
Miami Open: Sorana Cirstea vs Elise Mertens
Prediction market · Polymarket
Overview
This market refers on the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 at 11:00AM ET. This market will resolve to 'Sorana Cirstea' if Sorana Cirstea advances against Elise Mertens. This market will resolve to 'Elise Mertens' if Elise Mertens advances against Sorana Cirstea. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
Ticker
wta-cirstea-mertens-2026-03-21
Volume
25.0K
24h volume
25.0K
1w volume
25.0K
Open interest
0
Liquidity
26.4K
Liquidity CLOB
26.4K
Start
Mar 20, 2026
End
Mar 28, 2026
Status
Active
Access
Restricted
Created
Mar 21, 2026
Resolution source
https://www.wtatennis.com/scores
Event ID
290924
Slug
wta-cirstea-mertens-2026-03-21
Markets
10
Raw event data
{
"id": "290924",
"ticker": "wta-cirstea-mertens-2026-03-21",
"slug": "wta-cirstea-mertens-2026-03-21",
"title": "Miami Open: Sorana Cirstea vs Elise Mertens",
"description": "This market refers on the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 at 11:00AM ET.\n\nThis market will resolve to 'Sorana Cirstea' if Sorana Cirstea advances against Elise Mertens.\n\nThis market will resolve to 'Elise Mertens' if Elise Mertens advances against Sorana Cirstea.\n\nIf the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.",
"resolutionSource": "https://www.wtatennis.com/scores",
"startDate": "2026-03-20T22:03:08.74013Z",
"creationDate": "2026-03-21T15:00:00Z",
"endDate": "2026-03-28T15:00:00Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"active": true,
"closed": false,
"archived": false,
"new": false,
"featured": false,
"restricted": true,
"liquidity": 26398.0298,
"volume": 24997.68124199999,
"openInterest": 0,
"createdAt": "2026-03-20T22:00:04.180266Z",
"updatedAt": "2026-03-21T20:08:47.82974Z",
"competitive": 0.9996001599360256,
"volume24hr": 24997.681242,
"volume1wk": 24997.681242,
"volume1mo": 24997.681242,
"volume1yr": 24997.681242,
"enableOrderBook": true,
"liquidityClob": 26398.0298,
"negRisk": false,
"commentCount": 0,
"markets": [
{
"id": "1667558",
"question": "Set Handicap: Mertens (-1.5) vs Cirstea (+1.5)",
"conditionId": "0x6b85ab85bb44e99e0ce065448b2584628bb3907664d875b7a4b12f569cf8cc77",
"slug": "wta-cirstea-mertens-2026-03-21-set-handicap-away-1pt5",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "883.6907",
"startDate": "2026-03-21T01:03:11.962652Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers to the tennis match between Elise Mertens and Sorana Cirstea in the Miami Open, scheduled for March 21 2026.\nThis market will resolve to \"Mertens\" if Elise Mertens wins by 2 or more sets than Sorana Cirstea, based on the final completed score. Otherwise, it will resolve to \"Cirstea.\"\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA results.",
"outcomes": "[\"Mertens\", \"Cirstea\"]",
"outcomePrices": "[\"0.325\", \"0.675\"]",
"volume": "970.781342",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-21T01:00:02.837436Z",
"updatedAt": "2026-03-21T20:13:40.987623Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Sorana Cirstea vs Elise Mertens Set Handicap +/-1.5",
"groupItemThreshold": "1",
"questionID": "0x4b6951e82f09b064e5aedb146f160796962fa26ee402ac5b72089b1c92258c41",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 970.781342,
"liquidityNum": 883.6907,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-21",
"hasReviewedDates": true,
"volume24hr": 970.781342,
"volume1wk": 970.781342,
"volume1mo": 970.781342,
"volume1yr": 970.781342,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"105502102928235410657376605824216598007809135942881931160148512188778023454417\", \"97407304567263425044388396386825062046738763687937316884530143802642294725123\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 970.781342,
"volume1wkClob": 970.781342,
"volume1moClob": 970.781342,
"volume1yrClob": 970.781342,
"volumeClob": 970.781342,
"liquidityClob": 883.6907,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-21T01:02:07Z",
"cyom": false,
"competitive": 0.9702850212249848,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.03,
"lastTradePrice": 0.36,
"bestBid": 0.31,
"bestAsk": 0.34,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_set_handicap",
"line": 1.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-21T01:00:11.028734Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1666719",
"question": "Set 1 Winner: Cirstea vs Mertens",
"conditionId": "0x1f90bf5d7a2f10630086f3cb68b4c3fc08c49d9ff08ae7db85316ac8b9fc8f4e",
"slug": "wta-cirstea-mertens-2026-03-21-first-set-winner-Cirstea-vs-Mertens",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "1048.2118",
"startDate": "2026-03-20T23:04:06.217069Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers to the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 2026.\nThis market will resolve to “Cirstea” if Sorana Cirstea wins the first set. It will resolve to “Mertens” if Elise Mertens wins the first set.\nIf the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.\nIf the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.\nResolution will be based on official WTA match statistics.",
