TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 27, 7:29 PM EST
Kalshi
This event group contains two distinct markets about the Seattle Mariners vs. Cleveland Guardians MLB game. The 'predict' platform market resolves on the full-game winner, while the 'kalshi' platform market resolves on whether either team scores in the first inning only. These are fundamentally different events with different scopes and timing windows.
If either team scores a run in the first inning of the Seattle vs Cleveland professional baseball game originally scheduled for Jun 27, 2026 at 7:10 PM EDT, then the market resolves to Yes.
In the upcoming MLB game between the Seattle Mariners and Cleveland Guardians, scheduled for June 28 at 1:40PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners 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.
Several catalysts can shift odds before the game begins. Injury announcements affecting key hitters or pitchers will influence run-scoring expectations significantly. Weather updates—particularly wind direction and temperature—impact ball carry and offensive output. Line-up changes or late-inning bullpen adjustments announced closer to game time often trigger repricing. Recent team performance streaks and head-to-head historical trends also drive trader conviction. As game time approaches, any breaking news about player availability or field conditions can create sharp moves. Monitoring sports news feeds and team social media in the hours before first pitch helps traders stay ahead of market shifts.