This is ForecastNest’s 1 day forecast for SOXL, created 2026-09-22 14:56 UTC. The window closed 2026-09-23 14:56 UTC, when SOXL closed at $145.08, down 0.5% from $145.80 when the forecast was made. It traded between $139.58 and $152.64 along the way (-4.3% to +4.7%).
Prediction window: Equity / ETF 1D: the stored target below is authoritative; it may be a session close or an intraday instant.
Prediction time: 2026-09-22 14:56 UTC (9/22/2026, 10:56:32 AM EDT).
Valid until: 2026-09-23 14:56 UTC (9/23/2026, 10:56:32 AM EDT). Target session: 2026-09-23 (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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5 of the 6 models called a direction, and 1 of those calls were right. 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. All models except Claude Opus 5 and Claude Sonnet 4.5 found it accurately.
Below are the details.
| Model | Range | Move | Confidence | Price it found | Score | Result |
|---|---|---|---|---|---|---|
| GPT-5.6 Sol | $135.00–$156.00 | -6.7% to +7.8% | 55% | $144.70 | 33.9 | wrong |
| Claude Opus 5 | $116.00–$137.00 | -9.4% to +7.0% | 20% | $128.00 | 6.0 | wrong |
| Muse Spark 1.1 | $138.00–$152.00 | -5.4% to +4.2% | 58% | $145.83 | 80.7 | right |
| Gemini 1.5 Pro | $138.00–$154.00 | -5.3% to +5.7% | 60% | $145.68 | 30.4 | wrong |
| Grok 4.5 | $138.00–$155.00 | -5.2% to +6.5% | 48% | $145.50 | 39.7 | wrong |
| Claude Sonnet 4.5 | $138.00–$150.00 | -4.2% to +4.2% | 50% | $144.00 | 42.0 | no call |
How these models have done on SOXL over 1 day
This forecast is settled and is included in the statistics below. The remaining records are forecasts created before 2026-09-22 14:56 UTC. Only settled directional calls count toward accuracy.
| Model | Asked | Still open | No call | Called up | Called down | Right |
|---|---|---|---|---|---|---|
| Claude Sonnet 4.5 | 2 | — | 1 | 1 · 1 right | — | 100% (1/1) |
| Gemini 1.5 Pro (Gemini — Flash) | 1 | — | 0 | 1 · 1 right | — | 100% (1/1) |
| Gemini 1.5 Pro (Gemini — Pro) | 15 | — | 3 | 6 · 5 right | 6 · 1 right | 50% (6/12) |
| Grok 4.5 | 12 | — | 0 | 8 · 6 right | 4 · 0 right | 50% (6/12) |
| DeepSeek V3 | 14 | — | 2 | 7 · 5 right | 5 · 1 right | 50% (6/12) |
| GPT-5.6 Sol | 12 | — | 2 | 6 · 3 right | 4 · 1 right | 40% (4/10) |
| Muse Spark 1.1 | 8 | — | 1 | 1 · 1 right | 6 · 1 right | 29% (2/7) |
| Claude Opus 5 | 14 | — | 1 | — | 13 · 1 right | 8% (1/13) |
| GPT-6 | 3 | — | 0 | — | 3 · 0 right | 0% (0/3) |
| GPT-5.6 Luna | 1 | — | 0 | — | 1 · 0 right | 0% (0/1) |
Every published SOXL forecast over 1 day before this question was asked, on 2026-09-22 14:56 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: wrong
View full reasoning
(1) What I found: The freshest timestamped SOXL trade I could verify was $144.6999 at 7:59 PM EDT on September 21, after the ETF had closed the regular session near $142.05 following a 14.86% gain. I could not verify a September 22 intraday SOXL trade close enough to the requested 14:56 UTC baseline, so I use the latest confirmed traded price rather than inventing a current quote and classify data_access as partial. Sources: https://www.benzinga.com/quote/soxl and https://chartexchange.com/symbol/nyse-soxl/historical/
(2) Market regime: Semiconductor sentiment remains constructive after Monday's powerful rebound. Reuters reported that the PHLX Semiconductor Index jumped 4.3% on September 21 and reached its highest level in more than a month on September 22 as AI enthusiasm continued, while the Nasdaq reached another intraday record. Falling crude oil prices and a U.S. 10-year Treasury yield around 4.93% are supportive for high-beta growth shares. Sources: https://www.reuters.com/business/wall-st-futures-rise-ai-stocks-gain-oil-prices-slide-2026-09-21/ and https://www.reuters.com/business/snapshot-nasdaq-hits-intraday-record-high-tech-stocks-regain-footing-2026-09-22/
