PolymarketClosedCheck availabilityNo KYCVerified resolution dataWell calibratedThis market resolved: Down
Resolved: Sep 24, 2026, 8:19 PM
Provider-verified resolution
CoinRithm has provider-backed winner and settlement-time evidence for this market.
Data quality warningStale data
Data as of Sep 25, 2026, 12:16 AM UTC · policy pm-quality-3
Probability Timeline
Up0%
Down100%
Won
Before close: 100% ·
Lost
Before close: 0% ·
Related Markets
Related questions for context, not a comparison of equivalent contracts.
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PolymarketRules
This market will resolve to "Up" if the Close price for S&P 500 (SPY) on September 24, 2026 is higher than the Close price for S&P 500 (SPY) on the most recent prior trading day.
- This market will resolve to "Down" if the Close price for S&P 500 (SPY) on September 24, 2026 is lower than the Close price for S&P 500 (SPY) on the most recent prior trading day.
- E.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursday, or the next most recent trading day.
- If the two specified closing prices are exactly equal, this market will resolve 50-50.
- Closing prices will be used exactly as published by Pyth, without rounding.
- If S&P 500 (SPY) does not trade at all during the regular session, the market will resolve 50-50.
