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: Jul 12, 4:10 PM EST
Polymarket
This event group covers two MLB prediction markets for the July 5, 4:10 PM ET game between the Milwaukee Brewers and Arizona Diamondbacks: a moneyline market (winner determination) and a first-inning run-scoring market. Both markets are listed across Polymarket and Predict platforms with identical resolution criteria.
In the upcoming MLB game between the Milwaukee Brewers and Arizona Diamondbacks, scheduled for July 5 at 4:10PM ET: This market will resolve to "Milwaukee Brewers" if the Milwaukee Brewers win the game. This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks 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.
In the upcoming MLB game between the Milwaukee Brewers and Arizona Diamondbacks, scheduled for July 5 at 4:10PM ET: This market will resolve to "Milwaukee Brewers" if the Milwaukee Brewers win the game. This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks 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.
On Polymarket, traders set prices through order-book mechanics, while Predict uses an automated market maker model—each mechanism responds differently to liquidity and order flow. Polymarket and Predict can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Differences also arise from user base composition, fee structures, and the timing of information arrival on each platform. Smaller trading populations or regional user preferences can cause one venue to lag the other, creating temporary arbitrage opportunities for traders monitoring both simultaneously.
Key catalysts include roster changes, injury announcements affecting starting lineups, recent team performance trends, and head-to-head historical matchups. Weather conditions on game day, bullpen availability, and late-breaking lineup adjustments can all shift trader conviction significantly. Additionally, if either team's playoff positioning or momentum swings sharply in the days before the game, you may see sharp repricing as the market absorbs new information and recalibrates its odds.