26, then reversal. Observed reaction Oct 27: open 33.34, low 33.23, high 35.21, close 35.09 near high +7.34%, volume 31.26M above avg, close in upper quarter. Latest quote at answering: $35.045 on 2026-10-28T13:15Z per finnhub, open 35.54 high 36.035 low 34.85, regular session flat +0.02% vs prior close, showing consolidation after pop, not yet faded. Thesis: continuation up as AI server financing directly benefits SMCI systems revenue, guidance upgrade expected Nov 3 earnings. Counter-evidence: SMCI down -10.19% last 10 days, -31.96% YoY, accounting concerns overhang. Invalidation: verified close below $33.23 Oct 27 low or denial of Argentum financing talks.
Return: 1.54%; alpha: 1.84%.
Gemini 3.6 Flash High
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US equity markets exhibit elevated volatility following the October 27 source session, driven by third-quarter earnings disclosures and corporate announcements. The current environment favours selective reversal plays in large-cap industrial and energy names where sharp downside moves pushed technical indicators into deeply oversold territory, while software/tech names with revenue-concentration concerns face continued downside momentum.
- BA up — confidence 72%. Boeing dropped 10.69% in the October 27 source session to close at $168.18 following Q3 earnings news detailing jet production delays and reduced delivery targets. The latest regular-session quote is $168.18 USD as of October 27, 2026 close (source: Motley Fool / MarketWatch). Prior to the event, the price path traded in a range near $188-$190. The observed event reaction was a sharp sell-off to a new 52-week low of $167.41 on 47M shares (over 4x average volume). Over the remaining forecast window, a technical relief bounce is expected as daily RSI reached a deeply oversold level of 19.73 near key psychological support around $160-$165. The catalyst reflects real operational delays in 737 production, but market reaction appears overextended relative to the record $745B order backlog. Strongest counter-evidence is persistent supply chain friction delaying cash generation. Invalidation occurs if the price breaks below $160.35 on elevated volume.
Return: 2.55%; alpha: 2.85%. - HRI down — confidence 70%. Herc Holdings surged 22.76% in the October 27 source session to close at $156.06 following better-than-expected Q3 financial results. Latest regular-session price is $156.06 USD as of October 27, 2026 close (source: Fund Library). Pre-event price path was range-bound around $124-$128. Observed event reaction was a gap-up opening at $138.90 and push to intraday high of $158.20 on 2.04M shares. Over the upcoming session, a mean-reversion pullback is anticipated as traders lock in profits after a massive single-day gain that pushed price near its upper Bollinger Band. Catalyst assessment confirms strong rental demand and Q3 earnings beat, but leverage and elevated valuation ratios remain. Counter-evidence includes continued strong institutional buying. Invalidation occurs if price holds above $158.20 and pushes past $162.
Return: 3.43%; alpha: -3.14%. - INOD down — confidence 68%. Innodata plunged 25.32% in the October 27 source session to close at $44.74. Latest regular-session price is $44.74 USD as of October 27, 2026 close (source: Motley Fool). Pre-event path saw the stock trading near $60. The observed reaction was an abrupt sell-off to an intraday low of $43.20 on volume of 9.8M shares (over 6x average daily volume). The move was catalyzed by sudden international layoffs sparking fears among investors that Innodata lost a key generative AI customer contract. Continuation lower is expected over the forecast window as heavy institutional selling and client concentration risks weigh on sentiment. Strongest counter-evidence is potential clarification from management regarding contract continuity. Invalidation occurs if price recovers above $52.00.
Return: 4.08%; alpha: -3.78%. - VLO up — confidence 67%. Valero Energy declined 9.24% in the October 27 source session to close at $387.34. Latest regular-session price is $387.34 USD as of October 27, 2026 close (source: Investing.com / Gotrade). Pre-event path saw VLO trading above $425. Observed event reaction was an opening gap down to $420.34 and a decline to $385.65 on 5.08M shares (nearly 2x 20-day average volume). The catalyst was broad energy sector weakness and refining margin compression post-earnings. A technical reversal higher is expected over the target session as fundamental valuation (P/E 17x, $13.2B EBITDA) and strong balance sheet attract value buyers above the 200-day moving average context ($282-$295). Counter-evidence includes continued lower crude oil prices. Invalidation occurs if price falls below $379.50.
Return: 1.21%; alpha: 1.50%. - XYL up — confidence 65%. Xylem Inc. dropped 14.21% in the October 27 source session to close at $92.86. Latest regular-session quote is $92.86 USD as of October 27, 2026 close (source: Investing.com / AlphaStreet). Pre-event price path traded near $108. Observed reaction was a gap down to open at $98.50 and subsequent selling to $91.50 on volume of 10.23M shares (over 6x average daily volume). The sell-off was driven by general S&P 500 industrial weakness and updates regarding product contracts. Over the target session, a moderate relief rally is expected as the stock stabilizes from an overdone sell-off in a high-quality water infrastructure provider with long-cycle municipal backing. Strongest counter-evidence is broader industrial market sector weakness. Invalidation occurs if price breaches $90.00.
