This is ForecastNest’s 1 day forecast for GOOG, created 2026-09-17 14:36 UTC. The window closed 2026-09-18 14:36 UTC, when GOOG closed at $347.17, up 0.9% from $344.23 when the forecast was made. It traded between $341.15 and $355.13 along the way (-0.9% to +3.2%).
Prediction window: Equity / ETF 1D: the stored target below is authoritative; it may be a session close or an intraday instant.
Prediction time: 2026-09-17 14:36 UTC (9/17/2026, 10:36:59 AM EDT).
Valid until: 2026-09-18 14:36 UTC (9/18/2026, 10:36:59 AM EDT). Target session: 2026-09-18 (New York); During session. Lead time to expiry: 24 elapsed hours. Timing: Regular session. Based on stored prediction time, not verified model execution time.
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None of the 5 models called a direction. Each model is also asked to find the price it was forecasting from when it answers, shown as the dashed line inside its box in the picture below. Every model found it accurately.
Below are the details.
| Model | Range | Move | Confidence | Price it found | Score | Result |
|---|---|---|---|---|---|---|
| GPT-5.6 Sol | $335.00–$350.50 | -2.3% to +2.2% | 57% | $342.85 | 53.0 | no call |
| Claude Opus 5 | $336.05–$351.80 | -2.2% to +2.4% | 53% | $343.60 | 52.8 | no call |
| Muse Spark 1.1 | $336.00–$348.00 | -1.8% to +1.7% | 53% | $342.19 | 53.2 | no call |
| Gemini 1.5 Pro | $338.00–$350.00 | -1.8% to +1.7% | 65% | $344.21 | 53.7 | no call |
| DeepSeek V3 | $336.00–$350.00 | -2.0% to +2.1% | 56% | $342.80 | 53.1 | no call |
How these models have done on GOOG over 1 day
This forecast is settled and is included in the statistics below. The remaining records are forecasts created before 2026-09-17 14:36 UTC. Only settled directional calls count toward accuracy.
| Model | Asked | Still open | No call | Called up | Called down | Right |
|---|---|---|---|---|---|---|
| GPT-5.6 Sol | 1 | — | 1 | — | — | — |
| Claude Opus 5 | 1 | — | 1 | — | — | — |
| Muse Spark 1.1 | 1 | — | 1 | — | — | — |
| Gemini 1.5 Pro | 1 | — | 1 | — | — | — |
| DeepSeek V3 | 1 | — | 1 | — | — | — |
Every published GOOG forecast over 1 day before this question was asked, on 2026-09-17 14:36 UTC, plus this settled forecast. Forecasts created after this question are excluded. Results reflect the settlements available when this article is generated. A day-ahead call and a week-ahead one are counted separately — they are different questions. Only settled forecasts are graded, so open + no call + up + down adds up to asked. “No call” is a range too centred on the price to be pointing anywhere. Accuracy counts only forecasts that have settled, and the count behind it is shown beside it — a single right call is not a 100% record.
What each model said
GPT-5.6 Sol
Result: no call
View full reasoning
(1) What I found: The freshest GOOG trade I could independently verify was a September 17 premarket quote of $342.85 at 7:22 AM EDT, up 1.03% from the September 16 regular-session close of $339.36. That quote predates the requested 14:36 UTC baseline by more than three hours, so I classify data_access as partial rather than live and use $342.85 as the freshest verified price rather than claiming an unverified intraday quote. The September 16 session ranged from $337.45 to $344.70. Source: [https://stockanalysis.com/stocks/goog/
(2)](https://stockanalysis.com/stocks/goog/
%282%29) Market regime: Alphabet is trading inside a volatile but fundamentally supported large-cap technology regime. GOOG fell 0.61% on September 16 after gaining 3.06% on September 14, while the broader U.S. market opened sharply higher on September 17 as oil prices and Treasury yields eased. Alphabet also has a comparatively defensive earnings profile within large-cap AI because Search, YouTube and Cloud generate substantial cash flow while AI infrastructure spending continues. Sources: [https://www.marketbeat.com/stocks/NASDAQ/GOOG/chart/](https://www.marketbeat.com/stocks/NASDAQ/GOOG/chart/) and [https://www.marketwatch.com/livecoverage/stock-market-today-dow-s-p-500-nasdaq-climb-after-selloff-federal-reserve-rate-hike/card/u-s-stocks-open-higher-as-oil-prices-and-treasury-yields-ease-p3HY1lUbDkfrTmAfoAUC