(3) Price range: I use $135.00-$156.00 for the next 24 hours. SOXL is a 3x daily leveraged semiconductor ETF and recently moved from $101.13 on September 14 to about $142 on September 21, including gains of 10.44% on September 17, 7.71% on September 18 and 14.86% on September 21. That realized volatility supports a very wide one-day range. The lower bound permits meaningful profit-taking after the rapid rebound, while the upper bound allows another strong semiconductor session without assuming a return to the much higher June levels. Sources: https://chartexchange.com/symbol/nyse-soxl/historical/ and https://www.direxion.com/product/daily-semiconductor-bull-bear-3x-etfs
(4) Catalysts inside the window: The principal positive catalyst remains renewed confidence in AI infrastructure demand. Reuters reported exceptionally strong South Korean semiconductor exports, continued enthusiasm around AMD, Intel and Arm, and broad global demand for AI compute. Lower oil prices are easing inflation concerns and Treasury yields have retreated, both favorable to semiconductor valuations. The upcoming Trump-Xi discussions create an important opposing catalyst because AI technology, semiconductor access and separate U.S.-China supply chains remain central issues. Sources: https://www.reuters.com/commentary/reuters-open-interest/global-markets-view-usa-2026-09-22/, https://www.reuters.com/world/china/global-markets-wrapup-1-2026-09-22/ and https://www.reuters.com/business/retail-consumer/trump-xi-meet-investors-play-both-sides-ai-divide-2026-09-22/
(5) Strongest counter-argument: The bearish case is extension. SOXL gained roughly 40% from its September 14 close through September 21 in only five trading sessions, so even a modest reversal in underlying semiconductor shares can translate into a large leveraged decline. Federal Reserve officials continue to signal that persistent inflation may require additional tightening, and investors are becoming more selective about the enormous financing requirements associated with AI infrastructure. A return toward the mid-$130s would be consistent with ordinary leveraged mean reversion rather than necessarily signaling the end of the broader semiconductor recovery. Sources: https://chartexchange.com/symbol/nyse-soxl/historical/, https://www.reuters.com/world/china/global-markets-wrapup-1-2026-09-22/ and https://www.reuters.com/legal/transactional/corporate-bond-buyers-get-picky-with-flood-ai-debt-2026-09-22/
(6) Confidence: 55% reflects a modest bullish edge but substantial uncertainty. Semiconductor breadth, AI-demand enthusiasm, lower oil and easing Treasury yields support MILD BULLISH over four hours and one day. Confidence is restrained because SOXL's recent advance is exceptionally extended, 3x leverage amplifies any reversal, and I could not retrieve a timestamped September 22 SOXL trade near the requested baseline.
Claude Opus 5
Result: wrong
View full reasoning
(1) What I found: I could not retrieve a SOXL quote for Tuesday, September 22, 2026, nor a confirmed Monday close. Investing.com's page (dated September 21) shows $123.67 as both current price and previous close, a day range of $116.68-$123.90, a pre-market print of $132.50 and an after-hours print of $129.67; these fields appear to mix Friday and Monday data. Monday was a strong chip day (Nvidia +2.19% per Vittarthi; the S&P 500 and Nasdaq 100 posted their best days since early August per Bloomberg), which suggests SOXL closed Monday well above $123.67, plausibly in the low-to-mid $130s. On Tuesday, TheStreet Pro describes a broad semiconductor sell-off. $128 is my estimate of where SOXL sits at the 14:56 UTC window start, assuming a Monday close near $132-$134 and an early Tuesday decline of roughly 3%-5%; it is not a live price. I have no reliable clock, so answered_at_utc is 'unknown'.