Return: 1.59%; alpha: 1.88%.
Perplexity
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US equities entered the session with an AI-infrastructure bid following strong memory and data-center equipment results, while several industrial, solar, medical-device and networking names sold off on earnings misses or weaker guidance. I favor selective continuation in fundamentally confirmed earnings winners with heavy volume, and a rebound in one oversold large-cap decliner where the sell-off appears sentiment-driven rather than a fundamental impairment. The main risk is that the forecast window includes the remainder of an already volatile session and the next open, so earnings-driven gaps can mean-revert quickly.
- VRT up — confidence 62%. Latest verified quote: $231.73 at 2026-10-28T13:34:00Z, delayed intraday/partial-session data from Nexqual; source https://nexqual.com/discover/movers. Vertiv was among the session's largest gainers, up 10.99% at that quote, after reporting Q3 adjusted EPS of $2.21 versus $1.82 expected and revenue of $4.31 billion versus $3.75 billion consensus, while issuing stronger-than-expected current-quarter and full-year guidance (CNBC, https://www.cnbc.com/2026/10/28/stocks-making-the-biggest-moves-premarket-ulbi-slhy-hood-enph.html). This is a substantive catalyst because it raises near-term revenue and earnings expectations, not merely sentiment. The prior session closed at $208.56 after a 4.39% gain on 8.41 million shares, above the cited roughly 5.6-6.4 million average, so the earnings move is occurring from an already firm base; the 9:50 ET quote of $232.61 (+11.5%) shows the gap held early rather than fading (247wallst, https://247wallst.com/cards/vertiv-s-11-5-jump-tops-the-open-and-the-spread-to-boston-vrt-session-movers-01m61cg508ab9nmn9mnqq9j8hh). I judge continuation: direction up relative to the positive source-session move. Counter-evidence: the stock is extended after two strong sessions and a large opening gap can attract profit-taking; the exact 20-day high/low and five-day OHLC series beyond the Oct 27 bar could not be fully verified, so those fields are null. Invalidation: a close back below the Oct 27 close of $208.56 would undermine the continuation thesis.
Return: 3.70%; alpha: 3.99%. - PNR up — confidence 55%. Latest verified quote: $62.29, up 12.80%, from the S&P 500 mover table timestamped 2026-10-28 01:30 IST in Economic Times; source https://economictimes.indiatimes.com/markets/us-stocks/wall-street-guide/us-market-rising-treasury-yields-put-us-banks-under-pressure-over-bond-losses/printarticle/135260352.cms. Pentair led S&P 500 gainers, and Trefis independently lists PNR as the day's leading S&P 500 winner at +12.8% (https://www.trefis.com/stock/spy/articles/620940/sp-500-movers-winners-pnr-flex-dell-losers-xyl-ba-vlo/2026-10-28). I could not verify a specific company-specific catalyst, market capitalization, or 20-day dollar volume from the available sources, so those fields are omitted rather than estimated. The move is large and broad-list confirmed, but without a verified earnings or guidance catalyst I treat it as partly speculative. I judge continuation because a 12.8% move in a large-cap industrial usually reflects a material information event, and the multiple independent mover lists corroborate the magnitude; direction up. Counter-evidence: the quote timestamp is early relative to the full session and no catalyst or intraday path could be verified, leaving reversal risk elevated. Invalidation: a future session that closes below the source-session reference price of $62.29 would contradict the continuation call.
Return: 1.40%; alpha: 1.69%. - XYL down — confidence 58%. Latest verified quote: $92.86, down 14.21%, from the S&P 500 mover table timestamped 2026-10-28 01:30 IST in Economic Times; source https://economictimes.indiatimes.com/markets/us-stocks/wall-street-guide/us-market-rising-treasury-yields-put-us-banks-under-pressure-over-bond-losses/printarticle/135260352.cms. Yahoo Finance reports Xylem fell 14.21% after Q3 results missed estimates, guidance was cut, and several analysts reduced price targets (https://uk.finance.yahoo.com/news/us-stock-market-today-p-121406952.html). This is a substantive negative catalyst because lowered guidance directly reduces near-term earnings expectations. I judge continuation: direction down relative to the negative source-session move. The scale of the miss-plus-guidance-cut combination makes a same-week rebound less likely than drift lower, although the decline is already severe. Counter-evidence: a 14% single-session decline can produce a technical bounce, and I could not verify the intraday low, closing position, market capitalization, or 20-day dollar volume, so those fields are omitted or null. Invalidation: a future close above the $92.86 reference quote would undermine the continuation thesis.