(3)](https://www.marketwatch.com/livecoverage/stock-market-today-dow-s-p-500-nasdaq-climb-after-selloff-federal-reserve-rate-hike/card/u-s-stocks-open-higher-as-oil-prices-and-treasury-yields-ease-p3HY1lUbDkfrTmAfoAUC
%283%29) Price range: I use $335.00-$350.50 for the next one-day window. The lower bound extends below the September 16 low and toward the recent September 11-14 support zone, allowing for renewed rate pressure or a reversal of today's broad technology rebound. The upper bound slightly exceeds the September 14 intraday high of $346.45 and allows an additional extension if the favorable antitrust interpretation and technology-sector strength persist. Recent daily trading ranges have commonly spanned roughly $5-$8, so a range of this width is consistent with current realized volatility. Source: [https://www.marketminute.com/quote/NQ%3AGOOG/historical
(4)](https://www.marketminute.com/quote/NQ%3AGOOG/historical
%284%29) Catalysts inside the window: The most important Alphabet-specific catalyst is the September 16 U.S. ad-tech remedies decision. Reuters reported that the federal judge stopped short of ordering a breakup of Google's advertising technology business, instead requiring changes to auction rules, separation of certain AdX and ad-server practices, and a six-year antitrust compliance monitor. That removes a more severe structural remedy while still creating regulatory and implementation costs. Separately, Reuters reported that banks are providing $22 billion of financing for Crux AI, a Blackstone-Alphabet cloud venture that will use Google TPUs and services, reinforcing the scale of Alphabet's AI infrastructure opportunity. Sources: [https://www.reuters.com/world/google-should-appoint-antitrust-compliance-officer-us-judge-says-ad-tech-case-2026-09-16/](https://www.reuters.com/world/google-should-appoint-antitrust-compliance-officer-us-judge-says-ad-tech-case-2026-09-16/) and [https://www.reuters.com/world/asia-pacific/banks-provide-22-billion-chip-loan-blackstone-alphabet-cloud-venture-bloomberg-2026-09-16/
(5)](https://www.reuters.com/world/asia-pacific/banks-provide-22-billion-chip-loan-blackstone-alphabet-cloud-venture-bloomberg-2026-09-16/
%285%29) Strongest counter-argument: The bearish case is that the market is underestimating the financial and strategic consequences of the ad-tech remedies while Alphabet continues spending aggressively on AI infrastructure. A renewed increase in Treasury yields would also pressure large-cap technology valuations. A sustained move below roughly $337-$339 would weaken the mild bullish one-day interpretation, while a move through the recent $346-$350 region would indicate that investors are treating the antitrust outcome and cloud developments as materially favorable. Sources: [https://www.reuters.com/world/google-should-appoint-antitrust-compliance-officer-us-judge-says-ad-tech-case-2026-09-16/](https://www.reuters.com/world/google-should-appoint-antitrust-compliance-officer-us-judge-says-ad-tech-case-2026-09-16/) and [https://stockanalysis.com/stocks/goog/
(6)](https://stockanalysis.com/stocks/goog/
%286%29) Confidence: 57% reflects a modest positive fundamental and event-driven edge but an important data limitation. Avoidance of an ad-tech breakup, continued AI-cloud investment and the September 17 broader technology rebound favor MILD BULLISH over one day. However, regulatory uncertainty, elevated market-rate sensitivity and the fact that my freshest independently verified GOOG quote is premarket rather than contemporaneous with the requested baseline keep confidence below 60%.
