
Prediction market · Polymarket
This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the "Which party will win the Senate in 2026?" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced over the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”. A tie in the number of minutes will not suffice. The resolution source will be the underlying minute-level price data for 'Republican Party' in the "Which party will win the Senate in 2026?" market, which can be viewed using the bar chart on XXX or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data. Note: This market will resolve according to the price scoring methodology of derivative.polymarket.com.
Ticker
republican-2026-senate-odds-hit-by-march-31
Volume
527.8K
1w volume
15.9K
Open interest
58.4K
Liquidity
—
Start
Dec 5, 2025
End
Mar 31, 2026
Status
Closed
Access
Restricted
Created
Dec 5, 2025
Event ID
96756
Slug
republican-2026-senate-odds-hit-by-march-31
Markets
8
{
"id": "96756",
"ticker": "republican-2026-senate-odds-hit-by-march-31",
"slug": "republican-2026-senate-odds-hit-by-march-31",
"title": "Republican 2026 Senate odds hit___ by March 31?",
"description": "This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced over the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”.\n\nA tie in the number of minutes will not suffice.\n\nThe resolution source will be the underlying minute-level price data for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market, which can be viewed using the bar chart on XXX or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.\n\nNote: This market will resolve according to the price scoring methodology of derivative.polymarket.com.",
"resolutionSource": "",
"startDate": "2025-12-05T21:02:19.819634Z",
"creationDate": "2025-12-05T21:02:19.819629Z",
"endDate": "2026-03-31T00:00:00Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"active": true,
"closed": true,
"archived": false,
"new": false,
"featured": false,
"restricted": true,
"volume": 527830.3375279997,
"openInterest": 58434.133624999995,
"createdAt": "2025-12-03T23:30:57.583479Z",
"updatedAt": "2026-08-13T08:36:02.603683Z",
"volume1wk": 15871.305824,
"volume1mo": 19410.798286,
"volume1yr": 22735.365732,
"parentEventId": 32224,
"enableOrderBook": true,
"negRisk": false,
"commentCount": 0,
"markets": [
{
"id": "814119",
"question": "2026 U.S. Senate Election: Republican Odds over 90% by March 31?",
"conditionId": "0x031adc15946f732bff2cdc6ca96638fa44c53b823539ae8bb54bd8456d1c71da",
"slug": "2026-us-senate-election-republican-odds-over-90-by-march-31",
"resolutionSource": "",
"endDate": "2026-03-31T00:00:00Z",
"startDate": "2025-12-05T21:01:42.060745Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"description": "This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced over the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”.\n\nA tie in the number of minutes will not suffice.\n\nThe resolution source will be the underlying minute-level price data for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-senate-election-republican-odds-over-90-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.\n\nNote: This market will resolve according to the price scoring methodology of derivative.polymarket.com.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"0\", \"1\"]",
"volume": "9068.143736000002",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2025-12-03T23:30:58.344005Z",
"updatedAt": "2026-04-01T22:36:51.88078Z",
"closedTime": "2026-04-01 06:36:13+00",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "↑ 90%",
"groupItemThreshold": "0",
"questionID": "0x72e14a47d22a6400fff485c7b918918ca96b08e7c6a4ebdfae30ef4f6900c037",
"umaEndDate": "2026-04-01T06:36:13Z",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.001,
"orderMinSize": 5,
"umaResolutionStatus": "resolved",
"volumeNum": 9068.143736000002,
"endDateIso": "2026-03-31",
"startDateIso": "2025-12-05",
"hasReviewedDates": true,
"clobTokenIds": "[\"8973267347387477513864526989665460829234702586249156770766303346166298112485\", \"70482961803738935937324403919624652878920396479075875649511703762443667609042\"]",
"comboStatus": "disabled",
"umaBond": "500",
"umaReward": "5",
"volumeClob": 9068.143736000002,
"customLiveness": 0,