Return: 1.59%; alpha: -1.30%. - ENPH down — confidence 57%. Latest verified quote: $25.37, down 14.75%, at 2026-10-28T13:34:00Z, delayed intraday/partial-session data from Nexqual; source https://nexqual.com/discover/movers. CNBC reports Enphase fell more than 18% premarket after quarterly revenue declined to $293.3 million from $410.4 million a year earlier (https://www.cnbc.com/2026/10/28/stocks-making-the-biggest-moves-premarket-ulbi-slhy-hood-enph.html). The revenue contraction is a substantive fundamental catalyst, although the intraday loss had narrowed from the premarket move by the 13:34 UTC quote, suggesting some bargain-hunting. I judge continuation: direction down relative to the negative source-session move, because the revenue decline is large and the stock remains deeply lower. Counter-evidence: the narrowing from -18% premarket to -14.75% intraday is evidence of dip-buying and could precede a reversal; OHLC, market capitalization, and 20-day dollar volume could not be verified and are omitted or null. Invalidation: a future close above $25.37 would contradict the continuation call.
Return: -0.80%; alpha: 1.09%. - BSX up — confidence 51%. Latest verified quote: $40.79, down 9.53%, at 2026-10-28T13:34:00Z, delayed intraday/partial-session data from Nexqual; source https://nexqual.com/discover/movers. An earlier 9:50 ET quote showed Boston Scientific at $40.60, down 9.9%, so the decline was broadly stable through the morning rather than accelerating (https://247wallst.com/cards/vertiv-s-11-5-jump-tops-the-open-and-the-spread-to-boston-vrt-session-movers-01m61cg508ab9nmn9mnqq9j8hh). I could not verify the precise earnings or news catalyst, market capitalization, or 20-day dollar volume from the available sources, so those fields are omitted or null. Because no fundamental impairment was verified and the stock stabilized after an initial near-10% drop, I judge reversal: direction up relative to the negative source-session move. This is the weakest-confidence selection because the absence of a verified catalyst means the decline could reflect a genuine fundamental disappointment. Counter-evidence: a 9.5% decline in a large medical-device name may reflect material news that was not captured by the available sources; OHLC history also could not be verified. Invalidation: a future close below $40.60, the verified 9:50 ET quote, would undermine the reversal thesis.
Return: 1.82%; alpha: 2.11%.
Grok 4.7
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US equities showed broad gains on October 27 with tech and AI-related names leading on Meta share-sale interest and chip optimism, while energy refiners and certain industrials lagged on oil and guidance concerns. Extreme movers were dominated by earnings reactions; continuation is favored where catalysts are fundamental (earnings/guidance) rather than pure sentiment, with reversals more plausible only on overextended technicals absent new information.
- SOFI up — confidence 68%. SOFI ranked among top large-cap gainers on October 27 after reporting Q3 revenue of $1.4B (beat) and adjusted EPS of $0.18 (beat), raising full-year guidance and outlining a path to higher 2027 targets. Catalyst is substantive (verified earnings beat and guide raise that lifts near-term business expectations), not speculative. Price history shows the move came on elevated volume after a multi-day base; path of the last sessions was consolidative before the gap-and-hold. Intraday on October 28 the stock opened near 16.56 and traded to ~17.05 by mid-morning (live/delayed regular-session quote ~10:00-10:30 ET from multiple sources including stockanalysis.com and Motley Fool), so roughly +4% from prior close already realized; remaining forecast is modest further continuation on the raised outlook before any profit-taking. Counter-evidence is the stock’s still-elevated valuation and prior-year declines; strongest support for continuation is the concrete guidance lift. Invalidation would be a close back below the October 27 open (~15.98) or any negative credit-trend commentary. Avg dollar volume far exceeds $20M (recent daily volumes 40-160M shares).
Return: 2.70%; alpha: 3.00%. - PNR up — confidence 62%. PNR was a top S&P 500 gainer on October 27 after Q3 sales beat on water solutions and management stated pool destocking is complete, with reaffirmed adjusted EPS outlook near $4.70. Catalyst is substantive (earnings beat and completion of destocking). Price action showed a strong gap and close near session highs on roughly double average volume. On October 28 the stock traded around 64.17 (intraday regular-session quote mid-morning ET from financecharts and stockanalysis), already +~3% from the 62.29 prior close. Remaining window favors modest continuation given the fundamental clearance of a prior overhang. Counter-evidence is the still-large year-to-date decline and possible sector rotation; volume expansion supports the move. Invalidation would be a break back under the October 27 low (~58.36).
