
Ostrava: Zsombor Piros vs Max Houkes
Prediction market · Polymarket
Overview
This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET. This market will resolve to 'Zsombor Piros' if Zsombor Piros advances against Max Houkes. This market will resolve to 'Max Houkes' if Max Houkes advances against Zsombor Piros. 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 ATP Tour. A consensus of credible reporting may also be used.
Ticker
atp-piros-houkes-2026-04-27
Volume
1.1K
24h volume
1.1K
1w volume
1.1K
Open interest
875
Liquidity
194.7K
Liquidity CLOB
194.7K
Start
Apr 25, 2026
End
May 4, 2026
Status
Active
Access
Restricted
Created
Apr 27, 2026
Resolution source
https://www.atptour.com/en/scores/current
Event ID
417975
Slug
atp-piros-houkes-2026-04-27
Markets
9
Raw event data
{
"id": "417975",
"ticker": "atp-piros-houkes-2026-04-27",
"slug": "atp-piros-houkes-2026-04-27",
"title": "Ostrava: Zsombor Piros vs Max Houkes",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Zsombor Piros' if Zsombor Piros advances against Max Houkes.\n\nThis market will resolve to 'Max Houkes' if Max Houkes advances against Zsombor Piros.\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 ATP Tour. A consensus of credible reporting may also be used.",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"startDate": "2026-04-25T22:12:16.18403Z",
"creationDate": "2026-04-27T08:00:00Z",
"endDate": "2026-05-04T08:00:00Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"active": true,
"closed": false,
"archived": false,
"new": false,
"featured": false,
"restricted": true,
"liquidity": 194652.4389,
"volume": 1131.3549490000003,
"openInterest": 874.575612,
"createdAt": "2026-04-25T22:00:24.965163Z",
"updatedAt": "2026-04-27T04:57:35.670399Z",
"competitive": 0.9996001599360256,
"volume24hr": 1131.354949,
"volume1wk": 1131.354949,
"volume1mo": 1131.354949,
"volume1yr": 1131.354949,
"enableOrderBook": true,
"liquidityClob": 194652.4389,
"negRisk": false,
"commentCount": 0,
"markets": [
{
"id": "2080283",
"question": "Ostrava: Zsombor Piros vs Max Houkes",
"conditionId": "0x2109a6e5ebb9773c001955def6360373acc0a4eeb7418fa790ddb327b90a1bb0",
"slug": "atp-piros-houkes-2026-04-27",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "150533.3765",
"startDate": "2026-04-25T22:05:55.357794Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Zsombor Piros' if Zsombor Piros advances against Max Houkes.\n\nThis market will resolve to 'Max Houkes' if Max Houkes advances against Zsombor Piros.\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 ATP Tour. A consensus of credible reporting may also be used.",
"outcomes": "[\"Zsombor Piros\", \"Max Houkes\"]",
"outcomePrices": "[\"0.725\", \"0.275\"]",
"volume": "1121.3549490000003",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-25T22:00:25.156331Z",
"updatedAt": "2026-04-27T04:55:54.349549Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemThreshold": "0",
"questionID": "0x600cb31ec7992f5d6064d77d2c0a8feb3026cdfe83d2e960645753249027f640",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 1121.3549490000003,
"liquidityNum": 150533.3765,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-25",
"hasReviewedDates": true,
"volume24hr": 1121.354949,
"volume1wk": 1121.354949,
"volume1mo": 1121.354949,
"volume1yr": 1121.354949,
"gameStartTime": "2026-04-27 13:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"30980356734618765447052053919884801087593518512397270913803499327687249751819\", \"33772501017045953876602318836063026342078808478966209807342308663514400927485\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 1121.354949,
"volume1wkClob": 1121.354949,
"volume1moClob": 1121.354949,
"volume1yrClob": 1121.354949,
"volumeClob": 1121.3549490000003,
"liquidityClob": 150533.3765,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-25T22:04:52Z",
"cyom": false,
"competitive": 0.9518143961927424,
"pagerDutyNotificationEnabled": false,
"approved": true,
"clobRewards": [
{
"id": "243310",
"conditionId": "0x2109a6e5ebb9773c001955def6360373acc0a4eeb7418fa790ddb327b90a1bb0",
"assetAddress": "0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174",
"rewardsAmount": 0,
"rewardsDailyRate": 113,
"startDate": "2026-04-26",
"endDate": "2500-12-31"
}
],
"rewardsMinSize": 1000,
"rewardsMaxSpread": 2.5,
"spread": 0.01,
"oneDayPriceChange": -0.005,
"lastTradePrice": 0.73,
"bestBid": 0.72,
"bestAsk": 0.73,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "moneyline",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-25T22:00:35.078985Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083253",
"question": "Set 1 Winner: Piros vs Houkes",
"conditionId": "0x2c01d2e4599313d55b565edeeb56f51e6ae600e8f187ef9c9fe81a9f14e7be58",
"slug": "atp-piros-houkes-2026-04-27-first-set-winner-Piros-vs-Houkes",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "1137.9728",
"startDate": "2026-04-26T05:11:10.710045Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\nThis market will resolve to “Piros” if Zsombor Piros wins the first set. It will resolve to “Houkes” if Max Houkes 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 Challenger match statistics.",
"outcomes": "[\"Piros\", \"Houkes\"]",
"outcomePrices": "[\"0.65\", \"0.35\"]",