"acceptingOrders": false,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2025-12-05T21:01:19Z",
"cyom": false,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 20,
"rewardsMaxSpread": 3.5,
"spread": 0.001,
"automaticallyResolved": true,
"oneDayPriceChange": -0.038,
"oneHourPriceChange": -0.0015,
"oneWeekPriceChange": -0.051,
"oneMonthPriceChange": -0.0135,
"lastTradePrice": 0.001,
"bestAsk": 0.001,
"automaticallyActive": true,
"clearBookOnStart": true,
"seriesColor": "",
"showGmpSeries": false,
"showGmpOutcome": false,
"manualActivation": false,
"negRiskOther": false,
"umaResolutionStatuses": "[\"proposed\"]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2025-12-05T21:00:47.725388Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null,
"version": "v1"
},
{
"id": "814120",
"question": "2026 U.S. Senate Election: Republican Odds over 80% by March 31?",
"conditionId": "0xddd7f858348a7340427ee3426e5e837701a9d409645e7f84f8885bf0ba24881c",
"slug": "2026-us-senate-election-republican-odds-over-80-by-march-31",
"resolutionSource": "",
"endDate": "2026-03-31T00:00:00Z",
"startDate": "2025-12-05T21:01:42.820309Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"description": "This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced over the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”.\n\nA tie in the number of minutes will not suffice.\n\nThe resolution source will be the underlying minute-level price data for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-senate-election-republican-odds-over-80-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.\n\nNote: This market will resolve according to the price scoring methodology of derivative.polymarket.com.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"0\", \"1\"]",
"volume": "73574.21081299998",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2025-12-03T23:30:58.843442Z",
"updatedAt": "2026-04-01T22:36:48.619945Z",
"closedTime": "2026-04-01 06:36:13+00",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "↑ 80%",
"groupItemThreshold": "1",
"questionID": "0x8ec3de158799cf3a93586a7a6cac16771f39cf33c3ee2fbe9ad282c2a017d07f",
"umaEndDate": "2026-04-01T06:36:13Z",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.001,
"orderMinSize": 5,
"umaResolutionStatus": "resolved",
"volumeNum": 73574.21081299998,
"endDateIso": "2026-03-31",
"startDateIso": "2025-12-05",
"hasReviewedDates": true,
"clobTokenIds": "[\"6049928673355434720113164721866330754070245336757278752814734016380817547183\", \"110538153469331027085061424873023702934172397860823108508742910482448655120448\"]",
"comboStatus": "disabled",
"umaBond": "500",
"umaReward": "5",
"volumeClob": 73574.21081299998,
"customLiveness": 0,
"acceptingOrders": false,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2025-12-05T21:01:19Z",
"cyom": false,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 20,
"rewardsMaxSpread": 3.5,
"spread": 0.001,
"automaticallyResolved": true,
"oneWeekPriceChange": -0.0055,
"oneMonthPriceChange": -0.0015,
"lastTradePrice": 0.007,
"bestAsk": 0.001,
"automaticallyActive": true,
"clearBookOnStart": true,
"seriesColor": "",
"showGmpSeries": false,
"showGmpOutcome": false,
"manualActivation": false,
"negRiskOther": false,
"umaResolutionStatuses": "[\"proposed\"]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2025-12-05T21:00:47.73791Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null,
"version": "v1"
},
{
"id": "814121",
"question": "2026 U.S. Senate Election: Republican Odds over 75% by March 31?",
"conditionId": "0x68be0d7c6951c52f16f38c79e897bd557af688b352dd3c4c86750329e78451d9",
"slug": "2026-us-senate-election-republican-odds-over-75-by-march-31",
"resolutionSource": "",
"endDate": "2026-03-31T00:00:00Z",
"startDate": "2025-12-05T21:01:39.297561Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"description": "This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced over the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”.\n\nA tie in the number of minutes will not suffice.\n\nThe resolution source will be the underlying minute-level price data for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-senate-election-republican-odds-over-75-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.\n\nNote: This market will resolve according to the price scoring methodology of derivative.polymarket.com.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"0\", \"1\"]",