Return: 1.40%; alpha: 1.69%. - INOD down — confidence 65%. INOD was among the largest losers on October 27 after reports of nearly 550 layoffs in India and the Philippines, raising concerns about cost structure and demand. Catalyst is substantive (verified workforce reduction that can alter near-term operating expectations). Price closed near the lows of a high-volume range after gapping down. On October 28 the stock traded around 44.20 (intraday regular-session quote ~10:17 ET from stockanalysis.com), roughly flat to slightly down from the 44.74 prior close, so little further reaction yet. Continuation lower is favored while the layoff implications are digested. Counter-evidence is the stock’s prior strong multi-year run and possible oversold bounce; high volume on the decline supports further pressure. Invalidation would be a reclaim of the October 27 open (~48.70).
Return: 4.08%; alpha: -3.78%. - XYL down — confidence 70%. XYL was the weakest S&P 500 name on October 27 after Q3 revenue missed ($2.20B vs ~$2.28B expected) and management cut full-year adjusted EPS guidance to $5.40-$5.45 from $5.55-$5.70. Catalyst is substantive (earnings miss plus guidance reduction that lowers near-term expectations). Price closed near the lows after a gap down on heavy volume. On October 28 the stock traded around 88.00-88.32 (intraday regular-session quotes ~10:00-10:10 ET from stockanalysis.com and Yahoo Finance), already another ~5% lower, so further continuation of the prior-session decline is in progress. Remaining forecast expects the guidance cut to keep pressure on. Counter-evidence is possible oversold bounce or sector relief; volume and guidance cut support continuation lower. Invalidation would be a recovery above the October 27 open (~102).
Return: 1.59%; alpha: -1.30%. - BA down — confidence 60%. BA was a top large-cap loser on October 27 after reporting a wider-than-expected adjusted loss of $0.34 and pushing the 737 production rate target of 47 jets per month into early 2027, with free-cash-flow guide implications. Catalyst is substantive (earnings miss plus delayed production ramp that alters cash-flow timing). Price closed near the lows of a wide range on very heavy volume. On October 28 the stock traded around 166.12 (intraday regular-session quote ~10:15 ET from Yahoo Finance), already ~1% lower, indicating continued pressure. Remaining window favors further downside while the production timeline is digested. Counter-evidence is the large backlog and possible relief if cash-flow commentary improves; volume and the delay support continuation lower. Invalidation would be a recovery above the October 27 high (~187.86).
Return: 2.55%; alpha: -2.26%.
Claude Sonnet 5.5
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Source session Oct 27, 2026 was risk-on: S&P 500 +0.60%, Nasdaq Composite +1.18%, Philadelphia Semiconductor Index +3.60%, VIX 17.52, with earnings-driven single-stock gaps dominating the mover lists. The Fed meeting concludes today at 2:00 PM ET; a hold is widely expected, but prediction markets price a December hike at roughly 73-75%, and Microsoft and Alphabet report after the close, so macro and AI-capex headline risk is elevated. The book is built on post-earnings guidance drift: three upside continuations after guidance raises (SoFi, Herc, Kiniksa) and two downside continuations after guidance-cut or loss reactions (Xylem, Boeing). Most picks have already moved further in the same direction this morning, so the expected edge is the remainder after the quote, not the gap itself. A hawkish Fed surprise would hurt the three long picks together, so they are correlated.