"outcomes": "[\"Cirstea\", \"Mertens\"]",
"outcomePrices": "[\"0.48\", \"0.52\"]",
"volume": "18.518517",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-20T23:00:03.617662Z",
"updatedAt": "2026-03-21T20:13:44.344984Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Sorana Cirstea vs Elise Mertens Set 1 Winner",
"groupItemThreshold": "1",
"questionID": "0x74ad2dd88fae73fe305ce29de75318909a27c64d700855fad3f1bdf2a2231c9f",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 18.518517,
"liquidityNum": 1048.2118,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-20",
"hasReviewedDates": true,
"volume24hr": 18.518517,
"volume1wk": 18.518517,
"volume1mo": 18.518517,
"volume1yr": 18.518517,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"51142651463137058955407781439988617106457426033760263207002215191054670468322\", \"43246397865784995839980181735420730148049399425134238518489110541062745192865\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 18.518517,
"volume1wkClob": 18.518517,
"volume1moClob": 18.518517,
"volume1yrClob": 18.518517,
"volumeClob": 18.518517,
"liquidityClob": 1048.2118,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-20T23:02:59Z",
"cyom": false,
"competitive": 0.9996001599360256,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.06,
"bestBid": 0.45,
"bestAsk": 0.51,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_winner",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-20T23:00:07.973923Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1666718",
"question": "Cirstea vs. Mertens: Match O/U 21.5",
"conditionId": "0x145c3bae24a4975a74af6b3bb240ec131635b4be29a39a8527224fc35c3b921e",
"slug": "wta-cirstea-mertens-2026-03-21-match-total-21pt5",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "1079.8539",
"startDate": "2026-03-20T23:03:22.882766Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers to the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 2026.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.53\", \"0.47\"]",
"volume": "2",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-20T23:00:03.616737Z",
"updatedAt": "2026-03-21T20:13:31.235447Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Sorana Cirstea vs Elise Mertens Match O/U 21.5",
"groupItemThreshold": "1",
"questionID": "0x88c2d08fc19f2ec643d63aedd5028ba8a5c34fad4df17af350db8f6a47b20c38",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 2,
"liquidityNum": 1079.8539,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-20",
"hasReviewedDates": true,
"volume24hr": 2,
"volume1wk": 2,
"volume1mo": 2,
"volume1yr": 2,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"109364101315450069074696394934307828054897457269592624898128728983153239202197\", \"61672548588147861934240400610036941550314638264150789332844758890681569248864\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 2,
"volume1wkClob": 2,
"volume1moClob": 2,
"volume1yrClob": 2,
"volumeClob": 2,
"liquidityClob": 1079.8539,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-20T23:02:17Z",
"cyom": false,
"competitive": 0.9991008092716555,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"bestBid": 0.51,
"bestAsk": 0.55,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 21.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-20T23:00:07.808826Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1666720",
"question": "Cirstea vs. Mertens: Set 1 Games O/U 8.5",
"conditionId": "0xa10e8a146bde2b10e43234a00f4d0b4c450cad7ec58e69329dc56d3eb14097b4",
"slug": "wta-cirstea-mertens-2026-03-21-first-set-total-8pt5",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "555.0137",
"startDate": "2026-03-20T23:03:47.626457Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers to the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 2026.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to \"Under.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.72\", \"0.28\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-20T23:00:03.710965Z",
"updatedAt": "2026-03-21T20:13:28.250716Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Sorana Cirstea vs Elise Mertens Set 1 O/U 8.5",
"groupItemThreshold": "2",
"questionID": "0x3cb9bf76b739619c08a798c6a7264c34f869b6bab81f6763c8be4cc0456e1c94",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 555.0137,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-20",
"hasReviewedDates": true,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"111659477643069918286054544220466226857957945217671475478363569983116617892762\", \"19065838405103514202185929679351181055198385118199302627744543445171152406467\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 555.0137,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-20T23:02:41Z",
"cyom": false,
"competitive": 0.9538344143456696,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.06,
"bestBid": 0.69,