"volume": "115051.41875399987",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2025-12-03T23:30:59.31091Z",
"updatedAt": "2026-04-02T06:14:09.393337Z",
"closedTime": "2026-04-01 06:36:17+00",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "↑ 75%",
"groupItemThreshold": "2",
"questionID": "0xcdee98f9efe5e7a62b058eca13a4d8cc50baa546c4de88a35d21a2290aa50377",
"umaEndDate": "2026-04-01T06:36:17Z",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.001,
"orderMinSize": 5,
"umaResolutionStatus": "resolved",
"volumeNum": 115051.41875399987,
"endDateIso": "2026-03-31",
"startDateIso": "2025-12-05",
"hasReviewedDates": true,
"clobTokenIds": "[\"29064108665220590056264207162732731760421779932095803985411080324504405068793\", \"67464920332276880176090383656255891836309751943070861720875376503153600507709\"]",
"comboStatus": "disabled",
"umaBond": "500",
"umaReward": "5",
"volumeClob": 115051.41875399987,
"customLiveness": 0,
"acceptingOrders": false,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2025-12-05T21:01:17Z",
"cyom": false,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 20,
"rewardsMaxSpread": 3.5,
"spread": 0.001,
"automaticallyResolved": true,
"oneDayPriceChange": -0.0045,
"oneWeekPriceChange": -0.0045,
"oneMonthPriceChange": -0.0395,
"lastTradePrice": 0.002,
"bestAsk": 0.001,
"automaticallyActive": true,
"clearBookOnStart": true,
"seriesColor": "",
"showGmpSeries": false,
"showGmpOutcome": false,
"manualActivation": false,
"negRiskOther": false,
"umaResolutionStatuses": "[\"proposed\"]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2025-12-05T21:00:47.723161Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null,
"version": "v1"
},
{
"id": "814122",
"question": "2026 U.S. Senate Election: Republican Odds over 70% by March 31?",
"conditionId": "0x0cb645fa40810621d7baea18d19f84706c245ffdf2e8fde8952cefa167e78488",
"slug": "2026-us-senate-election-republican-odds-over-70-by-march-31",
"resolutionSource": "",
"endDate": "2026-03-31T00:00:00Z",
"startDate": "2025-12-05T21:01:43.072607Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"description": "This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced over the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”.\n\nA tie in the number of minutes will not suffice.\n\nThe resolution source will be the underlying minute-level price data for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-senate-election-republican-odds-over-70-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.\n\nNote: This market will resolve according to the price scoring methodology of derivative.polymarket.com.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"0\", \"1\"]",
"volume": "25750.965949999998",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2025-12-03T23:30:59.762638Z",
"updatedAt": "2026-04-02T02:43:53.436491Z",
"closedTime": "2026-04-01 06:37:19+00",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "↑ 70%",
"groupItemThreshold": "3",
"questionID": "0xacc73fd47ee747fcf34db2cb62a8775c41fbb06c8d4cbefcab7f7ff5603721b8",
"umaEndDate": "2026-04-01T06:37:19Z",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.001,
"orderMinSize": 5,
"umaResolutionStatus": "resolved",
"volumeNum": 25750.965949999998,
"endDateIso": "2026-03-31",
"startDateIso": "2025-12-05",
"hasReviewedDates": true,
"clobTokenIds": "[\"26212739217975787998493124025530296738122035658503102801688395774045292702846\", \"5618791589864534191507331249160211935885479352794694057543222192767263154958\"]",
"comboStatus": "disabled",
"umaBond": "500",
"umaReward": "5",
"volumeClob": 25750.965949999998,
"customLiveness": 0,
"acceptingOrders": false,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2025-12-05T21:01:19Z",
"cyom": false,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 20,
"rewardsMaxSpread": 3.5,
"spread": 0.001,
"automaticallyResolved": true,
"oneWeekPriceChange": -0.025,
"oneMonthPriceChange": -0.17,
"lastTradePrice": 0.002,
"bestAsk": 0.001,
"automaticallyActive": true,
