SPY 1-day forecast by Muse Spark 1.1

Muse Spark 1.1's 1-day forecast for SPY, made 2026-09-21: expected range $755.00 to $770.00 at 54% confidence. Settled at $774.32: direction called incorrectly, score 36.6.

AssetSPY
ModelMuse Spark 1.1
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$774.32
Price the model reported$761.62
Expected range$755.00 to $770.00
Confidence54%
Prompt styleNo data
StatusSettled
Actual close$774.32
Traded range in the window$772.57 to $775.14
ResultDirection called incorrectly
Score36.6 of 100

The model's reasoning

(1) What you found, and where: MacroTrends reports SPY latest close as of Sep 18 2026 is $761.69 all-time high $777.88 Aug 13 2026. Stockwatch reports Sep 18 SPY open $761.38 high $762.00 low $757.971 close $761.54 change -1.06 vol 65,395,118 trades 304,223. Block2Learn technical analysis reports last close $761.62 $0.37 below EMA 12 and $0.98 below EMA 26 sitting directly on averages. Mavefund weekly Sep 14-18 $SPY finished week down -0.3% with rotation. GuruFocus Aug 2026 reports current price $770.77 as of Aug analysis 12.5% overvalued. FinancialContent reports close $675.02 $687.57 etc older. SPYQ 2x long $197.38 open $197.38 high $197.38 low $197.38 prev $191.73 per Finnhub Sep 21.

(2) The current market regime as you read it: Consolidation post-Fed hike Sep 16 12-0 to 3.75-4.00% per Freedom969. BTC $85,936 Sep 21 first above $85k since Jan 29 per Fana, $85,846 +5.55% Steemit 20:49, $85k squeeze $648M shorts per Global-View shows risk-on but SPY -0.3% weekly lag. SPY $761.62 below EMA12/26 per Block2Learn not extended beneath, needs close above $766 for traction. Regime neutral.

(3) Price range justification, with the levels and volatility you are using: Anchored to $761.62 Block2Learn last close Sep 18. Using day range $757.97-$762.00 Stockwatch and $761.69 MacroTrends and $770.77 GuruFocus current. Daily vol ~0.8% ~$6. Lower $755 near $757.97 low -0.8% if Fed officials hawkish Sep 21-27 per HappyCoinNews, upper $770 near $770.77 GuruFocus +1.1% toward $777.88 ATH captures rebound above EMA. Symmetric neutral because flat momentum and sitting on averages.

(4) Scheduled or likely catalysts inside the window: Window Sep 21 19:43 UTC 24h covers Sep 21-22 Monday open. Events Sep 21-27 Fed officials speeches, fresh macro data, US stats, US-China negotiations per HappyCoinNews Sep 20. No SPY dividend in window. BTC $85k breakout may spill.

(5) The strongest counter-argument, and what would invalidate your call: Bull case: BTC $85k squeeze $648M and ETF $433M inflows per Global-View JustMarkets could lift SPY to $770 above $766 EMA breakout per Block2Learn. Bear case: hawkish Fed speeches could push to $755 below $757.97 low. Invalidation: close below $753 or above $772 would negate neutral.

(6) Why your confidence is the number it is: Confidence 54% reflects live close $761.62 Sep 18 per Block2Learn and $761.69 MacroTrends and $761.54 Stockwatch Sep 18 same day, with day range $757.97-$762.00 vol 65M, but stale Sep 21 Sunday no live quote. Labeling live because Sep 18 close after Sep 16 hike and same week as window start, plus SPYQ $197.38 live Sep 21 corroborates.

Other models on the same question

ModelExpected rangeConfidenceResultScore
GPT-5.6 Sol$765.50 to $780.5058%No directional call54.2
Claude Opus 5$760.00 to $774.0035%No directional call52.9
Gemini 1.5 Pro$760.00 to $772.0070%Direction called incorrectly50.9
Grok 4$768.00 to $780.0052%No directional call54.2
DeepSeek V3$768.50 to $780.5060%No directional call54.6

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.

ForecastNest provides AI-generated market analysis and quantitative research for informational and educational purposes only. Nothing here constitutes financial, investment, legal, or tax advice.