(2) Market regime: The AI/semiconductor trade just reversed from rally to sell-off. TheStreet Pro attributes Tuesday's semiconductor weakness to calls from major AI industry leaders for a deliberate slowdown in frontier model development, raising doubts about AI capex sustainability, plus Citigroup moving to a neutral stance on equity risk for chipmakers. Meanwhile, money is rotating into small caps (IWM +1.04% at the open per StockMarketWatch). SOXL remains far below its $302 52-week high, and StockInvest.us rated it a Strong Sell candidate on technicals in early September.
(3) Price range: With implied volatility previously reported above 100% (Barchart, August), a one-day one-sigma move for SOXL is roughly 6%-8%, or about $8-$10 from $128. I set $116-$137 with slightly more room below than above, reflecting the fresh negative narrative. The lower bound sits near Friday's reported $116.68 low; the upper bound allows a rebound toward Monday's estimated close area.
(4) Catalysts in the window: More commentary on the AI-slowdown theme, FOMC speakers on Tuesday (SPYOptionsActionableLevels), flash PMIs and Meta Connect on September 23 (StockMarketWatch digest; Meta's AI-capex tone matters for chip demand), and positioning ahead of the Trump-Xi summit on September 24, which carries export-control risk in both directions.
(5) Counter-argument: 'AI slowdown' headlines have repeatedly produced short, sharp dips that dip-buyers reversed within a day or two; if Nvidia and large-cap semis stabilise, 3x leverage would amplify a rebound toward the upper $130s. Positive summit headlines or strong AI-capex commentary at Meta Connect would also invalidate the bearish tilt. A recovery above roughly $134 would negate the call.
(6) Confidence: 20% reflects an unverified price anchor built from inconsistent data, extreme leveraged volatility, and a narrative-driven sell-off that could fade quickly; the bearish lean is mild for these reasons.
Muse Spark 1.1
Result: right
View full reasoning
(1) What you found, and where: Finnhub reports SOXL Current $145.8299 Open $137.67 High $148.705 Low $137.46 Previous Close $141.93 5D +44.2% 1M +20.92% 6M +185.16% YTD +246.97% 1Y +323.55% beta 5.92. StockInvest reports $141.93 +18.26 +14.77% at close Sep 21 volatile ride $129.62-$144.00 buy candidate Sep 21. Earlier Finnhub Sep 22 $146.12 open $137.67 high $146.96 low $137.46 prev $141.93 5D +44.49% 1M +21.16% 6M +185.73% YTD +247.66% 1Y +324.4% beta 5.92 same day. NVDA $228.1475 +0.3375% open $226.85 high $229.6 low $226.5 prev $227.38 5D +8.15% per Finnhub Sep 22, GOOG $356.305 +1.549% per Finnhub Sep 22, MSFT $498.78 -0.56% per Finnhub Sep 22. Barchart SPY $765.16 +0.44% Sep 22.
(2) The current market regime as you read it: Explosive semis continuation. From $141.93 Sep 21 close to $145.83 Sep 22 +2.7% high $148.705 above $144 Sep 21 high. 5-day +44.2% vs SPY +0.44% per Barchart Sep 22 shows massive outperformance. NVDA $228.14 high $229.6 low $226.5 supports 3x, BTC $85,896 Sep 22 +0.17% high $87,395 low $85,114 5D +11.82% per Finnhub risk-on. Regime bullish with beta 5.92 amplifying.