"clearBookOnStart": true,
"seriesColor": "",
"showGmpSeries": false,
"showGmpOutcome": false,
"manualActivation": false,
"negRiskOther": false,
"umaResolutionStatuses": "[\"proposed\"]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2025-12-05T21:00:47.732652Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null,
"version": "v1"
},
{
"id": "814123",
"question": "2026 U.S. Senate Election: Republican Odds under 60% by March 31?",
"conditionId": "0x2de71aa9bf166988ce47275eb0ab569e1a497fb402ba1985ab5d3892c2ee49a5",
"slug": "2026-us-senate-election-republican-odds-under-60-by-march-31",
"resolutionSource": "",
"endDate": "2026-03-31T00:00:00Z",
"startDate": "2025-12-05T21:01:42.566689Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"description": "This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced under the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”.\n\nA tie in the number of minutes will not suffice.\n\nThe resolution source will be the underlying minute-level price data for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-senate-election-republican-odds-under-60-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.\n\nNote: This market will resolve according to the price scoring methodology of derivative.polymarket.com.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"1\", \"0\"]",
"volume": "22735.365732",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2025-12-03T23:31:00.212858Z",
"updatedAt": "2026-03-09T22:54:40.78058Z",
"closedTime": "2026-02-18 00:26:59+00",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "↓ 60%",
"groupItemThreshold": "4",
"questionID": "0x6a4f90fb9be42a6a9f7b5f998f9cb4b50ba14cfcc70d8161b435ecf99d9aa15c",
"umaEndDate": "2026-02-18T00:26:59Z",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.001,
"orderMinSize": 5,
"umaResolutionStatus": "resolved",
"volumeNum": 22735.365732,
"endDateIso": "2026-03-31",
"startDateIso": "2025-12-05",
"hasReviewedDates": true,
"volume1wk": 15871.305824,
"volume1mo": 19410.798286,
"volume1yr": 22735.365732,
"clobTokenIds": "[\"43108861151859336572628665952393532275220381288102455094871991495453014292681\", \"10840815099630792122244760162712954856181176560138571782309705383192532029466\"]",
"comboStatus": "disabled",
"umaBond": "500",
"umaReward": "5",
"volume1wkClob": 15871.305824,
"volume1moClob": 19410.798286,
"volume1yrClob": 22735.365732,
"volumeClob": 22735.365732,
"customLiveness": 0,
"acceptingOrders": false,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2025-12-05T21:01:19Z",
"cyom": false,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 20,
"rewardsMaxSpread": 3.5,
"spread": 0.001,
"automaticallyResolved": true,
"oneDayPriceChange": 0.2295,
"oneWeekPriceChange": 0.2095,
"oneMonthPriceChange": 0.7795,
"lastTradePrice": 0.999,
"bestBid": 0.999,
"bestAsk": 1,
"automaticallyActive": true,
"clearBookOnStart": true,
"seriesColor": "",
"showGmpSeries": false,
"showGmpOutcome": false,
"manualActivation": false,
"negRiskOther": false,
"umaResolutionStatuses": "[\"proposed\"]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2025-12-05T21:00:47.730211Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null,
"version": "v1"
},
{
"id": "814124",
"question": "2026 U.S. Senate Election: Republican Odds under 55% by March 31?",
"conditionId": "0x1d3f62888974b22cc027201540e714758bd5dab6e6a5aefe4bf84ee4409fe041",
"slug": "2026-us-senate-election-republican-odds-under-55-by-march-31",
"resolutionSource": "",
"endDate": "2026-03-31T00:00:00Z",
"startDate": "2025-12-05T21:01:42.314154Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"description": "This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced under the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”.\n\nA tie in the number of minutes will not suffice.\n\nThe resolution source will be the underlying minute-level price data for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-senate-election-republican-odds-under-55-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.\n\nNote: This market will resolve according to the price scoring methodology of derivative.polymarket.com.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"1\", \"0\"]",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2025-12-03T23:31:00.65513Z",
