Houston Astros vs. Cleveland Guardians

Prediction market · Polymarket
Overview

In the upcoming MLB game between the Houston Astros and Cleveland Guardians, scheduled for April 20 at 6:10PM ET: This market will resolve to "Houston Astros" if the Houston Astros win the game. This market will resolve to "Cleveland Guardians" if the Cleveland Guardians win the game. 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, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Ticker
mlb-hou-cle-2026-04-20
Volume
114
24h volume
114
1w volume
114
Open interest
Liquidity
20.2K
Liquidity CLOB
20.2K
Start
Apr 14, 2026
End
Apr 27, 2026
Status
Active
Access
Restricted
Created
Apr 20, 2026
Resolution source
https://www.mlb.com/
Event ID
378407
Slug
mlb-hou-cle-2026-04-20
Markets
Tags
Sports Games MLB baseball
Raw event data
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  "slug": "mlb-hou-cle-2026-04-20",
  "title": "Houston Astros vs. Cleveland Guardians",
  "description": "In the upcoming MLB game between the Houston Astros and Cleveland Guardians, scheduled for April 20 at 6:10PM ET:\n\nThis market will resolve to \"Houston Astros\" if the Houston Astros win the game.\n\nThis market will resolve to \"Cleveland Guardians\" if the Cleveland Guardians win the game.\n\nIf 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, or ends in a tie, this market will resolve 50-50.\n\nThe primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.",
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  "creationDate": "2026-04-20T22:10:00Z",
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  "openInterest": 88.97,
  "createdAt": "2026-04-14T13:00:17.954454Z",
  "updatedAt": "2026-04-18T03:24:29.510062Z",
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  "volume1wk": 114.32,
  "volume1mo": 114.32,
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  "enableOrderBook": true,
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  "negRisk": false,
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      "description": "In the upcoming MLB game between the Houston Astros and Cleveland Guardians, scheduled for April 20 at 6:10PM ET:\n\nThis market will resolve to \"Houston Astros\" if the Houston Astros win the game.\n\nThis market will resolve to \"Cleveland Guardians\" if the Cleveland Guardians win the game.\n\nIf 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, or ends in a tie, this market will resolve 50-50.\n\nThe primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.",
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      "active": true,
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      "marketMakerAddress": "",
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      "volume1yr": 114.32,
      "gameStartTime": "2026-04-20 22:10:00+00",
      "secondsDelay": 1,
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      "question": "Will there be a run scored in the first inning?: Houston Astros vs. Cleveland Guardians",
      "conditionId": "0x1d39cc6a70cddcbdcd69b7e1d0bb79388278a7494799abe1581ac0498c6ea370",
      "slug": "mlb-hou-cle-2026-04-20-nrfi",
      "resolutionSource": "https://www.mlb.com/scores",
      "endDate": "2026-04-27T22:10:00Z",
      "liquidity": "221.0073",
      "startDate": "2026-04-14T13:02:41.31745Z",
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      "icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/Repetitive-markets/MLB.jpg",
      "description": "In the upcoming MLB game between the Houston Astros and Cleveland Guardians, scheduled for April 20 at 6:10 PM ET:\n\nThis market will resolve to \"Yes\" if at least one run is scored in the 1st inning by either the Houston Astros or Cleveland Guardians.\n\nThis market will resolve to \"No\" if no runs are scored in the 1st inning by either team.\n\nIf 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.\n\nTo know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game.\n\nThe primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.",
      "outcomes": "[\"Yes\", \"No\"]",
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      "active": true,
      "closed": false,
      "marketMakerAddress": "",
      "createdAt": "2026-04-14T13:00:18.160262Z",
      "updatedAt": "2026-04-18T03:23:07.018667Z",
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      "restricted": true,
      "groupItemTitle": "NRFI",
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      "title": "MLB",
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      "recurrence": "daily",
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      "label": "Games",
      "slug": "games",
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  "showAllOutcomes": true,
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  "eventDate": "2026-04-20",
  "startTime": "2026-04-20T22:10:00Z",
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  "eventMetadata": {
    "context_description": "Houston Astros arrive at Progressive Field for a three-game series against the Cleveland Guardians starting April 20, severely hampered by injuries to shortstop Jeremy Peña (10-day IL, hamstring since April 13), starters Hunter Brown (grade 2 shoulder strain), Cristian Javier, and Ronel Blanco (60-day IL, elbow), plus relievers Josh Hader (biceps) and Cody Bolton (back). Astros' thin rotation and bullpen snapped an eight-game losing streak with Spencer Arrighetti's sharp six-inning, 10-strikeout debut in a 15-7 win over the Rockies on April 16, but face Guardians opener Slade Cecconi (0-2, 5.03 ERA). Cleveland sits atop AL Central with a strong .583 win percentage, recent wins including a 9-3 rout of the Cardinals on April 14, bolstered by home-field advantage despite SS Gabriel Arias' hamstring strain.",
    "context_requires_regen": true,
    "context_updated_at": "2026-04-18T02:59:39.023Z"
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      "name": "Houston Astros",
      "league": "mlb",
      "record": "8-12",
      "logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/Houston Astros-240401d51d.png",
      "abbreviation": "hou",
      "alias": "Astros",
      "createdAt": "2025-03-31T18:20:34.051129Z",
      "updatedAt": "2026-03-27T09:00:01.960993Z",
      "providerId": 30,
      "color": "#004AA2"
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      "record": "11-9",
      "logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/cc-ba059d0539.png",
      "abbreviation": "cle",
      "alias": "Guardians",
      "createdAt": "2025-03-31T18:20:34.051129Z",
      "updatedAt": "2026-03-19T12:27:58.013574Z",
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}
Houston Astros vs. Cleveland Guardians
Vol 114Liq 20.0KEnd Apr 27, 2026OpenOrder book
Will there be a run scored in the first inning?: Houston Astros vs. Cleveland Guardians
Vol —Liq 221End Apr 27, 2026OpenOrder book