TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 4:58 AM EST
Opinion
In the upcoming MLB game, scheduled for 2026-07-20 23:40 UTC: If the New York Mets win, the market will resolve to "New York Mets". If the Milwaukee Brewers win, the market will resolve to "Milwaukee Brewers". 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 23:40 UTC: If the New York Mets win, the market will resolve to "New York Mets". If the Milwaukee Brewers win, the market will resolve to "Milwaukee Brewers". 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 pools and incentive structures. Sportsbooks set odds to balance action and protect their margins, while prediction markets like this one are driven by traders seeking profit through accurate forecasting. Comparing this market's implied probability to major sportsbook lines can reveal where the crowd sees value or where consensus differs. Both sources update dynamically, but prediction markets sometimes react faster to breaking news or shift more sharply when new information surfaces.
On Opinion, this market is priced through a continuous order-book mechanism where traders submit buy and sell orders at their chosen prices. On Opinion, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The spread between the highest bid and lowest ask reflects the current uncertainty around the game's outcome. As more traders participate, liquidity typically improves and the spread narrows. Prices adjust in real time based on supply and demand, so the implied probability you see now may shift significantly as game time approaches or as new developments affect team readiness.
This market resolves around Jul 20, 2026, once the game concludes and the result is verified against credible public sources. The outcome is determined by the final score and official result recorded by the relevant sports authority. Until that point, traders can continue to buy and sell shares as odds fluctuate. Resolution is automatic once the event is complete and confirmed, so there is no ambiguity about which team won or whether the game was postponed or cancelled.
Several catalysts can shift odds significantly before the game begins. Roster announcements—such as a star player being ruled out due to injury—often trigger sharp price moves. Weather forecasts, especially for outdoor conditions that favor one team's style of play, can sway traders. Recent team performance, winning or losing streaks, and head-to-head matchup history all influence sentiment. Lineup confirmations released closer to game time typically generate final adjustments. Breaking news about trades, suspensions, or managerial decisions can also reshape expectations and drive trading volume higher as participants reassess their positions.