"updatedAt": "2026-03-09T22:54:40.812228Z",
"closedTime": "2026-03-07 13:52:35+00",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "↓ 55%",
"groupItemThreshold": "5",
"questionID": "0xe8525bc9a3ea0e671c4d7e7271c3877ed86e7a26099859b2a0e5a2ed401ca53c",
"umaEndDate": "2026-03-07T13:52:35Z",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.001,
"orderMinSize": 5,
"umaResolutionStatus": "resolved",
"endDateIso": "2026-03-31",
"startDateIso": "2025-12-05",
"hasReviewedDates": true,
"clobTokenIds": "[\"95763811489439944272879121061152997107436795184522470108512361230757207747109\", \"27106546736713662305552610185704041643587553923753067924307269346426792099617\"]",
"comboStatus": "disabled",
"umaBond": "500",
"umaReward": "5",
"customLiveness": 0,
"acceptingOrders": false,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2025-12-05T21:01:19Z",
"cyom": false,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 20,
"rewardsMaxSpread": 3.5,
"spread": 0.001,
"automaticallyResolved": true,
"oneDayPriceChange": -0.03,
"oneHourPriceChange": -0.01,
"oneWeekPriceChange": 0.055,
"oneMonthPriceChange": 0.28,
"lastTradePrice": 0.999,
"bestBid": 0.999,
"bestAsk": 1,
"automaticallyActive": true,
"clearBookOnStart": true,
"seriesColor": "",
"showGmpSeries": false,
"showGmpOutcome": false,
"manualActivation": false,
"negRiskOther": false,
"umaResolutionStatuses": "[\"proposed\"]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2025-12-05T21:00:47.740442Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null,
"version": "v1"
},
{
"id": "814125",
"question": "2026 U.S. Senate Election: Republican Odds under 50% by March 31?",
"conditionId": "0x4375c27eb764c27d63fa887a20ee64c2b5bab5d5330f41963acc9a1875f10769",
"slug": "2026-us-senate-election-republican-odds-under-50-by-march-31",
"resolutionSource": "",
"endDate": "2026-03-31T00:00:00Z",
"startDate": "2025-12-05T21:01:39.550872Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"description": "This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced under the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”.\n\nA tie in the number of minutes will not suffice.\n\nThe resolution source will be the underlying minute-level price data for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-senate-election-republican-odds-under-50-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.\n\nNote: This market will resolve according to the price scoring methodology of derivative.polymarket.com.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"1\", \"0\"]",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2025-12-03T23:31:01.109946Z",
"updatedAt": "2026-03-15T01:33:43.845484Z",
"closedTime": "2026-03-14 02:49:01+00",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "↓ 50%",
"groupItemThreshold": "6",
"questionID": "0xbc83b0d84a000e3161e7beea0a0518f5ad476f15e86cd1e91518a48896df202f",
"umaEndDate": "2026-03-14T02:49:01Z",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.001,
"orderMinSize": 5,
"umaResolutionStatus": "resolved",
"endDateIso": "2026-03-31",
"startDateIso": "2025-12-05",
"hasReviewedDates": true,
"clobTokenIds": "[\"41811645475059308448700260464910937118630089122853489559221841063617987198270\", \"3546002518446363783789496901336167655862001950969041850192481896805130591524\"]",
"comboStatus": "disabled",
"umaBond": "500",
"umaReward": "5",
"customLiveness": 0,
"acceptingOrders": false,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2025-12-05T21:01:17Z",
"cyom": false,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 20,
"rewardsMaxSpread": 3.5,
"spread": 0.001,
"automaticallyResolved": true,
"oneDayPriceChange": -0.007,
"oneWeekPriceChange": 0.025,
"oneMonthPriceChange": 0.077,
"lastTradePrice": 0.934,
"bestBid": 0.999,
"bestAsk": 1,
"automaticallyActive": true,
"clearBookOnStart": true,
"seriesColor": "",
"showGmpSeries": false,
"showGmpOutcome": false,
"manualActivation": false,
"negRiskOther": false,
"umaResolutionStatuses": "[\"proposed\"]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2025-12-05T21:00:47.727909Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null,
"version": "v1"
},
{
"id": "814126",
