PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedCurrent implied probability
Down 60%
Market quality
56 / 100
Medium quality24h Volume
$530.8
Liquidity
$1.6K
Low liquidityBid / Ask
40.0% / 41.0%
Spread
1.0 pt
Tight spreadComments
0
Market data
Updated 34 minutes ago
Sep 24, 26, 12:01 PM UTCSep 25, 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:
- 1 percentage points
- Fees:
- Yes
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 25, 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 25, 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.
Frequently asked questions
- What are the current odds for SPY (SPY) Up or Down on September 25??
- Polymarket prices Down at 60% as of September 25, 2026.
- When does SPY (SPY) Up or Down on September 25? resolve?
- SPY (SPY) Up or Down on September 25? is scheduled to resolve on September 25, 2026.
- How is SPY (SPY) Up or Down on September 25? settled?
- Polymarket settles this market as follows: This market will resolve to "Up" if the Close price for S&P 500 (SPY) on September 25, 2026 is higher than the Close price for S&P 500 (SPY) on the most recent prior trading day.
