Miami Open: Alex Michelsen vs Mattia Bellucci
Prediction market · Polymarket
Overview
This market refers on the tennis match between Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 at 10:00AM ET. This market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Mattia Bellucci. This market will resolve to 'Mattia Bellucci' if Mattia Bellucci advances against Alex Michelsen. 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-michels-bellucc-2026-03-19
Volume
11.1K
24h volume
7.2K
1w volume
11.1K
Open interest
0
Liquidity
34.3K
Liquidity CLOB
34.3K
Start
Mar 18, 2026
End
Mar 26, 2026
Status
Active
Access
Restricted
Created
Mar 19, 2026
Resolution source
https://www.atptour.com/en/scores/current
Event ID
281753
Slug
atp-michels-bellucc-2026-03-19
Markets
10
Raw event data
{
"id": "281753",
"ticker": "atp-michels-bellucc-2026-03-19",
"slug": "atp-michels-bellucc-2026-03-19",
"title": "Miami Open: Alex Michelsen vs Mattia Bellucci",
"description": "This market refers on the tennis match between Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 at 10:00AM ET.\n\nThis market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Mattia Bellucci.\n\nThis market will resolve to 'Mattia Bellucci' if Mattia Bellucci advances against Alex Michelsen.\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": "2026-03-18T04:04:02.867588Z",
"creationDate": "2026-03-19T14:00:00Z",
"endDate": "2026-03-26T14:00:00Z",
"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": 34277.563,
"volume": 11105.268364000001,
"openInterest": 0,
"createdAt": "2026-03-18T04:00:13.268175Z",
"updatedAt": "2026-03-19T21:56:18.877268Z",
"competitive": 1,
"volume24hr": 7222.251324000002,
"volume1wk": 11105.268364000005,
"volume1mo": 11105.268364000005,
"volume1yr": 11105.268364000005,
"enableOrderBook": true,
"liquidityClob": 34277.563,
"negRisk": false,
"commentCount": 0,
"markets": [
{
"id": "1637024",
"question": "Set Handicap: Michelsen (-1.5) vs Bellucci (+1.5)",
"conditionId": "0xd2e1cd31a57a22445d6fdcfe5e54510ca70dea9a9a147bb50669466e0147de9c",
"slug": "atp-michels-bellucc-2026-03-19-set-handicap-home-1pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "1237.3318",
"startDate": "2026-03-18T07:03:05.763246Z",
"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 Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 2026.\nThis market will resolve to \"Michelsen\" if Alex Michelsen wins by 2 or more sets than Mattia Bellucci, based on the final completed score. Otherwise, it will resolve to \"Bellucci.\"\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 ATP results.",
"outcomes": "[\"Michelsen\", \"Bellucci\"]",
"outcomePrices": "[\"0.435\", \"0.565\"]",
"volume": "200.717646",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T07:00:09.261232Z",
"updatedAt": "2026-03-19T21:55:28.802062Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Alex Michelsen vs Mattia Bellucci Set Handicap +/-1.5",
"groupItemThreshold": "1",
"questionID": "0xeae064b3b6827669a80adfc54b9732a722f1039f0003d45529373e505d9e58a9",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 200.717646,
"liquidityNum": 1237.3318,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"volume24hr": 200.717646,
"volume1wk": 200.717646,
"volume1mo": 200.717646,
"volume1yr": 200.717646,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"92012054282213254704508582140155786323261845763687138607684945275114315737190\", \"19026462293847365798584873145743279701882271306201720167854301872060531260096\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 200.717646,
"volume1wkClob": 200.717646,
"volume1moClob": 200.717646,
"volume1yrClob": 200.717646,
"volumeClob": 200.717646,
"liquidityClob": 1237.3318,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T07:01:59Z",
"cyom": false,
"competitive": 0.9957927755234136,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.03,
"lastTradePrice": 0.5,
"bestBid": 0.42,
"bestAsk": 0.45,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_set_handicap",
"line": 1.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-18T07:00:28.237183Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1635988",
"question": "Set 1 Winner: Michelsen vs Bellucci",
"conditionId": "0x3154f92d0ac1f39854b642e8b224df0daf38e5677aaf70593e476760edeeb3eb",
"slug": "atp-michels-bellucc-2026-03-19-first-set-winner-Michelsen-vs-Bellucci",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "2297.52",
"startDate": "2026-03-18T05:11:10.139415Z",
"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 Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 2026.\nThis market will resolve to “Michelsen” if Alex Michelsen wins the first set. It will resolve to “Bellucci” if Mattia Bellucci 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 ATP match statistics.",
"outcomes": "[\"Michelsen\", \"Bellucci\"]",
"outcomePrices": "[\"0.615\", \"0.385\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T05:00:15.67594Z",
"updatedAt": "2026-03-19T21:55:47.691674Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Alex Michelsen vs Mattia Bellucci Set 1 Winner",
"groupItemThreshold": "1",
"questionID": "0x67d8113778f68d5073d100f9304789f760e8828ffc77382a99ae0ee144c55fe0",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2297.52,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"17116915975773910000249186761919696688474312112974992589753766687881494846464\", \"60398863362629568518513160017353412153110468332226115205312893851094404800122\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2297.52,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T05:10:03Z",