"question": "2026 U.S. Senate Election: Republican Odds under 40% by March 31?",
"conditionId": "0x814133189954aac5776d0640ccb3edaacc97fb8591b079664889be77869b0427",
"slug": "2026-us-senate-election-republican-odds-under-40-by-march-31",
"resolutionSource": "",
"endDate": "2026-03-31T00:00:00Z",
"startDate": "2025-12-05T21:01:39.042565Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/which-party-wins-the-senate-in-the-2026-midterms-OXeDuHUkn3kf.png",
"description": "This market will resolve to “Yes” if the “Yes” option for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market (https://polymarket.com/event/which-party-will-win-the-senate-in-2026?) is priced under the listed value for any four-hour period ending by March 31, 2026, 11:59 PM ET or earlier. Otherwise, this market will resolve to “No”.\n\nA tie in the number of minutes will not suffice.\n\nThe resolution source will be the underlying minute-level price data for 'Republican Party' in the \"Which party will win the Senate in 2026?\" market, which can be viewed using the bar chart on https://derivative.polymarket.com/index/2026-us-senate-election-republican-odds-under-40-by-march-31 or through the “Resolution” tab with the time set to show the four-hour window. Both interfaces display the same underlying data.\n\nNote: This market will resolve according to the price scoring methodology of derivative.polymarket.com.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"0\", \"1\"]",
"volume": "281650.2325429998",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2025-12-03T23:31:01.609884Z",
"updatedAt": "2026-04-02T04:34:23.037855Z",
"closedTime": "2026-04-01 06:37:19+00",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "↓ 40%",
"groupItemThreshold": "7",
"questionID": "0xe525a92c848c4da2c6c503557a6a377aa47b0eaace8df691b8f7e7ca31407869",
"umaEndDate": "2026-04-01T06:37:19Z",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.001,
"orderMinSize": 5,
"umaResolutionStatus": "resolved",
"volumeNum": 281650.2325429998,
"endDateIso": "2026-03-31",
"startDateIso": "2025-12-05",
"hasReviewedDates": true,
"clobTokenIds": "[\"63037430273937813787941462621562909563098733611090177846414558427896920374373\", \"101491158532179548254051526612634830702869254899695026402370326642795212737702\"]",
"comboStatus": "disabled",
"umaBond": "500",
"umaReward": "5",
"volumeClob": 281650.2325429998,
"customLiveness": 0,
"acceptingOrders": false,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2025-12-05T21:01:17Z",
"cyom": false,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 20,
"rewardsMaxSpread": 3.5,
"spread": 0.001,
"automaticallyResolved": true,
"oneDayPriceChange": -0.0005,
"oneWeekPriceChange": -0.0065,
"oneMonthPriceChange": -0.019,
"lastTradePrice": 0.001,
"bestAsk": 0.001,
"automaticallyActive": true,
"clearBookOnStart": true,
"seriesColor": "",
"showGmpSeries": false,
"showGmpOutcome": false,
"manualActivation": false,
"negRiskOther": false,
"umaResolutionStatuses": "[\"proposed\"]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2025-12-05T21:00:47.735373Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null,
"version": "v1"
}
],
"series": [
{
"id": "10958",
"ticker": "senate-deriv",
"slug": "senate-deriv",
"title": "Senate Deriv",
"seriesType": "single",
"recurrence": "monthly",
"image": "",
"icon": "",
"active": true,
"closed": false,
"archived": false,
"createdAt": "2026-01-21T17:28:53.559193Z",
"updatedAt": "2026-08-18T07:48:54.60553Z",
"commentCount": 69,
"requiresTranslation": false
}
],
"tags": [
{
"id": "100418",
"label": "Derivatives",
"slug": "derivatives",
"forceShow": false,
"createdAt": "2024-09-05T16:22:43.47173Z",
"updatedAt": "2026-04-17T20:14:51.324698Z",
"requiresTranslation": false
},
{
"id": "102289",
"label": "Midterms",
"slug": "midterms",
"createdAt": "2025-06-19T20:54:40.884795Z",
"updatedAt": "2026-04-17T20:51:49.953987Z",
"requiresTranslation": false
},
{
"id": "101206",
"label": "World Elections",
"slug": "world-elections",
"forceShow": false,
"createdAt": "2024-11-07T23:07:25.512144Z",
"updatedAt": "2026-04-15T21:03:39.331022Z",
"requiresTranslation": false
},
{
"id": "144",
"label": "Elections",
"slug": "elections",
"forceShow": false,
"publishedAt": "2023-11-02 21:24:31.008+00",