"bestAsk": 0.75,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 8.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-20T23:00:07.872715Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1666721",
"question": "Cirstea vs. Mertens: Match O/U 22.5",
"conditionId": "0x2cc2f9d38e719ade8900cfe29dc6482f38741704f04fea1f5b859305981f1043",
"slug": "wta-cirstea-mertens-2026-03-21-match-total-22pt5",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "831.0874",
"startDate": "2026-03-20T23:03:01.972058Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers to the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 2026.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.45\", \"0.55\"]",
"volume": "7",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-20T23:00:03.805993Z",
"updatedAt": "2026-03-21T20:13:27.578922Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Sorana Cirstea vs Elise Mertens Match O/U 22.5",
"groupItemThreshold": "1",
"questionID": "0xba4e446e677a714d354cc8b82ab742e229e6589faa70d19a49059e0606ca1cb8",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 7,
"liquidityNum": 831.0874,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-20",
"hasReviewedDates": true,
"volume24hr": 7,
"volume1wk": 7,
"volume1mo": 7,
"volume1yr": 7,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"69711358019185404175788840110833596295741783783853040623638026898870638973367\", \"101504326770297032493110274232186894966375576259998047632538690377348207278918\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 7,
"volume1wkClob": 7,
"volume1moClob": 7,
"volume1yrClob": 7,
"volumeClob": 7,
"liquidityClob": 831.0874,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-20T23:01:55Z",
"cyom": false,
"competitive": 0.9975062344139651,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.06,
"lastTradePrice": 0.46,
"bestBid": 0.42,
"bestAsk": 0.48,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 22.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-20T23:00:07.811304Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1666722",
"question": "Cirstea vs. Mertens: Set 1 Games O/U 9.5",
"conditionId": "0x1db44823a2b2a49f6a87bb145d812aaedb1c4fa26307d4ed7e10dcd15d830198",
"slug": "wta-cirstea-mertens-2026-03-21-first-set-total-9pt5",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "7.4604",
"startDate": "2026-03-20T23:03:41.302452Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers to the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 2026.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to \"Under.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.69\", \"0.31\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-20T23:00:03.822948Z",
"updatedAt": "2026-03-21T20:13:28.268269Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Sorana Cirstea vs Elise Mertens Set 1 O/U 9.5",
"groupItemThreshold": "2",
"questionID": "0x70306ada17db8eae88da79ee9a75bc1693a916e07dcdfe13229775186fd1e6d1",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 7.4604,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-20",
"hasReviewedDates": true,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"11944196047510943194124689563943843925216173864717641798351818971482294580012\", \"10576086929454986975215698087617883273715113646997804268982155488445138443540\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 7.4604,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-20T23:02:35Z",
"cyom": false,
"competitive": 0.40536627738635267,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.58,
"bestBid": 0.4,
"bestAsk": 0.98,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 9.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-20T23:00:07.871968Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1666723",
"question": "Cirstea vs. Mertens: Match O/U 23.5",
"conditionId": "0x05d2ff29c7653126a2fc2f1ed1cfb2636d86a32b6a6d1651d859b4645f240e89",
"slug": "wta-cirstea-mertens-2026-03-21-match-total-23pt5",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "28.0407",
"startDate": "2026-03-20T23:06:03.667348Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers to the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 2026.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.68\", \"0.32\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-20T23:00:03.914316Z",
"updatedAt": "2026-03-21T20:13:28.274439Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Sorana Cirstea vs Elise Mertens Match O/U 23.5",
"groupItemThreshold": "1",
"questionID": "0xaf9bb9038d5064ebeacbdd95fb31c392c3da8f991668ef4a30340affaa0c75fa",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 28.0407,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-20",
"hasReviewedDates": true,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"59592770989613542926901648963981629299459959249483755669691424522603680886982\", \"16364568322190189154827984317080978435147005539161477861253694648898452675882\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 28.0407,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-20T23:04:57Z",