"cyom": false,
"competitive": 0.9869476177551876,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.03,
"bestBid": 0.6,
"bestAsk": 0.63,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_winner",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-18T05:00:43.338777Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1635994",
"question": "Michelsen vs. Bellucci: Match O/U 23.5",
"conditionId": "0x7721970c588cdf9692ca111264b3b79a76908f2501bc9ad89896a480fd95234f",
"slug": "atp-michels-bellucc-2026-03-19-match-total-23pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "2364.27",
"startDate": "2026-03-18T05:07:25.393177Z",
"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 Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 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 ATP statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.44\", \"0.56\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T05:00:15.98562Z",
"updatedAt": "2026-03-19T21:55:21.775806Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Alex Michelsen vs Mattia Bellucci Match O/U 23.5",
"groupItemThreshold": "1",
"questionID": "0x992cb4f69557439257cd469edf72c4f66ec4698a3c32d04d3648970e6d724394",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2364.27,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"95697158166639587907057864754528228721441607358005069786531710883981668352299\", \"78219325319773429103565566493616100160291401141813111134226978059836490179428\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2364.27,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T05:06:19Z",
"cyom": false,
"competitive": 0.9964129135113591,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"bestBid": 0.42,
"bestAsk": 0.46,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 23.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-18T05:01:01.643028Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1635989",
"question": "Alex Michelsen vs. Mattia Bellucci: Total Sets O/U 2.5",
"conditionId": "0x57e96c7f7b3103b203713b4f47cedfc517acc7bbf56b0079de1a1ca09446edcf",
"slug": "atp-michels-bellucc-2026-03-19-set-totals-2pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "2391.6",
"startDate": "2026-03-18T05:17:52.761678Z",
"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 Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 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 ATP statistics.",
"outcomes": "[\"Over 2.5\", \"Under 2.5\"]",
"outcomePrices": "[\"0.395\", \"0.605\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T05:00:15.677844Z",
"updatedAt": "2026-03-19T21:55:31.683672Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Alex Michelsen vs Mattia Bellucci Total Sets: O/U 2.5",
"groupItemThreshold": "1",
"questionID": "0xe896cf9c74758f7b59307853a880d1ac92ef8a039452ff260581ce0285369717",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2391.6,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"107098260412763530995455820446014242914675374317768995233449011737223935044953\", \"33643121798657747325344131419363829882044237837810868037547082446909363839394\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2391.6,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T05:16:47Z",
"cyom": false,
"competitive": 0.9890952251428006,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.05,
"bestBid": 0.37,
"bestAsk": 0.42,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_set_totals",
"line": 2.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-18T05:00:44.294797Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1635990",
"question": "Michelsen vs. Bellucci: Match O/U 21.5",
"conditionId": "0x1e582768843c1859625306d4546545e571fb7888651112a563d572e1bfe8284d",
"slug": "atp-michels-bellucc-2026-03-19-match-total-21pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "2298.978",
"startDate": "2026-03-18T05:03:56.439875Z",
"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 Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 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 ATP statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.585\", \"0.415\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T05:00:15.687078Z",
"updatedAt": "2026-03-19T21:55:25.354035Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Alex Michelsen vs Mattia Bellucci Match O/U 21.5",
"groupItemThreshold": "1",
"questionID": "0x5c46320d77a8ec68789caa9bf95f3dc15717f65a004e71899ee6c50b6f9597d4",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2298.978,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"100732055146532401112047057280183001800542633280908992173115063699304885252324\", \"93319886647068722997200022633181425441882635885200872288796628647582367549006\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2298.978,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T05:02:51Z",
"cyom": false,
"competitive": 0.9928268261808434,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.03,
"bestBid": 0.57,
"bestAsk": 0.6,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 21.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-18T05:00:44.293579Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1635991",
"question": "Michelsen vs. Bellucci: Set 1 Games O/U 8.5",
"conditionId": "0x61e836639e24e2c7bc8afd0d7289240daa6aa183fba560a2a30a5dc022ff8e68",
"slug": "atp-michels-bellucc-2026-03-19-first-set-total-8pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "390.55",
"startDate": "2026-03-18T05:17:36.801926Z",