"volume": "10",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:24.321183Z",
"updatedAt": "2026-04-27T04:56:22.243608Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Ostrava: Zsombor Piros vs Max Houkes Set 1 Winner",
"groupItemThreshold": "1",
"questionID": "0x5fd120378942a284408da510f91adfccd5189d1c315bd9e8e5de32aef0028d1c",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 10,
"liquidityNum": 1137.9728,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"volume24hr": 10,
"volume1wk": 10,
"volume1mo": 10,
"volume1yr": 10,
"gameStartTime": "2026-04-27 13:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"110291462842129461336619051159776096429156699663284573533121365898100032535063\", \"82800238771580659381109410970690949522522694502268492942401336666944943805561\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 10,
"volume1wkClob": 10,
"volume1moClob": 10,
"volume1yrClob": 10,
"volumeClob": 10,
"liquidityClob": 1137.9728,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:10:08Z",
"cyom": false,
"competitive": 0.9779951100244499,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"bestBid": 0.63,
"bestAsk": 0.67,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_winner",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:45.367802Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083255",
"question": "Piros vs. Houkes: Set 1 Games O/U 8.5",
"conditionId": "0xb3f0f7b5f01ddcd4df5dc8d1e0fd410dfd6cd646406038b5f400a245f75511d6",
"slug": "atp-piros-houkes-2026-04-27-first-set-total-8pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "780.8588",
"startDate": "2026-04-26T05:13:57.793964Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\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 Challenger results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.69\", \"0.31\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:24.323141Z",
"updatedAt": "2026-04-27T04:55:18.270067Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Ostrava: Zsombor Piros vs Max Houkes Set 1 O/U 8.5",
"groupItemThreshold": "2",
"questionID": "0x6923c2684ac4baad50966a059fe80603a07f41a03e2fe7fe52cad98899bdfd49",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 780.8588,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-27 13:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"112045168950288141246097514694469643641378617585053299467243331268360458299057\", \"46953718173924174169922825066610347918801173950843572111412004578991383012409\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 780.8588,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:12:54Z",
"cyom": false,
"competitive": 0.9651578033008397,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"bestBid": 0.67,
"bestAsk": 0.71,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 8.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:42.732018Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083258",
"question": "Piros vs. Houkes: Set 1 Games O/U 9.5",
"conditionId": "0x4efbd2c77069e6bb35164933c1bd36bab71635427f0728b2144a9f8da2be6aa2",
"slug": "atp-piros-houkes-2026-04-27-first-set-total-9pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "59.6056",
"startDate": "2026-04-26T05:15:51.210103Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\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 Challenger results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.505\", \"0.495\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:24.53442Z",
"updatedAt": "2026-04-27T04:55:45.085148Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Ostrava: Zsombor Piros vs Max Houkes Set 1 O/U 9.5",
"groupItemThreshold": "2",
"questionID": "0x910280ef3990aa7aff115730b3890524575748275cb345640e36674fcb9b748c",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 59.6056,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-27 13:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"22211097443563936595105660289562716050146034987649768740772248480922402395155\", \"47290895137990162598936548805827286799312371075690112790298566273454294887041\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 59.6056,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:14:48Z",
"cyom": false,
"competitive": 0.12999675008124797,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.87,
"oneHourPriceChange": -0.005,
"bestBid": 0.07,
"bestAsk": 0.94,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 9.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:42.746316Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083260",
"question": "Piros vs. Houkes: Set 1 Games O/U 10.5",
"conditionId": "0xb3d9de34ba65312ed0099bdb46c06fb96e1ff3d294b7b726e9ee7b9153dac16e",
"slug": "atp-piros-houkes-2026-04-27-first-set-total-10pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "641.9899",
"startDate": "2026-04-26T05:07:04.104374Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\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 Challenger results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.23\", \"0.77\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:24.748172Z",
"updatedAt": "2026-04-27T04:55:23.479882Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Ostrava: Zsombor Piros vs Max Houkes Set 1 O/U 10.5",
"groupItemThreshold": "2",