"cyom": false,
"competitive": 0.38744672607516467,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.6,
"bestBid": 0.38,
"bestAsk": 0.98,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 23.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-20T23:00:07.873851Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1666724",
"question": "Cirstea vs. Mertens: Set 1 Games O/U 10.5",
"conditionId": "0x701f71d4f8fb736bb55b1d628ae33110633a512b3e154294f7096f0e0ff6ebeb",
"slug": "wta-cirstea-mertens-2026-03-21-first-set-total-10pt5",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "420.5332",
"startDate": "2026-03-20T23:03:22.628714Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers to the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 2026.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to \"Under.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official WTA results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.245\", \"0.755\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-20T23:00:03.931567Z",
"updatedAt": "2026-03-21T20:13:41.358882Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Sorana Cirstea vs Elise Mertens Set 1 O/U 10.5",
"groupItemThreshold": "2",
"questionID": "0x5f08c0af3f2a2df0841bb7f6cf65798d193b3fe1165cbf355ffc1d7c77374ab9",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 420.5332,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-20",
"hasReviewedDates": true,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"56605118636020245231951973844336220185068250559387796969949612194052703730836\", \"55048717372744546880441316572823133766495489246137187095470915203275828497615\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 420.5332,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-20T23:02:17Z",
"cyom": false,
"competitive": 0.938945095185559,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.07,
"bestBid": 0.21,
"bestAsk": 0.28,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 10.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-20T23:00:07.971383Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1666717",
"question": "Sorana Cirstea vs. Elise Mertens: Total Sets O/U 2.5",
"conditionId": "0x00b5272a9d476bfa99bc1fc8b9da48e20ae056dc471d6a8ed66073a019ef58a0",
"slug": "wta-cirstea-mertens-2026-03-21-set-totals-2pt5",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "756.4273",
"startDate": "2026-03-20T23:03:31.484057Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers to the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 2026.\nThis market will resolve to \"Over\" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to \"Under.\"\nA super tie breaker is considered as one (1) set for total set markets.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.",
"outcomes": "[\"Over 2.5\", \"Under 2.5\"]",
"outcomePrices": "[\"0.385\", \"0.615\"]",
"volume": "99.169551",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-20T23:00:03.615488Z",
"updatedAt": "2026-03-21T20:13:28.309302Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Sorana Cirstea vs Elise Mertens Total Sets: O/U 2.5",
"groupItemThreshold": "1",
"questionID": "0x29b6a18d3227bf49c30b3059abbc0b84d22e7f9abee327c903f99833530fa080",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 99.169551,
"liquidityNum": 756.4273,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-20",
"hasReviewedDates": true,
"volume24hr": 99.169551,
"volume1wk": 99.169551,
"volume1mo": 99.169551,
"volume1yr": 99.169551,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"89091469752169218090312112062767702376356234196637509766650032213301269655601\", \"43773336843004398725784294079674021021134927355127755688932339484427543997490\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 99.169551,
"volume1wkClob": 99.169551,
"volume1moClob": 99.169551,
"volume1yrClob": 99.169551,
"volumeClob": 99.169551,
"liquidityClob": 756.4273,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-20T23:02:25Z",
"cyom": false,
"competitive": 0.9869476177551876,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.05,
"lastTradePrice": 0.38,
"bestBid": 0.36,
"bestAsk": 0.41,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_set_totals",
"line": 2.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-20T23:00:07.808153Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1665979",
"question": "Miami Open: Sorana Cirstea vs Elise Mertens",
"conditionId": "0x2fcd55ba34467898a90eef5246fed125e336c133b1007e1d9dbc6e7c33847ef8",
"slug": "wta-cirstea-mertens-2026-03-21",
"resolutionSource": "https://www.wtatennis.com/scores",
"endDate": "2026-03-28T15:00:00Z",
"liquidity": "29056.6574",
"startDate": "2026-03-20T22:02:42.62892Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png",
"description": "This market refers on the tennis match between Sorana Cirstea and Elise Mertens in the Miami Open, scheduled for March 21 at 11:00AM ET.\n\nThis market will resolve to 'Sorana Cirstea' if Sorana Cirstea advances against Elise Mertens.\n\nThis market will resolve to 'Elise Mertens' if Elise Mertens advances against Sorana Cirstea.\n\nIf the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.",