Claude Opus 5
Result: no call
View full reasoning
(1) What I found, and where: Robinhood's quote page shows GOOG priced at $343.60 with a market capitalisation of $4.15 trillion, a trailing P/E of 17.15 and a dividend yield of 0.25%, and states that during the 2026-09-17 session shares reached a high of $344.70 and a low of $337.45 on volume of 12.87 million against a 15.3 million average (robinhood.com/us/en/stocks/GOOG/). That cross-checks against Yahoo, whose history page header shows GOOG closing 16 September at $339.36, down $2.07 or 0.61%, with a pre-market print of $343.20, up $3.84 or 1.13% (finance.yahoo.com/quote/GOOG/history/). So the stock is roughly 1.25% higher today, consistent with the pre-market indication. I anchor at $343.60. CNBC's data for the A shares gives shares outstanding of 12.23 billion, a beta of 1.21, trailing EPS of $19.93, a forward P/E of 26.13 and an estimated earnings date of 27 October 2026. Investing.com puts the consensus 12-month target at $428.41 with 57 buy ratings and none to sell.
(2) Market regime: a broad post-FOMC relief rally in which quality mega-cap technology is leading. The Fed hiked 25 basis points to 3.75%-4.00% on Wednesday with a hawkish dot plot, but the two pressures that drove the week are easing, with Bloomberg reporting Treasuries paring losses and the 2-year at 4.72%, while TipRanks headlines futures rallying as oil retreats. Jobless claims fell to 196,000. What matters specifically for Alphabet is that the AI-pacing scare that began the week is being actively rebutted: TipRanks carried an item yesterday afternoon titled around Nvidia and Meta CEOs arguing against an AI slowdown. Two price-target raises landed after Wednesday's close, with Evercore ISI going to $450 from $420 and Mark Mahaney lifting his target while reaffirming Buy, both citing re-accelerating Search and AI progress. A 17 times trailing multiple on a company with a 54.77% net margin and $445.9 billion of trailing revenue is the profile that has been favoured in a higher-for-longer regime, because it needs no financing.
(3) Price range: anchored at $343.60 with a modest upside tilt. Alphabet's beta is 1.21 and today's session has already spanned $337.45 to $344.70, about 2.1% of the low, which is typical. I am using a daily sigma near 1.8%, giving about -2.2% to +2.4%, or $336.05 to $351.80. The levels: $337.45 is today's floor and Wednesday's $339.36 close sits just above it, so the low $337s is the first real test below; above, the stock has been in a correction since its 52-week high of $404.47 set in May, with the recent one-month band running roughly $327 to $351, making the low $350s the first meaningful overhead. The small upward skew reflects fresh analyst upgrades and an easing macro backdrop, not conviction about magnitude.
(4) Catalysts inside the window: one live negative and no scheduled positives. TipRanks published a piece within the last few hours headlined around Google facing new ad-tech rules after a judge ordered an antitrust monitor, which is a real, dated development inside this window and the clearest company-specific risk here. Alphabet's next earnings are 27 October, well outside a window closing at 10:36 ET Friday, and the ex-dividend date of 4 September has passed. The structural feature is Friday 18 September, quarterly triple witching, when index options, index futures and single-stock options expire alongside the quarterly rebalance; Alphabet is a large index constituent, so pinning and rebalance flows can override ordinary price discovery on that morning.
(5) Strongest counter-argument: the antitrust monitor order is not trivial. Court-appointed monitoring of the ad-tech business introduces ongoing compliance oversight and constrains the flexibility of a segment that is material to revenue, and this kind of headline has repeatedly capped Alphabet rallies over the past two years. Beyond that, roughly 1.25% of today's move printed before the window opened, so upside now requires continuation rather than the initial repricing, and the stock remains in a correction from its May high with a one-month change of about -0.3%. A close above $351 would confirm the lean; a loss of $337.45 would invalidate it.
(6) Why 53%: the anchor is solid, with Robinhood's intraday figures cross-checking cleanly against Yahoo's confirmed Wednesday close and pre-market indication, so I have real confidence in the starting point and the range. The direction is a modest lean rather than a conviction. The positives are fresh and specific, two overnight target raises and a public rebuttal of the AI-slowdown thesis, but they are offset by a same-day antitrust ruling and a triple-witching session in which mechanics frequently matter more than news. 53% is the size of the edge I actually think is there.
Muse Spark 1.1
Result: no call
View full reasoning
(1) What you found, and where: Finnhub reports GOOG Current Price $342.19 Open $345 High $345.965 Low $340.50 Previous Close $339.36 Change +2.83 +0.8339% Sep 17. Robinhood reports GOOG $343.45 market cap $4.15T P/E 17.15 yield 0.25% high $344.70 low $337.45 Sep 17 +1.8% from low -0.4% under high. Upstox reports $339.83 -1.49 -0.44% as of Sep 17 02:29 IST. MacroTrends latest close Sep 16 $339.36 all-time high $398.54 May 13 2026 52-week high $404.47 +19.2% above. Tickertape $339.33 Sep 17 1:30 AM IST.
