PolymarketClosedCheck availabilityNo KYC2% feeVerified resolution dataWell calibratedThis market resolved: Down
Resolved: Sep 15, 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 15, 2026, 8:16 PM UTC · policy pm-quality-3
Current implied probability
Down 100%
Market quality
44 / 100
Low quality24h Volume
$2.2K
Liquidity
$49.8K
High liquidityBid / Ask
- / 0.1%
Comments
0
Market data
Updated 1 hour ago
LaggingSep 14, 26, 8:15 PM UTCSep 15, 26, 8:00 PM UTC
Probability Timeline
Up0%
Down100%
100%
0%
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
This market will resolve to "Up" if the open price for S&P 500 (SPY) on September 15, 2026 is higher than the closing price for SPY on the most recent prior trading day.
- This market will resolve to "Down" if the open price for S&P 500 (SPY) on September 15, 2026 is lower than the closing price for 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 prices are exactly equal, this market will resolve 50-50.
- 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.