"outcomes": "[\"Sorana Cirstea\", \"Elise Mertens\"]",
"outcomePrices": "[\"0.48\", \"0.52\"]",
"volume": "23900.21183199999",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-20T22:00:04.280722Z",
"updatedAt": "2026-03-21T20:13:46.813047Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemThreshold": "0",
"questionID": "0x28a97526eab298a6b24fa50601c56be26d388d2078efe210f876415ce7921b76",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 23900.21183199999,
"liquidityNum": 29056.6574,
"endDateIso": "2026-03-28",
"startDateIso": "2026-03-20",
"hasReviewedDates": true,
"volume24hr": 23919.599586,
"volume1wk": 23919.599586,
"volume1mo": 23919.599586,
"volume1yr": 23919.599586,
"gameStartTime": "2026-03-21 20:25:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"3893545962939440977921690203936545501044263608309694490875157967247772591562\", \"75606143234274164296162936366062108583016686616725651701096986044079658967718\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 23919.599586,
"volume1wkClob": 23919.599586,
"volume1moClob": 23919.599586,
"volume1yrClob": 23919.599586,
"volumeClob": 23900.21183199999,
"liquidityClob": 29056.6574,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-20T22:01:37Z",
"cyom": false,
"competitive": 0.9996001599360256,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.02,
"lastTradePrice": 0.49,
"bestBid": 0.47,
"bestAsk": 0.49,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "moneyline",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-20T22:00:07.514478Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
}
],
"series": [
{
"id": "10366",
"ticker": "wta",
"slug": "wta",
"title": "WTA",
"seriesType": "single",
"recurrence": "daily",
"image": "",
"icon": "",
"active": true,
"closed": false,
"archived": false,
"featured": false,
"restricted": true,
"createdAt": "2025-10-07T17:08:50.305974Z",
"updatedAt": "2026-03-21T20:08:58.800675Z",
"volume24hr": 3150128.532754,
"volume": 2147699.347476001,
"liquidity": 4073739.89475,
"commentCount": 554,
"requiresTranslation": false
}
],
"tags": [
{
"id": "864",
"label": "Tennis",
"slug": "tennis",
"forceShow": false,
"publishedAt": "2024-01-12 19:45:09.662+00",
"createdAt": "2024-01-12T19:45:09.677Z",
"updatedAt": "2026-03-09T22:29:03.536861Z",
"requiresTranslation": false
},
{
"id": "1",
"label": "Sports",
"slug": "sports",
"forceShow": false,
"publishedAt": "2023-10-24 22:37:50.296+00",
"updatedBy": 15,
"createdAt": "2023-10-24T22:37:50.31Z",
"updatedAt": "2026-03-09T22:25:22.69129Z",
"forceHide": true,
"requiresTranslation": false
},
{
"id": "100639",
"label": "Games",
"slug": "games",
"forceShow": false,
"createdAt": "2024-09-23T22:41:37.670714Z",
"updatedAt": "2026-03-09T22:28:03.358133Z",
"requiresTranslation": false
}
],
"cyom": false,
"showAllOutcomes": true,
"showMarketImages": false,
"enableNegRisk": false,
"automaticallyActive": true,
"eventDate": "2026-03-21",
"startTime": "2026-03-21T20:25:00Z",
"seriesSlug": "wta",
"negRiskAugmented": false,
"pendingDeployment": false,
"deploying": false,
"gameId": 5264517,
"requiresTranslation": false,
"eventMetadata": {
"context_description": "Trader consensus gives Sorana Cirstea a narrow 52.5% implied edge over Elise Mertens in their Miami Open clash, driven by Cirstea's surging hard-court form after reaching the Indian Wells quarterfinals and upsetting higher seeds. The matchup's tight balance arises from Mertens' 5-2 head-to-head advantage, her steady baseline play, and better rest after a straight-sets win, countering Cirstea's aggressive serving on outdoor hard courts. No injuries mar official reports for either, but Miami's variable winds could favor Mertens' superior movement. Momentum swings—like Cirstea's qualifier grind versus Mertens' cleaner path—might tip odds, as early-round upsets often defy slim favorites in WTA 1000 events.",
"context_requires_regen": false,
"context_updated_at": "2026-03-20T23:00:34.992Z",
"league": "Miami Open"
}
}- Cirstea vs. Mertens: Set 1 Games O/U 8.5Vol —Liq 555End Mar 28, 2026OpenOrder book
- Cirstea vs. Mertens: Set 1 Games O/U 9.5Vol —Liq 7End Mar 28, 2026OpenOrder book
- Cirstea vs. Mertens: Match O/U 23.5Vol —Liq 28End Mar 28, 2026OpenOrder book
- Cirstea vs. Mertens: Match O/U 21.5Vol 2Liq 1.1KEnd Mar 28, 2026OpenOrder book
- Miami Open: Sorana Cirstea vs Elise MertensVol 23.9KLiq 29.1KEnd Mar 28, 2026OpenOrder book
- Set 1 Winner: Cirstea vs MertensVol 19Liq 1.0KEnd Mar 28, 2026OpenOrder book
- Cirstea vs. Mertens: Match O/U 22.5Vol 7Liq 831End Mar 28, 2026OpenOrder book
- Sorana Cirstea vs. Elise Mertens: Total Sets O/U 2.5Vol 99Liq 756End Mar 28, 2026OpenOrder book
- Set Handicap: Mertens (-1.5) vs Cirstea (+1.5)Vol 971Liq 884End Mar 28, 2026OpenOrder book
- Cirstea vs. Mertens: Set 1 Games O/U 10.5Vol —Liq 421End Mar 28, 2026OpenOrder book