SPY 1-day forecast by Gemini 1.5 Pro

Gemini 1.5 Pro's 1-day forecast for SPY, made 2026-09-23: expected range $769.00 to $781.00 at 65% confidence. Settled at $767.82: no directional call, score 53.6.

AssetSPY
ModelGemini 1.5 Pro
Recorded byForecastnest
Forecast made
Horizon1-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$768.00
Price the model reported$775.10
Expected range$769.00 to $781.00
Confidence65%
Prompt styleNo data
StatusSettled
Actual close$767.82
Traded range in the window$763.25 to $768.95
ResultNo directional call
Score53.6 of 100

The model's reasoning

(1) What you found, and where: As I cannot retrieve live market data for a future date (September 2026), my pricing is an estimated projection based on the established context of SPY trading near $773 earlier in the week, placing current estimated levels around $775.10.

(2) The current market regime as you read it: The equity market is in a digestion phase following significant tech-led rallies earlier in the week. The broader market remains structurally supported by artificial intelligence infrastructure investments and stabilizing macroeconomic conditions, though near-term momentum is cooling as investors await further economic data.

(3) Price range justification, with the levels and volatility you are using: I project a 24-hour range of $769.00-$781.00. SPY is consolidating its recent gains, establishing near-term support around the $769.00 level. The $781.00 upper bound provides sufficient room for standard intraday volatility if upside momentum resumes, representing roughly a 1% move in either direction.

(4) Scheduled or likely catalysts inside the window: Price action over the next 24 hours will likely be driven by regular late-session institutional portfolio rebalancing, overnight futures trading, and any incoming macroeconomic data points concerning inflation or consumer sentiment.

(5) The strongest counter-argument, and what would invalidate your call: The primary risk to this consolidating, mildly bullish outlook is a sudden spike in Treasury yields or a macro shock that triggers broad-based profit-taking across mega-cap tech stocks, which could quickly push SPY below the $769.00 support level.

(6) Why your confidence is the number it is: My confidence is 65%. While the overarching market trend remains constructive, the lack of real-time 2026 data necessitates a more cautious, wider-ranging forecast built on recent contextual momentum rather than live order flow.

Other models on the same question

ModelExpected rangeConfidenceResultScore
GPT-5.6 Sol$758.50 to $775.0060%Direction called incorrectly56.4
Claude Opus 5$762.00 to $778.0032%No directional call52.9
Muse Spark 1.1$764.00 to $775.0057%No directional call54.5
Grok 4$764.00 to $773.0045%No directional call54.2
DeepSeek$762.00 to $775.0055%No directional call54.2

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.