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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Yes | 0% | — | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 216d | DegenEriccro | S&P 500 (SPX) Opens Up or Down on March 20? | SellDown>99¢ | $1,110 | −$1 −0.1% | — |
| 217d | Acidic-Standpoint | S&P 500 (SPX) Opens Up or Down on March 20? | SellDown>99¢ | $1,025 | −$1 −0.1% | — |
| 217d |  lemondeounada | S&P 500 (SPX) Opens Up or Down on March 20? | SellDown>99¢ | $1,203 | −$1 −0.1% | — |
| 217d | FlyingPlaty | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown>99¢ | $3,767 | +$4 +0.1% | 4 |
| 217d | vvvix | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown>99¢ | $17,730 | +$18 +0.1% | 4 |
| 217d | sdhyky | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown>99¢ | $1,500 | +$5 +0.3% | 4 |
| 217d | Lopsided-Stitcher | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown>99¢ | $1,803 | +$6 +0.3% | 4 |
| 217d |  NotMasterFan | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown100¢ | $4,975 | +$25 +0.5% | 4 |
| 217d | Ill-Fated-Reef | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown99¢ → 100¢ | $1,491 | +$9 +0.6% | 4 |
| 217d | Xgs | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown96¢ → 100¢ | $1,152 | +$48 +4.2% | 5 |
| 217d | Powerless-Diving | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown90¢ → 100¢ | $1,155 | +$128 +11% | 7 |
| 217d | Thin-Print3 fills | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown96¢ → 100¢ | $3,434 | +$139 +4.1% | 5 |
| 217d | DegenEriccro | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown95¢ → 100¢ | $1,755 | +$92 +5.3% | 5 |
| 217d | lemondeounada | S&P 500 (SPX) Opens Up or Down on March 20? | BuyDown90¢ → 100¢ | $1,088 | +$116 +11% | 7 |
| 217d | Hexagon555 | S&P 500 (SPX) Opens Up or Down on March 20? | SellDown70¢ → 100¢ | $1,342 | −$575 −43% | — |
| 217d | cryptothan | S&P 500 (SPX) Opens Up or Down on March 20? | SellDown74¢ → 100¢ | $1,929 | −$661 −34% | — |
This market will resolve to "Up" if the official S&P 500 Index open price for S&P 500 (SPX) on March 20 is higher than the official S&P 500 Index closing price for SPX on the most recent prior trading day. This market will resolve to "Down" if the official S&P 500 Index open price for S&P 500 (SPX) on March 20 is lower than the official S&P 500 Index closing price for SPX 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 prices are exactly equal, this market will resolve 50-50. Note that all figures will be rounded to the nearest cent using standard rounding. If SPX does not trade at all during the regular session, the market will resolve 50-50. If either of the relevant days are shortened (for example, due to a market holiday schedule), the official open/close price published by S&P 500 Index for that shortened session will still be used for resolution. If the previous trading day has no official closing price (for example, due to a trading halt into the market close, system issue, delisting, or other disruption), the market will use the last valid on-exchange trade price of the regular session as the effective closing price. The resolution source for this market is the Wall Street Journal, specifically the Open/Close values published by the WSJ under "Historical Prices". US: https://www.wsj.com/market-data/stocks EMEA: https://www.wsj.com/market-data/stocks/emea ASIA: https://www.wsj.com/market-data/stocks/asia
Sources: Polymarket's Gamma API, its CLOB price history and its Data API, read every two minutes. Prices are each outcome's Yes price, which is the market's probability: 0¢ for Yes means the market gives it about 0%.