
SeaHorses Mikawa vs. Diamond Dolphins
Prediction market · Polymarket
Overview
In the upcoming Japan B League game, scheduled for April 11 at 2:05AM ET: If the SeaHorses Mikawa win, the market will resolve to "SeaHorses Mikawa". If the Diamond Dolphins win, the market will resolve to "Diamond Dolphins". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. The result will be determined based on the final score including any overtime periods.
Ticker
bkjpn-sea-dia-2026-04-11
Volume
976
24h volume
976
1w volume
976
Open interest
782
Liquidity
297.9K
Liquidity CLOB
297.9K
Start
Apr 4, 2026
End
Apr 18, 2026
Status
Active
Access
Restricted
Created
Apr 11, 2026
Resolution source
https://www.bleague.jp/en/
Event ID
342382
Slug
bkjpn-sea-dia-2026-04-11
Markets
1
Raw event data
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"slug": "bkjpn-sea-dia-2026-04-11",
"title": "SeaHorses Mikawa vs. Diamond Dolphins",
"description": "In the upcoming Japan B League game, scheduled for April 11 at 2:05AM ET:\nIf the SeaHorses Mikawa win, the market will resolve to \"SeaHorses Mikawa\".\nIf the Diamond Dolphins win, the market will resolve to \"Diamond Dolphins\".\nIf the game is postponed, this market will remain open until the game has been completed.\nIf the game is canceled entirely, with no make-up game, this market will resolve 50-50.\nThe result will be determined based on the final score including any overtime periods.",
"resolutionSource": "https://www.bleague.jp/en/",
"startDate": "2026-04-04T07:36:26.734761Z",
"creationDate": "2026-04-11T06:05:00Z",
"endDate": "2026-04-18T06:05:00Z",
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"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/super+cool+basketball+in+red+and+blue+wow.png",
"active": true,
"closed": false,
"archived": false,
"new": false,
"featured": false,
"restricted": true,
"liquidity": 297908.05256,
"volume": 975.542017,
"openInterest": 782.234387,
"createdAt": "2026-04-04T07:31:07.401774Z",
"updatedAt": "2026-04-11T10:42:37.466183Z",
"competitive": 0.8003199679231757,
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"volume1wk": 975.5420170000001,
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"negRisk": false,
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"markets": [
{
"id": "1857485",
"question": "SeaHorses Mikawa vs. Diamond Dolphins",
"conditionId": "0xd9c3abafd52bbc4c7d7885bf9dcac0aa2dc4480662bfe9c47abed096b134c70e",
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"resolutionSource": "https://www.bleague.jp/en/",
"endDate": "2026-04-18T06:05:00Z",
"liquidity": "297908.05256",
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"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/super+cool+basketball+in+red+and+blue+wow.png",
"description": "In the upcoming Japan B League game, scheduled for April 11 at 2:05AM ET:\nIf the SeaHorses Mikawa win, the market will resolve to \"SeaHorses Mikawa\".\nIf the Diamond Dolphins win, the market will resolve to \"Diamond Dolphins\".\nIf the game is postponed, this market will remain open until the game has been completed.\nIf the game is canceled entirely, with no make-up game, this market will resolve 50-50.\nThe result will be determined based on the final score including any overtime periods.",
"outcomes": "[\"SeaHorses Mikawa\", \"Diamond Dolphins\"]",
"outcomePrices": "[\"0.0005\", \"0.9995\"]",
"volume": "975.542017",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-04T07:31:07.495636Z",
"updatedAt": "2026-04-11T10:41:57.320138Z",
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"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemThreshold": "0",
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"umaResolutionStatus": "proposed",
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"endDateIso": "2026-04-18",
"startDateIso": "2026-04-04",
"hasReviewedDates": true,
"volume24hr": 975.5420170000001,
"volume1wk": 975.5420170000001,
"volume1mo": 975.5420170000001,
"volume1yr": 975.5420170000001,
"gameStartTime": "2026-04-11 06:05:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"40651014310283091214665307931703939843902136227085715726110341423399245634427\", \"24014493768496496734344590319905852699755327312869107167446995495633504600601\"]",