"questionID": "0x34c42d953868bf742b62d741da91a47ab10699fe7f7ba2ca645805cdeb601845",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 641.9899,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-27 13:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"104968734568668249790821118055994089813428952089814021543841669709486280835174\", \"87030414521956069339407880775989102440271423865202677309374967597247501721466\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 641.9899,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:06:00Z",
"cyom": false,
"competitive": 0.9320533134495294,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"bestBid": 0.21,
"bestAsk": 0.25,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 10.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.035557Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083256",
"question": "Piros vs. Houkes: Match O/U 21.5",
"conditionId": "0xc15d55f605326cf8e3c42fda0007a7fe9d19f23fead6b4af3bada9bdab63ef19",
"slug": "atp-piros-houkes-2026-04-27-match-total-21pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "2333.3108",
"startDate": "2026-04-26T05:07:48.295007Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\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 Challenger statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.48\", \"0.52\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:24.324061Z",
"updatedAt": "2026-04-27T04:55:39.227102Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Ostrava: Zsombor Piros vs Max Houkes Match O/U 21.5",
"groupItemThreshold": "1",
"questionID": "0x792a2331eebd74b7e20fb8f4199db38ba8b1a84623fc72636c3b85ba051362f1",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2333.3108,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-27 13:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"81418659960983341290658219117908304822187133279828622395044094659973223886117\", \"18174169817576644494782370737805195703297555399499783728507206035711559950685\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2333.3108,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:06:44Z",
"cyom": false,
"competitive": 0.9996001599360256,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"bestBid": 0.46,
"bestAsk": 0.5,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 21.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:42.741115Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083257",
"question": "Piros vs. Houkes: Match O/U 22.5",
"conditionId": "0x940c865d2b2c747eb98e8c07d2200bd086920754e9eaa8c630e88d5ca28fd4ba",
"slug": "atp-piros-houkes-2026-04-27-match-total-22pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "231.714",
"startDate": "2026-04-26T05:06:13.535364Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\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 Challenger statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.465\", \"0.535\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:24.530467Z",
"updatedAt": "2026-04-27T04:56:22.481942Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Ostrava: Zsombor Piros vs Max Houkes Match O/U 22.5",
"groupItemThreshold": "1",
"questionID": "0xb7f9c35a64f9ee92d2bbe18ab2054688bd1aecf937e9f379f483eb920f4a6900",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 231.714,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-27 13:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"36217547237613874468225528662557133910678096941352062117453042952154947965429\", \"7753388888460248383060951448877740503731427049514794748280816269792976100667\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 231.714,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:05:10Z",
"cyom": false,
"competitive": 0.46942495443082227,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.53,
"bestBid": 0.2,
"bestAsk": 0.73,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 22.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:42.745296Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083259",
"question": "Piros vs. Houkes: Match O/U 23.5",
"conditionId": "0xc76724911f2257da36ec64792f2fa3fde7f5401d80395814194c542a384c2f93",
"slug": "atp-piros-houkes-2026-04-27-match-total-23pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "50.1363",
"startDate": "2026-04-26T05:06:43.582509Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\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 Challenger statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.515\", \"0.485\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:24.746739Z",
"updatedAt": "2026-04-27T04:56:20.101176Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Ostrava: Zsombor Piros vs Max Houkes Match O/U 23.5",
"groupItemThreshold": "1",
"questionID": "0x1c51e2aca9df621146a7a9571700d7d60d288f494796415202c8990e0b388991",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 50.1363,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-27 13:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"32393545132869191268842999223759517694425141554657133889403459649486778827721\", \"11773140166798227329446019628384937193378469194244194909266978950171953268604\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 50.1363,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:05:40Z",