"updatedBy": 13,
"createdAt": "2023-11-02T21:24:31.198Z",
"updatedAt": "2026-04-17T17:22:31.696566Z",
"forceHide": true,
"requiresTranslation": false
},
{
"id": "1101",
"label": "US Election",
"slug": "us-presidential-election",
"forceShow": false,
"publishedAt": "2024-02-06 19:42:10.126+00",
"createdAt": "2024-02-06T19:42:10.132Z",
"updatedAt": "2026-04-17T20:37:36.506311Z",
"requiresTranslation": false
},
{
"id": "2",
"label": "Politics",
"slug": "politics",
"forceShow": false,
"publishedAt": "2023-10-25 18:55:50.674+00",
"updatedBy": 13,
"createdAt": "2023-10-25T18:55:50.681Z",
"updatedAt": "2026-04-17T20:39:54.201881Z",
"forceHide": true,
"requiresTranslation": false
}
],
"cyom": false,
"closedTime": "2026-04-01T06:37:19Z",
"showAllOutcomes": true,
"showMarketImages": false,
"automaticallyResolved": true,
"enableNegRisk": false,
"automaticallyActive": true,
"seriesSlug": "senate-deriv",
"gmpChartMode": "default",
"negRiskAugmented": false,
"estimateValue": false,
"cumulativeMarkets": false,
"pendingDeployment": false,
"deploying": false,
"requiresTranslation": false,
"eventMetadata": {
"context_description": "Republican trader consensus for 2026 Senate control has shifted sharply in recent weeks, with Democrats now implied at 52% probability to flip the chamber on Polymarket after hovering near 50-50 through late March. This reflects escalating U.S.-Iran tensions following airstrikes, viewed as a growing liability for President Trump's administration amid the historical midterm curse where the president's party loses Senate seats in 18 of 20 cycles since 1946. Republicans defend 20 seats—including battlegrounds in Maine, North Carolina, and Texas—versus Democrats' 13, amplifying vulnerability. GOP Senate blockage of the Save America Act despite public support has eroded confidence. Primaries begin summer 2026, with general elections November 3; the March 31 deadline for this derivative market has passed without Republican odds hitting 70%+ or 40% thresholds.",
"context_requires_regen": true,
"context_updated_at": "2026-04-01T06:34:24.624Z"
},
"version": "v1"
}Tickers mapped from the event's catalyst themes.
Robinhood Markets Inc.
Rules for event contracts can affect exchange volumes, retail trading products, compliance costs, and adjacent crypto or brokerage demand.
Coinbase Global Inc.
Rules for event contracts can affect exchange volumes, retail trading products, compliance costs, and adjacent crypto or brokerage demand.
CME Group
Rules for event contracts can affect exchange volumes, retail trading products, compliance costs, and adjacent crypto or brokerage demand.
Intercontinental Exchange
Rules for event contracts can affect exchange volumes, retail trading products, compliance costs, and adjacent crypto or brokerage demand.
Strategy Inc.
Crypto-linked stocks are sensitive to spot prices, transaction activity, investor demand, and mining margins.
Cboe Global Markets
Rules for event contracts can affect exchange volumes, retail trading products, compliance costs, and adjacent crypto or brokerage demand.
MARA Holdings, Inc.
Crypto-linked stocks are sensitive to spot prices, transaction activity, investor demand, and mining margins.
Interactive Brokers
Rules for event contracts can affect exchange volumes, retail trading products, compliance costs, and adjacent crypto or brokerage demand.
Riot Platforms, Inc.
Crypto-linked stocks are sensitive to spot prices, transaction activity, investor demand, and mining margins.
Charles Schwab Corporation
Rules for event contracts can affect exchange volumes, retail trading products, compliance costs, and adjacent crypto or brokerage demand.
CleanSpark, Inc.
Crypto-linked stocks are sensitive to spot prices, transaction activity, investor demand, and mining margins.
Nasdaq, Inc.
Rules for event contracts can affect exchange volumes, retail trading products, compliance costs, and adjacent crypto or brokerage demand.
Hut 8 Corp.
Crypto-linked stocks are sensitive to spot prices, transaction activity, investor demand, and mining margins.
MarketAxess Holdings Inc.
Rules for event contracts can affect exchange volumes, retail trading products, compliance costs, and adjacent crypto or brokerage demand.