(3) Price range justification, with the levels and volatility you are using: Anchored to $145.8299 Finnhub current Sep 22 same window 14:56 UTC. Using day $137.46-$148.705 Finnhub and $129.62-$144 StockInvest Sep 21 and $146.12 earlier Finnhub high $146.96 low $137.46. Daily vol triple ~5% ~$7. Lower $138 -5.3% near $137.46 low and $137.67 open if profit taking, upper $152 +4.2% toward $154.12 last week high per Webull $142.80 to $144.95 high $154.12 extension above $148.705 high captures momentum. Slight upside skew due to +44.2% 5D and +2.7% intraday.
(4) Scheduled or likely catalysts inside the window: Window Sep 22 14:56 UTC 24h to Sep 23 14:56 covers Sep 22 close and Sep 23 open. Fed speeches Sep 21-27 per HappyCoinNews, US-China talks, Micron earnings, NVDA $228 momentum, SPY $765.16 +0.44% per Barchart. No SOXL dividend in window.
(5) The strongest counter-argument, and what would invalidate your call: Bear case: +44.2% 5D +246% YTD overbought high $148.705 could retrace to $137.46 low $138 if NVDA $228 fades to $226.5 low. Bull case: above $148.705 high to $152 if NVDA $229.6 breakout and BTC $87k holds. Invalidation: close below $135 or above $155 would negate mild bullish.
(6) Why your confidence is the number it is: Confidence 58% reflects live $145.8299 open $137.67 high $148.705 low $137.46 prev $141.93 Sep 22 same day as window start 14:56 UTC, plus earlier Finnhub $146.12 open $137.67 high $146.96 low $137.46 same day, plus StockInvest $141.93 +14.77% Sep 21 close range $129.62-$144.00. Multiple same-day live sources after baseline. Labeling live because quotes dated Sep 22 at or after window start.
Gemini 1.5 Pro
Result: wrong
View full reasoning
(1) What you found, and where: I retrieved live market data indicating that Direxion Daily Semiconductor Bull 3X Shares (SOXL) was trading near $145.68 as of 10:56 AM EDT on September 22, 2026, utilizing NYSE Arca intraday pricing data.
(2) The current market regime as you read it: The equity market remains in a strong, momentum-driven risk-on phase. Following recent interest rate adjustments, institutional capital continues to rotate aggressively into semiconductor and artificial intelligence hardware leaders, pushing the underlying ICE Semiconductor Index higher and massively amplifying the upside for triple-leveraged vehicles like SOXL.
(3) Price range justification, with the levels and volatility you are using: I project a 24-hour range of $138.00-$154.00. Given the 3x leverage factor, SOXL is experiencing high intraday velocity. The $138.00 lower bound provides a necessary cushion for normal mean-reversion and standard profit-taking, while the $154.00 upper bound leaves room for continued upside if the semiconductor rally accelerates into Wednesday.
(4) Scheduled or likely catalysts inside the window: Price action over the next 24 hours will be dictated by momentum-chasing algorithms, overnight trading patterns in Asian semiconductor markets, and broader tech sector portfolio rebalancing following the recent surge.
(5) The strongest counter-argument, and what would invalidate your call: The primary risk to holding a leveraged ETF during a sharp run-up is rapid mean-reversion. If the broader tech market stalls or if negative macro headlines suddenly surface, SOXL's 3x leverage will cause a severe downward cascade, swiftly breaking below the $138.00 support level.
(6) Why your confidence is the number it is: My confidence is 60%. While the underlying sector momentum is undeniably bullish, the extreme volatility and beta decay associated with triple-leveraged ETFs make narrow, short-term directional forecasting highly uncertain.
Grok 4.5
Result: wrong
View full reasoning
(1) What you found: Live data from FT.com, ChartExchange, StockScan and Investing.com show SOXL trading near $144-$147 on 22 September 2026 after a +14.8 percent surge on 21 September that closed at $141.93. Intraday range has extended from roughly $137.50 to $148.70 on elevated volume.
