{"$schema":"https://gamma-api.polymarket.com/schemas/Market.json","id":"5404186","question":"S&P 500 (SPX) Opens Up or Down on October 8?","conditionId":"0xbfd90dbf9aa9a58b4d779e90bebf34f1b547ba98693ff6f2d72a624a6055aff6","slug":"spx-opens-up-or-down-on-october-8-2026","resolutionSource":"https://www.wsj.com/market-data/stocks","endDate":"2026-10-08T20:00:00Z","liquidity":"48806.58392","startDate":"2026-10-07T12:01:04Z","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/s-and-p-500-1e40af6979.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/s-and-p-500-1e40af6979.png","description":"This market will resolve to \"Up\" if the official S&P 500 Index open price for S&P 500 (SPX) on October 8 is higher than the official S&P 500 Index closing price for SPX on the most recent prior trading day.\n\nThis market will resolve to \"Down\" if the official S&P 500 Index open price for S&P 500 (SPX) on October 8 is lower than the official S&P 500 Index closing price for SPX on the most recent prior trading day.\n\nE.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.\n\nIf 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.\n\nIf SPX does not trade at all during the regular session, the market will resolve 50-50.\n\nIf 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.\n\nIf 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.\n\nThe resolution source for this market is the Wall Street Journal, specifically the Open/Close values published by the WSJ under \"Historical Prices\".\n\nUS: https://www.wsj.com/market-data/stocks\nEMEA: https://www.wsj.com/market-data/stocks/emea\nASIA: https://www.wsj.com/market-data/stocks/asia","outcomes":"[\"Up\", \"Down\"]","outcomePrices":"[\"0.0005\", \"0.9995\"]","volume":"17476.147786","active":true,"closed":false,"marketMakerAddress":"","createdAt":"2026-10-07T12:00:51.257854Z","updatedAt":"2026-10-08T21:52:28.901724Z","new":false,"featured":false,"submitted_by":"0xAC9930b2AE455a671b62dE86876A7e8587825294","archived":false,"resolvedBy":"0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7","restricted":true,"questionID":"0xec8132e0ee3dc0419211f965762aa194bfad65fcd45c572892e56f101a72ee13","enableOrderBook":true,"orderPriceMinTickSize":0.001,"orderMinSize":5,"umaResolutionStatus":"proposed","volumeNum":17476.147786,"liquidityNum":48806.58392,"endDateIso":"2026-10-08","startDateIso":"2026-10-07","hasReviewedDates":true,"volume24hr":17413.147786,"volume1wk":17476.147786,"volume1mo":17476.147786,"volume1yr":17476.147786,"gameStartTime":"2026-10-07 21:00:00+00","clobTokenIds":"[\"41003979449621051630475018400129246249410633421834829790405803304451757042646\", \"39929665109410306454419715912684112608430901820873108996648789006479830919566\"]","comboStatus":"disabled","umaBond":"250","umaReward":"0.6","volume24hrClob":17413.147786,"volume1wkClob":17476.147786,"volume1moClob":17476.147786,"volume1yrClob":17476.147786,"volumeClob":17476.147786,"liquidityClob":48806.58392,"makerBaseFee":1000,"takerBaseFee":1000,"acceptingOrders":true,"negRisk":false,"ready":false,"funded":false,"acceptingOrdersTimestamp":"2026-10-07T12:01:04Z","cyom":false,"competitive":0.8003199679231757,"approved":true,"rewardsMinSize":20,"rewardsMaxSpread":4.5,"spread":0.001,"oneDayPriceChange":-0.4995,"lastTradePrice":0.001,"bestAsk":0.001,"automaticallyActive":true,"clearBookOnStart":false,"manualActivation":false,"negRiskOther":false,"umaResolutionStatuses":"[\"proposed\", \"proposed\"]","pendingDeployment":false,"deploying":false,"deployingTimestamp":"2026-10-07T12:00:51.4563Z","rfqEnabled":false,"eventStartTime":"2026-10-08T13:30:00Z","holdingRewardsEnabled":false,"feesEnabled":true,"feeType":"finance_prices_fees","feeSchedule":{"exponent":1,"rate":0.04,"takerOnly":true,"rebateRate":0.25},"version":"v1"}