"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 Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 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 ATP results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.805\", \"0.195\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T05:00:15.773702Z",
"updatedAt": "2026-03-19T21:55:43.879783Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Alex Michelsen vs Mattia Bellucci Set 1 O/U 8.5",
"groupItemThreshold": "2",
"questionID": "0x6d9671f74eb08fe0daa0b1583e519ae3dffe0b02f9d24693512da7474eea1d8e",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 390.55,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"97581273375118453922535859636405098707005282254243401114274141280917927718351\", \"27955599076672636306219102762475451193384640302628818330763594839202773997200\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 390.55,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T05:16:31Z",
"cyom": false,
"competitive": 0.9148921570869833,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.07,
"bestBid": 0.77,
"bestAsk": 0.84,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 8.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-18T05:00:44.295977Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1635992",
"question": "Michelsen vs. Bellucci: Match O/U 22.5",
"conditionId": "0xf7e8c0a97fc2be90759c2f0b6b877f09db1b40402e97292d9a6b7ea14488809c",
"slug": "atp-michels-bellucc-2026-03-19-match-total-22pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "2289.1032",
"startDate": "2026-03-18T05:04:11.450226Z",
"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 Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 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 ATP statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.5\", \"0.5\"]",
"volume": "21.153845",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T05:00:15.862903Z",
"updatedAt": "2026-03-19T21:55:49.461759Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Alex Michelsen vs Mattia Bellucci Match O/U 22.5",
"groupItemThreshold": "1",
"questionID": "0x3e17c60adc02b57ac06eaf7fbabef9185f26ef4c987c77a210e0571a1d2aefc7",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 21.153845,
"liquidityNum": 2289.1032,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"volume24hr": 21.153845,
"volume1wk": 21.153845,
"volume1mo": 21.153845,
"volume1yr": 21.153845,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"64373449201687582015931590372298099448850947523027159873603810319976900161519\", \"65415688570565767214043098934472205385444907057788389935212416166719607336320\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 21.153845,
"volume1wkClob": 21.153845,
"volume1moClob": 21.153845,
"volume1yrClob": 21.153845,
"volumeClob": 21.153845,
"liquidityClob": 2289.1032,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T05:03:05Z",
"cyom": false,
"competitive": 1,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"lastTradePrice": 0.52,
"bestBid": 0.48,
"bestAsk": 0.52,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 22.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-18T05:01:01.641691Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1635993",
"question": "Michelsen vs. Bellucci: Set 1 Games O/U 9.5",
"conditionId": "0xe6d21a93770adfc8cbe09d663262f204a82972b64f0a8ca1422734ee2516fb0f",
"slug": "atp-michels-bellucc-2026-03-19-first-set-total-9pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "1.9138",
"startDate": "2026-03-18T05:15:40.043238Z",
"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 Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 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 ATP results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.52\", \"0.48\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T05:00:15.883668Z",
"updatedAt": "2026-03-19T21:55:42.945297Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Alex Michelsen vs Mattia Bellucci Set 1 O/U 9.5",
"groupItemThreshold": "2",
"questionID": "0xe2cbd4375d55226dbed4bd57c679df9da70a6ea2c62452318dbe6bb17ee3d492",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 1.9138,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"97791554638151495344004207598208329690701762746838822920149753635467603348194\", \"1142189315406087893812910233013311000034621545481918540424925541997380669283\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 1.9138,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T05:14:35Z",
"cyom": false,
"competitive": 0.07996801279488205,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.92,
"bestBid": 0.06,
"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": "2026-03-18T05:01:01.640623Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1635995",
"question": "Michelsen vs. Bellucci: Set 1 Games O/U 10.5",
"conditionId": "0x00ee5f30edfb5b1581a8d902bfb91f06fd92b607eb81bd77fdf0319cd9c3f6c7",
"slug": "atp-michels-bellucc-2026-03-19-first-set-total-10pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "560.1423",
"startDate": "2026-03-18T05:06:51.509972Z",
"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 Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 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 ATP results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.305\", \"0.695\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T05:00:15.988631Z",
"updatedAt": "2026-03-19T21:55:34.664894Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Miami Open: Alex Michelsen vs Mattia Bellucci Set 1 O/U 10.5",
