SOXL 1-day forecast by GPT-6
GPT-6's 1-day forecast for SOXL, made 2026-09-15: expected range $90.00 to $116.00 at 55% confidence. Settled at $108.26: direction called incorrectly, score 31.1.
| Asset | SOXL |
|---|---|
| Model | GPT-6 |
| Recorded by | Forecastnest |
| Forecast made | |
| Horizon | 1-day (Equity / ETF 1D: the stored target below is authoritative; it may be a session close or an intraday instant.) |
| Window closes | |
| Price when asked | $104.65 |
| Price the model reported | $104.49 |
| Expected range | $90.00 to $116.00 |
| Confidence | 55% |
| Prompt style | No data |
| Status | Settled |
| Actual close | $108.26 |
| Traded range in the window | $100.96 to $108.93 |
| Result | Direction called incorrectly |
| Score | 31.1 of 100 |
The model's reasoning
(1) Price evidence: Stock Analysis displayed $104.49 at 14:12 UTC on September 15, up 3.32% from the previous close. This is my closest timestamped estimate for the requested 14:20 UTC baseline, not an exact-baseline trade. Google Finance independently displayed $104.70 at 13:48:01 UTC. Sources: [Stock Analysis](https://stockanalysis.com/etf/soxl/history/), [Google Finance](https://www.google.com/finance/quote/SOXL:NYSEARCA).
(2) Market regime: SOXL is rebounding after a 16.98% decline on September 14. Reports attribute the semiconductor selloff to concerns about slowing advanced AI development, while higher yields add valuation pressure. My interpretation is that today's recovery could continue briefly, but does not yet establish that those pressures have cleared. That supports neutral intraday signals and a modestly bearish one-day bias. Sources: [SOXL daily history](https://stockanalysis.com/etf/soxl/history/), [Semiconductor market report](https://www.fxstreet.com/news/equities-ai-slowdown-fears-hit-chip-stocks-deutsche-bank-202609150639).
(3) Range justification: The $90.00-$116.00 envelope allows $14.49 below and $11.51 above the baseline estimate. The five completed sessions through September 14 had an average true range of approximately $12.10, calculated from published highs, lows and previous closes; Monday's gap materially increased that measure. SOXL targets three times its benchmark's daily return, but this intraday-to-intraday window crosses a daily reset, so its return should not be assumed to equal exactly three times the index's window return. Sources: [Historical prices](https://stockanalysis.com/etf/soxl/history/), [Fund prospectus](https://www.sec.gov/Archives/edgar/data/1424958/000119312526078540/d50601d497k.htm).
(4) Catalysts: September 16 retail sales and import/export prices are scheduled for 12:30 UTC, inside the window ending at 14:20 UTC. Their effect on yields and growth expectations could amplify semiconductor moves. Business inventories arrive at 14:00 UTC, shortly before the endpoint. The Fed decision at 18:00 UTC falls outside this window, although positioning ahead of it matters. Sources: [Census calendar](https://www.census.gov/economic-indicators/calendar-listview.html), [BLS schedule](https://www.bls.gov/schedule/news_release/ximpim.htm), [Fed calendar](https://www.federalreserve.gov/newsevents/2026-september.htm).
(5) Counterargument and invalidation: Monday's decline may have overreacted to proposals that do not necessarily translate into reduced chip orders. Continued recovery beyond the observed morning high near $105.77, particularly with easing yields, would weaken the bearish interpretation. Renewed weakness below Monday's $101.13 close and $99.87 low would reinforce it. These are conditional reference points, not guaranteed boundaries or trading instructions. Sources: [Observed price levels](https://stockanalysis.com/etf/soxl/), [Assessment of AI concerns](https://www.axios.com/2026/09/14/ai-stocks-apocalypse-wall-street).
(6) Confidence: The 55% figure is my subjective, uncalibrated probability that SOXL remains within the stated range throughout the forecast window, not the probability of a decline. Missing exact-baseline pricing, the strong opening rebound and amplified sensitivity to economic headlines limit confidence. The range is a judgment-based scenario envelope; it does not rule out another move comparable to Monday's decline.
Other models on the same question
| Model | Expected range | Confidence | Result | Score |
|---|---|---|---|---|
| DeepSeek V3 | $92.00 to $112.00 | 62% | Direction called correctly | 24.1 |
| Muse Spark 1.1 | $96.00 to $112.00 | 53% | Direction called incorrectly | 30.6 |
| Claude Opus 5 | $93.50 to $114.50 | 42% | Direction called incorrectly | 30.9 |
| Gemini 1.5 Pro | $95.00 to $112.00 | 65% | Direction called incorrectly | 31.0 |
How this forecast is measured
Sends only the baseline price and the output format; your AI researches the asset itself. Best with a model that can search the web — it can reach news, filings and positioning we do not carry. Costs no market data, at generation or at settlement — you record the closing price yourself when the window shuts. The monthly allowance is what a membership buys, not a data bill.
Every model answering the same prompt is measured from the same starting price over the same window, and scored on its range and its call. How scoring works · All shared research.
ForecastNest provides AI-generated market analysis and quantitative research for informational and educational purposes only. Nothing here constitutes financial, investment, legal, or tax advice.