- XYL down — confidence 60%. Hypothesis: continuation lower. Source-session change -14.21% (Oct 26 close 108.24 to Oct 27 close 92.86), so continuation means direction down. Catalyst (facts): Xylem reported Q3 on Oct 27 and, per CappNotes, cut its 2026 revenue and EPS outlook and announced two divestitures. The company 8-K says orders and backlog were strong but revenue was hit by project timing and more cautious spending, and it intends to divest Applied Water International and Specialty Flow Control and move to three segments in 2027. Assessment: the guidance cut changes near-term revenue and EPS expectations, so this is partly fundamental; the restructuring is a longer-dated positive, and how much sentiment adds is my inference. Oppenheimer on Oct 28 kept Outperform but cut its target from 150 to 135, which is evidence of estimate resets. Price path: before the event the stock was in a tight 100-110 range (Oct 26 close 108.24). Observed reaction: gap-down open at 102.00 on Oct 27, low 92.61, close 92.86 near the low of the day on 10.2M shares versus a 20-day average of about 2.62M, a breakdown to a 52-week low. Latest quote (live, regular session, Yahoo Finance real-time): latest_price 88.08 USD, quote_time 2026-10-28T10:35:21-04:00, source https://finance.yahoo.com/quote/XYL/. Event-to-quote move from the verified pre-event close of 108.24 is -18.63%, of which about -5.15% has occurred since the Oct 27 close. PARTIAL SESSION as of 10:35 AM EDT: open 91.00, high 91.40, low 87.40, cumulative volume 2,677,112; relative intraday volume cannot be established without a same-time-of-day baseline. Market cap 20.2B is Yahoo's intraday figure at 88.08. The 20-day average dollar volume of about 267M USD is my computation from Yahoo daily close times volume over Sep 30 to Oct 27, well above the 20M floor. Expected move after the quote: continued drift as analysts cut targets and funds reposition; much of the gap is already priced, so the remaining edge is modest. Strongest counter-evidence: the stock is already about 18.6% below its pre-event price, orders and backlog were described as strong, the Street still has Buy ratings and a 133.88 average target, and a sharp rebound from the 87.40 low is plausible. Invalidation: a sustained recovery above the Oct 27 close of 92.86, or a rebound that closes the gap toward the Oct 27 open of 102.00. Sources: https://cappnotes.substack.com/p/closing-look-tuesday-october-27-2026 and https://www.sec.gov/Archives/edgar/data/0001524472/000152447226000146/xyl10272026ex991.htm
Return: 1.59%; alpha: -1.30%. - SOFI up — confidence 56%. Hypothesis: continuation higher. Source-session change +13.42% (Oct 26 close 14.46 to Oct 27 close 16.40), so continuation means direction up. Catalyst (facts): record Q3 results with adjusted net revenue of about 1.4B USD, a raised 2026 outlook and a preliminary 2027 outlook (adjusted net revenue 6.4B, adjusted EBITDA 2.24B, adjusted EPS 0.90) that CappNotes describes as well ahead of estimates; the adjusted EBITDA beat was reported by CNBC as more than 40M above expectations. Assessment: a raised multi-year outlook changes forward earnings expectations, so it is fundamental rather than purely sentiment; the stock was heavily sold in the prior weeks (20-day low 13.86 on Oct 15), so some of the gain may be short covering, which is my inference. Price path: a drift from 15.8 to 14.5 over Oct 1 to Oct 26 before the event. Observed reaction: gap-up open at 15.98, high 16.76, close 16.40 near the high on 160.7M shares versus a 20-day average of about 50.8M, breaking above the prior 20-day high. Latest quote (live, regular session, Yahoo Finance real-time): latest_price 16.94 USD, quote_time 2026-10-28T10:36:22-04:00, source https://finance.yahoo.com/quote/SOFI/history/. Event-to-quote move from the pre-event close of 14.46 is +17.15%, with about +3.3% since the Oct 27 close. PARTIAL SESSION as of 10:36 AM EDT: open 16.56, high 17.25 (seen earlier in the session), low 16.56, cumulative volume about 26.9M; relative intraday volume cannot be established. Market cap 21.967B is Yahoo's intraday figure at 16.94; the 20-day average dollar volume of about 777.5M USD is my computation from Yahoo close times volume. Expected move after the quote: post-earnings estimate and price-target upgrades could extend the move, but a large share of the catalyst is already in the price. Strongest counter-evidence: SoFi has faded after earnings spikes before (for example the Oct 28, 2025 spike and the multi-week declines after), the stock is a high-beta, rate-sensitive name, and the Fed decision today with December hike odds near 73-75% is a direct risk. Invalidation: a close back below the Oct 27 open of 15.98, which would fill the gap and signal that the earnings re-rating failed. Sources: https://cappnotes.substack.com/p/closing-look-tuesday-october-27-2026 and https://hdfcsky.com/news/celestica-surges-11-44percent-on-strong-forecast-sofi-jumps-15-42percent-on-earnings-beat-whirlpool-slumps-on-losses