(2) The current market regime as you read it: Post-Fed rebound. Fed 12-0 hike to 3.75-4.00% Sep 16 per Cambridge. GOOG 5-day +0.92% 1-month -0.39% 6-month +13.51% YTD +9.05% 1-year +41.76% beta 1.21 per Finnhub. 50-day $344.76 200-day $341.64 per MarketBeat Sep 12. Trading near 200-day, below 50-day. Cloud/AI narrative supports.
(3) Price range justification, with the levels and volatility you are using: Anchored to $342.19 live Sep 17 and $343.45 Robinhood. Using day range $340.50-$345.965 and $337.45-$344.70 Robinhood and $339.36 close. Beta 1.21 implies daily ~1.5% ~$5. Lower $336 near $337.45 low and -1.8% if profit taking, upper $348 +1.7% toward $344.70 high and above 50-day $344.76. Slight upside skew due to +0.83% momentum.
(4) Scheduled or likely catalysts inside the window: Window Sep 17 14:36 UTC 24h covers post-FOMC Sep 17-18. No GOOG earnings. Focus on yields and antitrust headlines. SVB Wealth filing notes 50-day $344.76 200-day $341.64 levels in play.
(5) The strongest counter-argument, and what would invalidate your call: Bear case: hawkish Warsh and rising real yields could push GOOG below $340.50 low toward $336 if ad spend concerns. Bull case: dovish hold narrative and AI monetization could squeeze to $348 above 50-day. Invalidation: close below $334 or above $350 would negate mild bullish.
(6) Why your confidence is the number it is: Confidence 53% reflects live price $342.19 dated Sep 17 after baseline with corroborating $343.45 Robinhood same day high $344.70 low $337.45 and close $339.36 Sep 16 MacroTrends, but post-hike direction noisy. Labeling live because quotes are same-day after window start.
Gemini 1.5 Pro
Result: no call
View full reasoning
(1) Data sources: I retrieved live market data via Twelve Data and financial news feeds indicating that Alphabet Class C stock (GOOG) was trading at $344.21 as of 10:36 EDT on September 17, 2026, recovering from the previous regular session close of $339.36.
(2) Market regime: The broader equity market is experiencing a post-FOMC relief rally on September 17, 2026, as initial jobless claims data eases recessionary anxieties following the Federal Reserve's 25-basis-point rate hike. Mega-cap technology equities are participating in this bounce as investors balance robust AI-driven cloud growth against higher borrowing costs.
(3) Price range justification: I project a 24-hour range of $338.00-$350.00. The lower boundary of $338.00 aligns closely with the intraday low and recent support levels established during the mid-September pullback, while the upper bound of $350.00 approaches recent resistance highs and captures the current bullish momentum of the tech-led recovery.
(4) Scheduled catalysts inside the window: With the September FOMC rate decision now concluded and initial jobless claims published, price action over the next 24 hours will be driven by institutional portfolio rebalancing, broader semiconductor/tech sentiment, and macro liquidity trends.
(5) The strongest counter-argument: The primary risk to a continued upside move is that lingering macroeconomic pressures from elevated Treasury yields could reassert themselves, capping multiple expansion for mega-cap growth stocks and triggering profit-taking below current levels.
(6) Why your confidence is the number it is: My confidence is 65%. While Alphabet benefits from solid fundamental growth drivers in its cloud and AI segments, navigating a volatile post-FOMC market environment introduces considerable intraday headline and whipsaw risks.
DeepSeek V3
Result: no call
View full reasoning
(1) What I found and where: GOOG closed at $339.36 on September 16, down 0.61% (Google Finance, stockanalysis.com). In pre-market trading on September 17, the stock climbed to $343.95, up approximately 1.35% (Google Finance, timestamped 04:09 ET). Moomoo data showed GOOG at $341.06, up 0.50%, at 09:52 ET, consistent with a gradual fade from the pre-market peak. GOOGL pre-market was quoted at $347.41, up 1.32% (Sina Finance, September 17). The broader market opened sharply higher: the Nasdaq 100 gained 1.47% and the S&P 500 rose 0.91% (TipRanks, September 17), with the 'Magnificent Seven' tech megacaps all trading higher in pre-market (East Money/China Fund News, September 17).