"cyom": false,
"competitive": 0.08997975455522507,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.91,
"bestBid": 0.06,
"bestAsk": 0.97,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 23.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.021045Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083254",
"question": "Zsombor Piros vs. Max Houkes: Total Sets O/U 2.5",
"conditionId": "0xaa14c91417740eb15b1bb2c3b163468481ca06dc1dd6757f9288abc45dc01325",
"slug": "atp-piros-houkes-2026-04-27-set-totals-2pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "1187.627",
"startDate": "2026-04-26T05:19:14.980996Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Zsombor Piros and Max Houkes in the Ostrava, originally scheduled for April 27, 2026 at 4:00AM ET.\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 Challenger statistics.",
"outcomes": "[\"Over 2.5\", \"Under 2.5\"]",
"outcomePrices": "[\"0.36\", \"0.64\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:24.321423Z",
"updatedAt": "2026-04-27T04:56:02.653363Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Ostrava: Zsombor Piros vs Max Houkes Total Sets: O/U 2.5",
"groupItemThreshold": "1",
"questionID": "0xa40c90ae9d4fd1762b47a860355980181a00a86b22a6033fc80d5ec38ec23e18",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 1187.627,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-27 13:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"20083527736522918254435901038464152213028603263679273290346526118968834934082\", \"82622125185088758027756676373926735846124224532550538483739435351160303723386\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 1187.627,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:18:12Z",
"cyom": false,
"competitive": 0.9807767752059631,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.02,
"bestBid": 0.35,
"bestAsk": 0.37,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_set_totals",
"line": 2.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:42.734917Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
}
],
"series": [
{
"id": "10365",
"ticker": "atp",
"slug": "atp",
"title": "ATP",
"seriesType": "single",
"recurrence": "daily",
"image": "",
"icon": "",
"active": true,
"closed": false,
"archived": false,
"featured": false,
"restricted": true,
"createdAt": "2025-10-07T17:08:06.009679Z",
"updatedAt": "2026-04-27T04:57:45.464378Z",
"volume24hr": 5128854.807943,
"volume": 2687320.223460999,
"liquidity": 7493507.19233,
"commentCount": 2167,
"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": "2026-04-17T20:48:44.296144Z",
"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": "2026-04-17T20:47:16.461062Z",
"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": "2026-04-27",
"startTime": "2026-04-27T13:30:00Z",
"seriesSlug": "atp",
"negRiskAugmented": false,
"pendingDeployment": false,
"deploying": false,
"gameId": 5406664,
"requiresTranslation": false,
"eventMetadata": {
"context_description": "Third-seeded Zsombor Piros (ATP No. 148), a strong clay performer with recent Challenger deep runs including a win over Jurij Rodionov in Madrid qualifiers, meets Max Houkes (No. 233) in the Ostrava Challenger first-round clash on red clay. The Hungarian Piros holds a ranking edge and home-continent advantage near Czech Republic, bolstered by a 2-0 streak in his last five matches. Dutch left-hander Houkes arrives with momentum from Oeiras Challenger last week, upsetting higher-ranked Dusan Lajovic 7-6(1), 6-4 after beating Zdenek Kolar, showcasing his baseline grinding on the surface. No head-to-head history or injury concerns reported; traders eye stylistic matchup where Houkes' recent form could test Piros' consistency.",
"context_requires_regen": false,
"context_updated_at": "2026-04-27T03:43:52.864Z",
"league": "Ostrava"
},
"teams": [
{
"id": 229204,
"name": "Zsombor Piros",
"league": "atp",
"record": "0-0",
"logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/country-flags/hun.png",
"abbreviation": "piros",
"alias": "Z. Piros",
"createdAt": "2026-01-03T17:00:02.247398Z",
"updatedAt": "2026-04-24T15:38:23.738718Z",
"providerId": 686572,
"color": "#406040"
},
{
"id": 3264943,
"name": "Max Houkes",
"league": "atp",
"record": "0-0",
"logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/country-flags/nld.png",
"abbreviation": "houkes",
"alias": "M. Houkes",
"createdAt": "2026-03-02T17:00:12.426562Z",
"updatedAt": "2026-04-24T15:38:25.317836Z",
"providerId": 958505,
"color": "#244890"
}
]
}- Ostrava: Zsombor Piros vs Max HoukesVol 1.1KLiq 150.5KEnd May 4, 2026OpenOrder book
- Piros vs. Houkes: Set 1 Games O/U 8.5Vol —Liq 781End May 4, 2026OpenOrder book
- Set 1 Winner: Piros vs HoukesVol 10Liq 1.1KEnd May 4, 2026OpenOrder book
- Piros vs. Houkes: Match O/U 23.5Vol —Liq 50End May 4, 2026OpenOrder book
- Piros vs. Houkes: Set 1 Games O/U 9.5Vol —Liq 60End May 4, 2026OpenOrder book
- Piros vs. Houkes: Match O/U 21.5Vol —Liq 2.3KEnd May 4, 2026OpenOrder book
- Piros vs. Houkes: Match O/U 22.5Vol —Liq 232End May 4, 2026OpenOrder book
- Zsombor Piros vs. Max Houkes: Total Sets O/U 2.5Vol —Liq 1.2KEnd May 4, 2026OpenOrder book
- Piros vs. Houkes: Set 1 Games O/U 10.5Vol —Liq 642End May 4, 2026OpenOrder book