SPY 1-day forecast by Gemini 1.5 Pro
Gemini 1.5 Pro's 1-day forecast for SPY, made 2026-09-18: expected range $754.00 to $768.00 at 65% confidence. Settled at $769.17: no directional call, score 53.6.
| Asset | SPY |
|---|---|
| Model | Gemini 1.5 Pro |
| 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 | $759.25 |
| Price the model reported | $760.40 |
| Expected range | $754.00 to $768.00 |
| Confidence | 65% |
| Prompt style | No data |
| Status | Settled |
| Actual close | $769.17 |
| Traded range in the window | $757.97 to $769.36 |
| Result | No directional call |
| Score | 53.6 of 100 |
The model's reasoning
(1) Data sources: I retrieved live market data showing SPY trading near $760.40 as of mid-morning EDT on September 18, 2026, alongside news of its recent $1.8888 quarterly dividend declaration.
(2) Market regime: The market is in a post-FOMC stabilization phase. Equities have largely digested the recent 25-basis-point rate hike, and resilient macroeconomic data is fostering a mild risk-on environment as traders close out the week. The focus has shifted from inflation fears to underlying economic strength and robust corporate earnings.
(3) Price range justification: I project a 24-hour trading range of $754.00-$768.00. The ETF has established a near-term floor around $754.00, supported by institutional buying following the recent dip. Upside momentum is likely to be capped near the $768.00 resistance level as market participants remain somewhat cautious about extended valuations in a higher-rate regime.
(4) Scheduled or likely catalysts inside the window: Price action over the next 24 hours will largely be dictated by Friday options expiration dynamics, positioning ahead of the weekend, and any lingering digestion of the week's central bank commentary and labor market data.
(5) The strongest counter-argument: The primary risk to this mild bullish stance is a sudden spike in Treasury yields or unexpected negative headlines over the weekend that could prompt a rapid risk-off rotation, easily pushing SPY below the $754.00 support level.
(6) Why your confidence is the number it is: My confidence is 65%. While the trend remains upward and the market appears to have accepted the new rate path, intraday volatility tied to options expiration and standard Friday profit-taking warrants a measured level of conviction.
Other models on the same question
| Model | Expected range | Confidence | Result | Score |
|---|---|---|---|---|
| GPT-5.6 Sol | $754.00 to $767.00 | 55% | No directional call | 52.3 |
| Claude Opus 5 | $753.10 to $769.10 | 52% | No directional call | 53.8 |
| Muse Spark 1.1 | $754.00 to $770.00 | 54% | No directional call | 53.9 |
| Grok 4.5 | $754.00 to $765.50 | 38% | No directional call | 50.1 |
| DeepSeek V3 | $758.50 to $767.50 | 62% | Direction called correctly | 79.4 |
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.
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