TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 4:18 AM EST
Opinion
In the upcoming MLB game, scheduled for 2026-07-20 23:10 UTC: If the Baltimore Orioles win, the market will resolve to "Baltimore Orioles". If the Boston Red Sox win, the market will resolve to "Boston Red Sox". The result will be determined based on the final score including any extra innings. 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 officially ends in a tie, this market will resolve 50-50. Resolution Source: https://www.mlb.com/ Note: Opinion will resolve strictly based on the first officially published result from the designated source. Any subsequent revisions will not affect this resolution.
In the upcoming MLB game, scheduled for 2026-07-20 23:10 UTC: If the Baltimore Orioles win, the market will resolve to "Baltimore Orioles". If the Boston Red Sox win, the market will resolve to "Boston Red Sox". The result will be determined based on the final score including any extra innings. 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 officially ends in a tie, this market will resolve 50-50. Resolution Source: https://www.mlb.com/ Note: Opinion will resolve strictly based on the first officially published result from the designated source. Any subsequent revisions will not affect this resolution.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. For this market, comparing the implied probabilities can reveal whether professional bettors and casual traders are aligned or split on the game result. Prediction markets sometimes lead sportsbooks in pricing efficiency, especially when new information emerges.
On Opinion, this market is priced through a continuous order-book mechanism where traders buy and sell shares tied to each outcome. On Opinion, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective probability assigned by active traders; as new money flows in or sentiment shifts, prices adjust in real time. You can place limit or market orders to enter or exit positions, and the spread between bid and ask prices tightens as volume increases, rewarding active participation.
This market resolves around Jul 20, 2026, once the game concludes and the final result is verifiable from credible public sources. The outcome is determined by the official game result recorded by Major League Baseball. No further conditions or tie-breaking rules apply; the market simply confirms which team won the matchup.
Key catalysts include injury reports or roster changes for either team, recent performance trends, and head-to-head historical matchups. Weather conditions at game time, bullpen availability, and starting pitcher performance can shift trader expectations significantly. Breaking news about player health, trades, or lineup adjustments often triggers sharp price moves as informed traders react first. Monitoring team news and expert commentary in the days before the game helps you anticipate how this market may reprice.