(2) Market regime: Cautious recovery after a hawkish Fed shock. The Fed raised rates 25bp to 3.75-4.00% on September 16, its first hike in over three years, with 16 of 18 officials projecting at least one more hike by year-end (Yahoo Finance/Zacks, September 17). The 10-year Treasury yield pushed above 5%, the dollar index rose to 100.3, and gold fell roughly 2% (Yuekai Securities, September 17). Yet the Nasdaq closed virtually unchanged, down just 0.01% (Yahoo Finance, September 17), signaling that tech investors are looking through the hike for now. Alphabet specifically has been in a corrective phase since May but is showing short-term stabilization: Katie Stockton of Fairlead Strategies noted on CNBC (September 14) that GOOGL flashed a DeMARK counter-trend buy signal, reclaimed its rising 200-day moving average near $337, and has a daily MACD buy signal. The stock rose 2.44% on September 15 to $343.63 (Kabutan, September 15).
(3) Price range justification: My anchor is the September 16 close of $339.36 and the September 17 pre-market high of $343.95. The 200-day moving average sits at $335.91 (stockanalysis.com), providing a structural floor that has held on a closing basis. The 50-day moving average is at $344.01, acting as near-term resistance that the stock is testing. Options data shows an at-the-money implied volatility of approximately 27.8% for the September 18 expiry (Yahoo Finance options chain, September 17), and the volatility risk premium is -4.9pp, meaning realized volatility (32.3%) is running above implied (27.4%) (VolRadar, September 3). A one-standard-deviation daily move of roughly 1.8% from the pre-market quote yields a range of approximately $337 to $349. I have widened this slightly to $336-$350 to account for quad-witching volatility on September 18. The range has roughly symmetric room above and below, reflecting genuine uncertainty about whether the pre-market rally holds through the session.
(4) Catalysts inside the window: The September 18 quarterly options expiration (quad witching) is the dominant scheduled event. Open interest is heavily concentrated at the $330 put strike (27,403 contracts) and the $350 call strike (13,000+ contracts) for the September 18 expiry (Yahoo Finance options chain). This creates a gravitational pull toward those levels. Separately, a US judge ordered an antitrust compliance officer for Google's ad tech business on September 16 (Marketscreener, September 17), a regulatory headwind that could weigh on sentiment. On the positive side, a syndicate of 10 banks provided $22 billion in chip-related loans to Blackstone and Alphabet's new cloud venture Crux AI (Cailianshe, September 17), a signal of continued institutional commitment to Alphabet's AI infrastructure buildout. Alphabet's next earnings report is estimated for October 28, outside the 1-day window (stockanalysis.com).
(5) Counter-argument and invalidation: The strongest bear case is that the pre-market rally is a dead-cat bounce within a damaged intermediate-term trend. Barchart's Elliott Wave analysis (September 9) warns that a five-wave top has been confirmed and a larger corrective decline may be underway, with $300 as the key support and $271 as the next downside target if that breaks. The stock remains below its 52-week high of $403.96 (stockanalysis.com) and the monthly MACD histogram is declining, reflecting a loss of long-term upside momentum (CNBC/Fairlead Strategies, September 14). A close back below the 200-day moving average at $335.91 would invalidate the short-term bullish repair and open the door to a retest of the $320-$325 zone. The Fed's hawkish guidance, with 16 of 18 officials projecting further hikes, is a structural headwind for high-multiple tech names.
(6) Confidence rationale: 56% reflects modest conviction. The pre-market bid is real, the broader tech complex is up 1%+, and Alphabet has a fresh fundamental catalyst in the Crux AI chip financing. However, GOOG has already faded from its pre-market high, the stock is testing the 50-day moving average from below, and quad-witching expirations often produce erratic intraday reversals. A single-session forecast for a mega-cap name is inherently noisy, and the options market is pricing a meaningful probability of a move in either direction. I am leaning mildly constructive on the session but do not have enough edge to express high confidence.
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