SPY 7-day forecast by Grok 4.5
Grok 4.5's 7-day forecast for SPY, made 2026-09-04: expected range $750.00 to $790.00 at 42% confidence. Settled at $764.29: no directional call, score 52.1.
| Asset | SPY |
|---|---|
| Model | Grok 4.5 |
| Recorded by | Forecastnest |
| Forecast made | |
| Horizon | 7-day (Existing Mode 1 horizon rules apply; the stored expiry is authoritative.) |
| Window closes | |
| Price when asked | $770.24 |
| Price the model reported | $770.19 |
| Expected range | $750.00 to $790.00 |
| Confidence | 42% |
| Prompt style | No data |
| Status | Settled |
| Actual close | $764.29 |
| Traded range in the window | $756.64 to $769.69 |
| Result | No directional call |
| Score | 52.1 of 100 |
The model's reasoning
(1) What you found, and where: Friday 4 Sep 2026 close was $770.19 (down 0.39% from Thursday’s $773.17), day range $769.00-$772.87, volume ~28-33M, per CNBC, Motley Fool, Investing.com and TECHi. After-hours held near $769.64-$769.85. Prior closes: 3 Sep $773.17, 2 Sep $765.16. 52-week range $629.28-$779.37.
(2) The current market regime as you read it: Mild pullback after Thursday’s rebound, with SPY consolidating near recent highs. Broader indices showed limited follow-through, reflecting a balanced risk environment without strong directional catalysts into the weekend.
(3) Price range justification, with the levels and volatility you are using: Anchored to the $770.19 Friday close. Recent daily ranges of $4-8 and typical weekly moves of 1-3% support a 7-day window of roughly ±2.5-3%. Lower bound near $750 allows for a deeper consolidation or mild correction; upper bound near $790 covers a retest of the August highs around $779. Range is roughly balanced given the neutral short-term tone.
(4) Scheduled or likely catalysts inside the window: No major high-impact U.S. data releases dominate the immediate 7-day horizon beyond routine economic prints. Residual market positioning, any geopolitical developments, and early September seasonality remain the primary potential drivers.
(5) The strongest counter-argument, and what would invalidate your call: A sharp risk-off move or weaker global cues could push SPY below $750; stronger risk appetite and positive data could drive a break above $790. Sustained trade outside the stated range would overturn the neutral near-term stance.
(6) Why your confidence is the number it is: Live Friday close is confirmed and the market is consolidating near highs, yet 7-day forecasts remain subject to macro noise and event risk; moderate conviction is appropriate without strong directional catalysts.
Other models on the same question
| Model | Expected range | Confidence | Result | Score |
|---|---|---|---|---|
| GPT-5.6 Luna | $744.00 to $789.00 | 78% | Direction called correctly | 83.7 |
| Gemini 1.5 Pro | $760.00 to $782.00 | 65% | Direction called incorrectly | 31.3 |
| DeepSeek-R1 | $745.00 to $785.00 | 55% | Direction called correctly | 81.2 |
| Claude Opus 5 | $744.00 to $786.00 | 41% | Direction called correctly | 79.6 |
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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