Return: 2.70%; alpha: 3.00%. - HRI up — confidence 52%. Hypothesis: continuation higher. Source-session change +22.76% (Oct 26 close 127.13 to Oct 27 close 156.06), so continuation means direction up. Catalyst (facts): per CappNotes, Herc reported adjusted EPS of 3.91 versus a 2.96 consensus and raised full-year EBITDA guidance. Assessment: a large beat plus a guidance raise changes near-term earnings expectations, so it is fundamental; the equipment-rental cycle is sensitive to rates and construction activity, which is my inference. Price path: base-building from 120 to 133 over Oct, then a 4.4% dip on Oct 23-26 before the event. Observed reaction: gap-up open at 138.90, high 158.20, close 156.06 near the high on 2.04M shares versus a 20-day average of about 719k, a breakout above the prior 20-day high of 131.73 area. Latest quote (live, regular session, Yahoo Finance real-time): latest_price 164.85 USD, quote_time 2026-10-28T10:35:42-04:00, source https://finance.yahoo.com/quote/HRI/. Event-to-quote move from the pre-event close of 127.13 is +29.67%, with about +5.6% since the Oct 27 close. PARTIAL SESSION as of 10:35 AM EDT: open 163.09, high 166.29, low 160.96, cumulative volume about 237,600; relative intraday volume cannot be established. Market cap 5.516B is Yahoo's intraday figure at 164.85; the 20-day average dollar volume of about 94.8M USD is my computation from Yahoo close times volume. Expected move after the quote: continued re-rating and estimate increases may support further drift, but the stock has now risen almost 30% in two sessions, so the remaining edge is limited and mean reversion risk is real. Strongest counter-evidence: a roughly 30% two-day rise leaves the stock extended and vulnerable to profit-taking, and the stock sits below its 52-week high of 188.35, which could act as supply. Invalidation: a close back below the Oct 27 close of 156.06. Sources: https://cappnotes.substack.com/p/closing-look-tuesday-october-27-2026
Return: 3.43%; alpha: 3.73%. - KNSA up — confidence 54%. Hypothesis: continuation higher. Source-session change +22.23% (Oct 26 close 72.98 to Oct 27 close 89.20), so continuation means direction up. Catalyst (facts): per CappNotes, Arcalyst revenue grew 58% to 286M USD and Kiniksa raised its 2026 Arcalyst guidance. Assessment: a revenue beat with raised guidance changes near-term business expectations, so it is fundamental; the stock remains dependent on a single product, which is a known concentration risk. Price path: a base near 76-80 through October, then a dip to a 70.67 low on Oct 26. Observed reaction: open 85.00, low 82.26, high 90.80, close 89.20 on 2.32M shares versus a 20-day average of about 742k, breaking to a new 52-week high area. Latest quote (live, regular session, Yahoo Finance real-time): latest_price 88.56 USD, quote_time 2026-10-28T10:35:41-04:00, source https://finance.yahoo.com/quote/KNSA/. Event-to-quote move from the pre-event close of 72.98 is +21.35%, with about -0.7% since the Oct 27 close. PARTIAL SESSION as of 10:35 AM EDT: open 88.00, high 89.70, low 87.54, cumulative volume about 241k; relative intraday volume cannot be established. Market cap 6.91B is Yahoo's intraday figure; the 20-day average dollar volume of about 59.2M USD is my computation from Yahoo close times volume. Expected move after the quote: analyst target increases could support a further drift; today's quiet consolidation near the high is mildly constructive, but most of the catalyst is priced. Strongest counter-evidence: the stock is up about 22% in a day, trades above the 1-year average analyst target path of 103.62 only partially, and is concentrated in one drug facing emerging competition. Invalidation: a close below the Oct 27 open of 85.00. Sources: https://cappnotes.substack.com/p/closing-look-tuesday-october-27-2026
Return: 8.33%; alpha: 8.63%. - BA down — confidence 48%. Hypothesis: continuation lower. Source-session change -10.69% (Oct 26 close 188.31 to Oct 27 close 168.18), so continuation means direction down. Catalyst (facts): per CappNotes, Boeing reported a GAAP loss of 0.26 per share despite a record 745B backlog. Assessment: the loss changes near-term earnings and cash expectations, so it is partly fundamental; the backlog is a long-dated positive, and how much of the move is sentiment is my inference. Price path: a steady 185-193 range before the event. Observed reaction: open 183.50, low 167.41, close 168.18 near the low on 47.1M shares versus a 20-day average of about 9.44M, a break to a new 20-day low. Latest quote (live, regular session, Yahoo Finance real-time): latest_price 166.79 USD, quote_time 2026-10-28T10:36:41-04:00, source https://finance.yahoo.com/quote/BA/. Event-to-quote move from the pre-event close of 188.31 is -11.43%, with about -0.8% since the Oct 27 close. PARTIAL SESSION as of 10:36 AM EDT: open 167.99, high 170.20, low 165.01, cumulative volume about 6.78M; relative intraday volume cannot be established. Market cap 132.173B is Yahoo's intraday figure; the 20-day average dollar volume of about 1.74B USD is my computation from Yahoo close times volume. Expected move after the quote: heavy-volume breakdowns often see analyst target cuts and continued distribution; the stock is trading at fresh lows this morning. Strongest counter-evidence: the record backlog and a capitulation-sized 47M share volume can mark a short-term low and trigger a rebound. Invalidation: a rebound that holds above the Oct 27 close of 168.18 would weaken the thesis, and a reclaim of the gap area toward 183.50 would invalidate it. Sources: https://cappnotes.substack.com/p/closing-look-tuesday-october-27-2026
Return: 2.55%; alpha: -2.26%.