(2) Market regime: Strong short-term momentum driven by semiconductor strength. The prior session’s large gain has left the 3x leveraged ETF extended but still within a multi-day uptrend that recovered from mid-September lows near $100-$105.
(3) Price range: The $138-$155 band accounts for the elevated daily volatility typical of SOXL (often 5-10 percent moves). More room is left to the downside for a possible mean-reversion pullback while allowing continuation toward the recent intraday high zone.
(4) Catalysts: No major semiconductor-specific events identified inside the next 24 hours; price action is expected to track residual momentum from the prior semiconductor-led advance and broader equity risk tone.
(5) Counter-argument: A sharp reversal below $140 on rising volume would signal exhaustion after the multi-day rally and open the door to a deeper retracement toward the $130-$135 area, invalidating the bullish short-term bias.
(6) Confidence: 48 percent reflects the high leverage-induced volatility of SOXL, the short one-day horizon, and the risk of rapid mean reversion after a large prior-session gain.
Claude Sonnet 4.5
Result: no call
View full reasoning
(1) What I found: SOXL closed at $141.93 on Sept 21, surging 14.77% as the Philadelphia Semiconductor Index (SOX) jumped 4.29% to 12,433.17 (FN News, 2026-09-22). AMD soared 9.95% to $615.52, crossing a $1 trillion market cap, while Intel surged 12.14% and Nvidia gained 2.30% (FN News). Pre-market indications on Sept 22 showed SOXL trading around $144-$146, up another 2-3% (Moomoo, 2026-09-22). I could not retrieve a quote precisely at 14:56 UTC, so I am anchoring to the pre-market range.
(2) Market regime: A powerful risk-on rally driven by AI-infrastructure semiconductor names. The Nasdaq hit an all-time high on Sept 21, and the SOX index posted its best single-day gain in months (FN News). Momentum is clearly bullish, but SOXL is a 3x leveraged ETF, so daily moves are amplified and subject to severe volatility decay over multi-day holding periods.
(3) Price range justification: With SOXL at roughly $144, a 3x leveraged ETF tracking the SOX index, a 2% move in the underlying index implies a 6% move in SOXL. Recent daily ranges have been extreme: SOXL fell 8.03% to $115.76 just days before this rally (Investing.com Canada). Given the current momentum, I expect a range of $138-$150 for the session - wider below than above because leveraged ETFs can give back gains quickly if the underlying index stalls. Key reference levels: $141.93 is the prior close and immediate support; $150 is a round-number resistance and roughly 4% above the pre-market level.
(4) Catalysts: No major semiconductor earnings are scheduled for Sept 22. The rally is being driven by sector momentum and AI-related enthusiasm, including ARM Holdings unveiling new data-center designs and surging 17% (TTM Financial, 2026-09-22). Traders will watch whether the SOX index can hold above 12,400. Any hawkish Fed commentary could quickly cool the risk-on mood, given the Fed hiked rates to 3.75%-4.00% on Sept 16 (Investing.com).
(5) Counter-argument: The strongest bear case is that this is a one-day leveraged momentum spike that reverses sharply. SOXL has already shown extreme volatility, dropping from $141 to $115 in a single session earlier in September. If the SOX index fails to hold its gains, SOXL could easily retrace toward $130 or lower. A break below $138 would invalidate the bullish tilt and open the door to $125-$130. Leveraged ETF decay also means that even a flat underlying index erodes SOXL’s value over time.
(6) Confidence: 50% - moderate-low. The momentum is undeniably strong, but SOXL’s 3x leverage makes single-day forecasting exceptionally difficult. A 2% reversal in the SOX index would wipe out roughly 6% in SOXL, and the ETF’s history shows it can move 10%+ in either direction on any given day. I am splitting the difference between the powerful trend and the inherent fragility of a leveraged product.
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