PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedCurrent implied probability
Up 93%+21.2pt
Up 93%+21.2ptMarket quality
68 / 100
Medium quality24h Volume
$10.8K
Liquidity
$19.2K
Medium liquidityBid / Ask
92.5% / 93.9%
Spread
1.4 pt
Tight spreadComments
0
Market data
Updated 20 minutes ago
Sep 29, 26, 12:01 PM UTCSep 30, 26, 8:00 PM UTC
Trends
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Minimum order (shares):
- 5
- Tick size:
- 0.1 percentage points
- Fees:
- Yes
Related Markets
Related questions for context, not a comparison of equivalent contracts.
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LimitlessNasdaq-100 price on Sep 30, 2026 at 4pm EDT?
KalshiRules
This market will resolve to "Up" if the Close price for S&P 500 (SPY) on September 30, 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 30, 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.