"umaBond": "500",
"umaReward": "2",
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"volume1wkClob": 975.5420170000001,
"volume1moClob": 975.5420170000001,
"volume1yrClob": 975.5420170000001,
"volumeClob": 975.542017,
"liquidityClob": 297908.05256,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-04T07:33:23Z",
"cyom": false,
"competitive": 0.8003199679231757,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 0,
"rewardsMaxSpread": 0,
"spread": 0.001,
"oneDayPriceChange": -0.5145,
"oneWeekPriceChange": -0.4995,
"lastTradePrice": 0.11,
"bestAsk": 0.001,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "moneyline",
"umaResolutionStatuses": "[\"proposed\"]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-04T07:31:25.028416Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
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"rate": 0.03,
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"series": [
{
"id": "11470",
"ticker": "bkjpn",
"slug": "bkjpn",
"title": "Japan B League",
"seriesType": "single",
"recurrence": "daily",
"active": true,
"closed": false,
"archived": false,
"featured": false,
"restricted": true,
"createdAt": "2026-03-27T00:10:24.743429Z",
"updatedAt": "2026-04-11T10:42:45.215548Z",
"volume24hr": 29913.744384999998,
"volume": 20034.878037000002,
"liquidity": 1098835.69993,
"commentCount": 0,
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],
"tags": [
{
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"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,
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{
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"label": "Games",
"slug": "games",
"forceShow": false,
"createdAt": "2024-09-23T22:41:37.670714Z",
"updatedAt": "2026-03-09T22:28:03.358133Z",
"requiresTranslation": false
},
{
"id": "28",
"label": "Basketball",
"slug": "basketball",
"forceShow": false,
"publishedAt": "2023-11-02 21:04:25.152+00",
"createdAt": "2023-11-02T21:04:25.158Z",
"updatedAt": "2026-03-09T22:19:21.448521Z",
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{
"id": "104349",
"label": "Japan B League",
"slug": "bkjpn",
"createdAt": "2026-03-27T00:10:24.836457Z",
"updatedAt": "2026-03-27T00:15:21.847198Z",
"requiresTranslation": false
}
],
"cyom": false,
"showAllOutcomes": true,
"showMarketImages": false,
"enableNegRisk": false,
"automaticallyActive": true,
"eventDate": "2026-04-11",
"startTime": "2026-04-11T06:05:00Z",
"seriesSlug": "bkjpn",
"period": "NS",
"negRiskAugmented": false,
"pendingDeployment": false,
"deploying": false,
"gameId": 4894962,
"requiresTranslation": false,
"eventMetadata": {
"context_description": "Nagoya Diamond Dolphins command near-unanimous trader consensus at 100% implied probability to defeat SeaHorses Mikawa in this B.League matchup at Sky Hall Toyota, driven by their superior 38-12 record atop the Western Conference standings compared to Mikawa's 35-15 mark. Dolphins dominated recent head-to-heads, sweeping January tilts 83-78 and 77-62, highlighting offensive firepower and defensive edge that propelled their late-season surge toward playoffs. Mikawa's home-court advantage offers some counterbalance, but Dolphins' momentum and depth have locked in skin-in-the-game pricing. Realistic disruptors include pre-tipoff injury reports, late scratches to key rotation players, or anomalous shooting slumps in a high-stakes contest.",
"context_requires_regen": true,
"context_updated_at": "2026-04-11T09:59:59.992Z"
},
"teams": [
{
"id": 3270040,
"name": "SeaHorses Mikawa",
"league": "bkjpn",
"record": "0-0",
"logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/SeaHorses Mikawa-19bd49dfff.png",
"abbreviation": "sea",
"createdAt": "2026-04-01T07:31:11.085201Z",
"updatedAt": "2026-04-10T09:00:01.561601Z",
"providerId": 165988,
"color": "#654352"
},
{
"id": 3270041,
"name": "Diamond Dolphins",
"league": "bkjpn",
"record": "0-0",
"logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/Diamond Dolphins-1cc182a97a.png",
"abbreviation": "dia",
"createdAt": "2026-04-01T07:31:11.088915Z",
"updatedAt": "2026-04-09T18:42:28.221844Z",
"providerId": 165989,
"color": "#f39801"
}
]
}- SeaHorses Mikawa vs. Diamond DolphinsVol 976Liq 297.9KEnd Apr 18, 2026OpenOrder book