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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Yes | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 205d |  nibelung.retired6 fills | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp>99¢ | $24,975 | −$25 −0.1% | — |
| 205d | Minor-InabilityNew account | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp>99¢ | $1,171 | −$1 −0.1% | — |
| 205d | Acidic-Standpoint | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp>99¢ | $1,406 | −$1 −0.1% | — |
| 205d | wschmz | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp>99¢ | $1,006 | −$1 −0.1% | — |
| 205d |  olegs4 fills | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp>99¢ | $25,925 | +$111 +0.4% | 4 |
| 205d | RME1232 fills | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp>99¢ | $5,271 | +$10 +0.2% | 4 |
| 205d | nibelung.retired | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp>99¢ | $24,975 | +$25 +0.1% | 4 |
| 205d | Thin-Print5 fills | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp99¢ → 100¢ | $27,758 | +$277 +1.0% | 4 |
| 205d | blunderbot2 fills | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp>99¢ | $2,532 | +$11 +0.4% | 4 |
| 205d |  Michajlowski | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp99¢ → 100¢ | $1,572 | −$21 −1.3% | — |
| 205d |  ArmageddonRewardsBilly | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp93¢ → 100¢ | $3,296 | −$237 −7.2% | — |
| 205d | Whytepyro2 fills | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp92¢ → 100¢ | $6,811 | +$628 +9.2% | 6 |
| 205d | olegs | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp97¢ → 100¢ | $1,055 | −$33 −3.1% | — |
| 205d | Xgs | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp99¢ → 100¢ | $3,297 | +$33 +1.0% | 4 |
| 205d | Whytepyro | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp97¢ → 100¢ | $4,401 | −$125 −2.8% | — |
| 205d | Unfolded-KeeperNew account | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp99¢ → 100¢ | $5,990 | +$50 +0.8% | 4 |
| 205d | DegenEriccro | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp99¢ → 100¢ | $2,634 | +$27 +1.0% | 4 |
| 205d | Acidic-Standpoint | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp99¢ → 100¢ | $1,396 | +$12 +0.8% | 4 |
| 205d | MomentumB | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp99¢ → 100¢ | $1,908 | +$13 +0.7% | 4 |
| 205d |  lemondeounada | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp99¢ → 100¢ | $5,724 | −$59 −1.0% | — |
| 205d | 0xe617…f2513 fills | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp93¢ → 100¢ | $5,500 | +$401 +7.3% | 6 |
| 205d | lemondeounada | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp92¢ → 100¢ | $5,318 | +$465 +8.7% | 6 |
| 205d | Ultimatetrader69 | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp61¢ → 100¢ | $1,220 | +$780 +64% | 12 |
| 205d | Sociopathy | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp57¢ → 100¢ | $1,001 | +$746 +75% | 12 |
| 205d | cryptothan2 fills | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp53¢ → 100¢ | $2,563 | +$2,245 +88% | 12 |
| 205d | cryptothan | S&P 500 (SPX) Opens Up or Down on April 1? | SellUp56¢ → 100¢ | $1,259 | −$1,003 −80% | — |
| 205d | Rapid-Climate | S&P 500 (SPX) Opens Up or Down on April 1? | BuyDown42¢ → 0¢ | $1,050 | −$1,050 −100% | 15 |
| 205d | 223LOVE | S&P 500 (SPX) Opens Up or Down on April 1? | BuyUp67¢ → 100¢ | $1,165 | +$574 +49% | 12 |
| 205d | Partial-Cytokine | S&P 500 (SPX) Opens Up or Down on April 1? | BuyDown52¢ → 0¢ | $1,000 | −$1,000 −100% | 12 |
This market will resolve to "Up" if the official S&P 500 Index open price for S&P 500 (SPX) on April 1 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 April 1 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: 100¢ for Yes means the market gives it about 100%.