DeepSeek
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The Oct 27 source session was a broad risk-on rebound in AI infrastructure, memory and space names. On Oct 28 the follow-through is uneven: WDC and ALAB are holding above their opens, CRWV is slightly above its prior close but below its open, while NBIS and RKLB have faded below their opens. I treat the AI/semiconductor bounce as intact but increasingly selective, favoring earnings-backed WDC and relative-strength ALAB/CRWV, while fading the failed gap-ups in NBIS and RKLB.
- WDC up — confidence 70%. WDC rose 6.95% to $380.88 on Oct 27 after fiscal Q1 2027 revenue of $4.381B (+55.46% y/y), operating income +162.77% and EPS of $4.63 (+50.86%), plus a broad memory-sector advance; this is a substantive fundamental catalyst (https://longbridge.com/en/quote/WDC.US). The latest regular-session quote is $387.97 at 2026-10-28T14:32:55Z (Yahoo Finance chart, delayed intraday), 16 minutes into the Oct 28 session, above the $385.00 open and near the $389.27 session high. Oct 27 closed near its high on 9.16M shares, and the five-session path shows a higher low from $343.67 to $380.88, so price and volume support continuation. Counter-evidence: WDC is still roughly 52% below its 52-week high and closed Oct 27 just below its MA20 near $386.54; post-market on Oct 27 had slipped to $371.33. A close below the Oct 27 low of $358.24 would undermine the continuation thesis.
Return: 2.97%; alpha: 3.27%. - ALAB up — confidence 63%. ALAB rose 10.47% to $286.69 on Oct 27, driven by a Jefferies price-target hike to $450 against TD Cowen's $300 target and a broad AI-hardware rally; this is an analyst/sentiment catalyst rather than a new fundamental disclosure (https://longbridge.com/en/quote/ALAB.US). The latest regular-session quote is $292.49 at 2026-10-28T14:32:49Z (Yahoo Finance chart, delayed intraday), above the $290.71 open and near the $295.50 session high. Oct 27 closed at the top of its range on 4.52M shares, above the 20-day average of 4.02M. Counter-evidence: ALAB is still below its MA20 near $317 and MA60 near $312, and the rally is counter-trend after a fall from the 20-day high of $401.74; a sector fade could reverse it. A close below the Oct 27 close of $286.69 would undermine the continuation thesis.
Return: -1.07%; alpha: -0.77%. - RKLB down — confidence 61%. RKLB rose 8.34% to $58.31 on Oct 27 on news that Neutron's second stage was shipped to the launch site plus a broad space rally; the shipment is tangible technical progress, but the maiden launch is still targeted for 2027 and does not change near-term revenue, so the catalyst is incremental and sentiment-driven (https://longbridge.com/en/quote/RKLB.US). The latest regular-session quote is $57.39 at 2026-10-28T14:32:55Z (Yahoo Finance chart, delayed intraday), below the $58.50 open and below the $58.31 prior close, a failed gap-up. Oct 27 closed below its high of $59.18, and the stock remains below its MA20 near $61.89, supporting reversal. Counter-evidence: the source session closed strong and the 20-day low was $49.25, so momentum buyers could defend $57. A close above $59.18 would undermine the down call.
Return: 4.56%; alpha: -4.26%. - CRWV up — confidence 57%. CRWV rose 7.94% to $59.57 on Oct 27 as Crusoe's CEO called the neocloud selloff overblown and praised CoreWeave's deals; that is a sentiment catalyst, not a company fundamental update (https://longbridge.com/en/quote/CRWV.US). The latest regular-session quote is $60.04 at 2026-10-28T14:32:55Z (Yahoo Finance chart, delayed intraday), above the $59.57 prior close but below the $60.46 open. Oct 27 closed near its high on 53.5M shares, roughly in line with its 20-day average of 55.6M. Counter-evidence: CRWV is still far below its MA20 near $73, and the bounce came from a 52-week low of $51.24; if the AI bid fades, the stock can reverse. A close below $59.57 would undermine the continuation thesis.
Return: 3.75%; alpha: 4.05%. - NBIS down — confidence 55%. NBIS rose 11.22% to $170.47 on Oct 27 on the same neocloud rebound and Crusoe CEO comments; there was no company-specific fundamental announcement, and Q2 net loss was $190.4M, so the catalyst is sentiment-driven (https://longbridge.com/en/quote/NBIS.US). The latest regular-session quote is $172.04 at 2026-10-28T14:32:53Z (Yahoo Finance chart, delayed intraday), below the $173.65 open after failing at the $175.56 session high, a weak follow-through. Oct 27 closed near its high, but the stock is still in a 20-day downtrend with a high of $255.10 and MA20 near $213, supporting a reversal. Counter-evidence: the quote is still above the $170.47 prior close, so the down call needs a close below that level; short-covering could extend the squeeze. A close above $175.56 would undermine the reversal thesis.