"groupItemThreshold": "2",
"questionID": "0xed820dbde8616d117e3e4edc9703fd27472ffa7674e28ef0478928e4f041161a",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 560.1423,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"22348366408559833871601605398683316287112848582232168738700311478427004034538\", \"37515177833396065586561672214414351295516058318577451129870155909089621875867\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 560.1423,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T05:05:45Z",
"cyom": false,
"competitive": 0.9633679342983069,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.07,
"bestBid": 0.27,
"bestAsk": 0.34,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 10.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-18T05:01:01.64406Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1635501",
"question": "Miami Open: Alex Michelsen vs Mattia Bellucci",
"conditionId": "0xddac2cc280cecf184f19606780f9911e446a374776b6684c03e54472efc0948d",
"slug": "atp-michels-bellucc-2026-03-19",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-26T14:00:00Z",
"liquidity": "20446.1539",
"startDate": "2026-03-18T04:03:36.837347Z",
"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 on the tennis match between Alex Michelsen and Mattia Bellucci in the Miami Open, scheduled for March 19 at 10:00AM ET.\n\nThis market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Mattia Bellucci.\n\nThis market will resolve to 'Mattia Bellucci' if Mattia Bellucci advances against Alex Michelsen.\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": "[\"Alex Michelsen\", \"Mattia Bellucci\"]",
"outcomePrices": "[\"0.67\", \"0.33\"]",
"volume": "10883.396873000002",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-18T04:00:13.376841Z",
"updatedAt": "2026-03-19T21:55:44.253453Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemThreshold": "0",
"questionID": "0xbcc0e8ddb506923338671b3a387ed49376d33ba77cb5cea9998cbc8efe8e0f70",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 10883.396873000002,
"liquidityNum": 20446.1539,
"endDateIso": "2026-03-26",
"startDateIso": "2026-03-18",
"hasReviewedDates": true,
"volume24hr": 7000.379833000002,
"volume1wk": 10883.396873000005,
"volume1mo": 10883.396873000005,
"volume1yr": 10883.396873000005,
"gameStartTime": "2026-03-19 23:30:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"53732104221054286584351796774197655694388480467446819193081358856875715459468\", \"50223526835839583606591112413068279261128689303824333718258717855001937449499\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 7000.379833000002,
"volume1wkClob": 10883.396873000005,
"volume1moClob": 10883.396873000005,
"volume1yrClob": 10883.396873000005,
"volumeClob": 10883.396873000002,
"liquidityClob": 20446.1539,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-18T04:02:31Z",
"cyom": false,
"competitive": 0.9719117504130625,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.02,
"lastTradePrice": 0.68,
"bestBid": 0.66,
"bestAsk": 0.68,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "moneyline",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-18T04:00:33.925556Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
}
],
"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": "2026-03-19T21:56:31.46146Z",
"volume24hr": 4968036.734987,
"volume": 2858455.085848,
"liquidity": 8581876.5288,
"commentCount": 1639,
"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": "2026-03-19",
"startTime": "2026-03-19T23:30:00Z",
"seriesSlug": "atp",
"negRiskAugmented": false,
"pendingDeployment": false,
"deploying": false,
"gameId": 5254792,
"requiresTranslation": false,
"eventMetadata": {
"context_description": "Mattia Bellucci's surging hard-court form anchors his 65% implied probability as trader consensus favorite over Alex Michelsen in this Miami Open first-round clash. The Italian qualifier enters on a high after capturing the Phoenix Challenger title last week—his second Challenger crown of 2024—showcasing aggressive baseline play and a 7-2 record across his past nine hard-court matches. Michelsen, meanwhile, limps in off a second-round exit at Indian Wells, with just a 4-5 ledger in his last nine outings and vulnerability exposed against lefty servers like Bellucci. No injuries mar official reports for either, but the American's home-crowd edge faces the challenger's momentum in this debut head-to-head on fast DecoTurf. Odds reflect crowds' nod to recent results over raw rankings (Michelsen 51st, Bellucci 103rd).",
"context_requires_regen": false,
"context_updated_at": "2026-03-18T05:00:11.211Z",
"league": "Miami Open"
}
}- Michelsen vs. Bellucci: Set 1 Games O/U 8.5Vol —Liq 391End Mar 26, 2026OpenOrder book
- Miami Open: Alex Michelsen vs Mattia BellucciVol 10.9KLiq 20.4KEnd Mar 26, 2026OpenOrder book
- Set 1 Winner: Michelsen vs BellucciVol —Liq 2.3KEnd Mar 26, 2026OpenOrder book
- Michelsen vs. Bellucci: Match O/U 21.5Vol —Liq 2.3KEnd Mar 26, 2026OpenOrder book
- Michelsen vs. Bellucci: Set 1 Games O/U 9.5Vol —Liq 2End Mar 26, 2026OpenOrder book
- Michelsen vs. Bellucci: Match O/U 22.5Vol 21Liq 2.3KEnd Mar 26, 2026OpenOrder book
- Michelsen vs. Bellucci: Match O/U 23.5Vol —Liq 2.4KEnd Mar 26, 2026OpenOrder book
- Set Handicap: Michelsen (-1.5) vs Bellucci (+1.5)Vol 201Liq 1.2KEnd Mar 26, 2026OpenOrder book
- Alex Michelsen vs. Mattia Bellucci: Total Sets O/U 2.5Vol —Liq 2.4KEnd Mar 26, 2026OpenOrder book
- Michelsen vs. Bellucci: Set 1 Games O/U 10.5Vol —Liq 560End Mar 26, 2026OpenOrder book