Return: 0.47%; alpha: -0.18%.
How models have done in Extreme Movers + OHLC
ForecastNest's own settled Extreme Movers + OHLC runs at this horizon, up to and including this one. Members' own research is not counted. Runs created after their scoring window began, or with an unverified start time, are excluded. The chart is the average directional return per run. A bar drawn pale is inside its own sample noise -- the runs behind it scatter too widely for that average to separate from zero -- so read the ordering as provisional until the record is deep enough to carry it. The table below adds how many of the five directions were called correctly, which is a steadier measure on a short record because it counts several picks a run rather than one result.
Chart note — “within noise”: The pale bar means the observed average is not clearly separated from zero by this chart's rule, or there is not enough information to assess it. A solid bar requires an average at least two standard errors from zero (standard error = sample standard deviation ÷ √runs). Fewer than two runs, missing variability, or zero measured variability remain pale. This is a rough uncertainty indicator, not proof of no effect or a guarantee of future performance.
| Model | Runs | Avg directions called correctly | Avg directional return |
|---|---|---|---|
| Grok | 1 | 80.00% | +1.42% |
| GPT-6 | 12 | 58.33% | +0.98% |
| Gemini 1.5 Pro | 3 | 71.67% | +0.96% |
| Muse Spark 1.1 | 12 | 61.67% | +0.93% |
| Perplexity | 10 | 54.00% | +0.23% |
| DeepSeek | 11 | 47.27% | -0.20% |
| Gemini 3.6 Flash High | 1 | 60.00% | -0.43% |
| Grok 4.7 | 4 | 50.00% | -0.45% |
| Grok 4.5 | 4 | 35.00% | -0.54% |
| Claude Opus 5.5 | 3 | 60.00% | -0.69% |
| Gemini 3 Pro | 4 | 45.00% | -0.72% |
| Claude Sonnet 5.5 | 4 | 30.00% | -1.41% |
| Grok 4 | 1 | 40.00% | -1.54% |
View settlement prices
| Symbol | Start | End | Source | Notes |
|---|---|---|---|---|
| ALAB | 290.78000000 | 287.67500000 | https://finance.yahoo.com/quote/ALAB/history/ | |
| BA | 166.07750000 | 170.32000000 | https://finance.yahoo.com/quote/BA/history/ | |
| BSX | 41.56000000 | 42.31500000 | https://finance.yahoo.com/quote/BSX/history/ | |
| CLS | 285.33000000 | 284.57500000 | https://finance.yahoo.com/quote/CLS/history/ | |
| CRWV | 59.58000000 | 61.81680000 | https://finance.yahoo.com/quote/CRWV/history/ | |
| ENPH | 25.15000000 | 24.95000000 | https://finance.yahoo.com/quote/ENPH/history/ | |
| HRI | 163.10010000 | 168.70000000 | https://finance.yahoo.com/quote/HRI/history/ | |
| INOD | 44.03000000 | 45.82500000 | https://finance.yahoo.com/quote/INOD/history/ | |
| KNSA | 88.87500000 | 96.28000000 | https://finance.yahoo.com/quote/KNSA/history/ | |
| NBIS | 171.97000000 | 172.78000000 | https://finance.yahoo.com/quote/NBIS/history/ | |
| PNR | 64.48000000 | 65.38000000 | https://finance.yahoo.com/quote/PNR/history/ | |
| RKLB | 57.28500000 | 59.89520000 | https://finance.yahoo.com/quote/RKLB/history/ | |
| SMCI | 35.00000000 | 35.54000000 | https://finance.yahoo.com/quote/SMCI/history/ | |
| SOFI | 17.01500000 | 17.47500000 | https://finance.yahoo.com/quote/SOFI/history/ | |
| SPY | 770.91000000 | 768.65000000 | https://finance.yahoo.com/quote/SPY/history/ | |
| VLO | 382.92000000 | 387.55000000 | https://finance.yahoo.com/quote/VLO/history/ | |
| VRT | 237.39000000 | 246.17000000 | https://finance.yahoo.com/quote/VRT/history/ | |
| WDC | 385.78000000 | 397.25000000 | https://finance.yahoo.com/quote/WDC/history/ | |
| XYL | 87.52000000 | 88.91000000 | https://finance.yahoo.com/quote/XYL/history/ |
Standard prompt extreme-movers-v11+ohlc3, SHA-256 f505cd83be76a0fddea3013276a70fadb49335d6275634848396f5bdb96d6256. The prompt is available to ForecastNest members; the fingerprint shows it was not changed after the fact.
Calculation: extreme-movers-ohlc-v1.
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