TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 6:40 PM EST
Predict
This event group covers a single MLB game between the Oakland Athletics and Arizona Diamondbacks scheduled for July 22, 2026 at 01:40 UTC (3:40 PM ET). Both prediction platforms are resolving the same binary outcome: which team wins the game, with tie and cancellation protocols specified.
In the upcoming MLB game between the Athletics and Arizona Diamondbacks, scheduled for July 22 at 3:40PM ET: This market will resolve to "Athletics" if the Athletics 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, scheduled for 2026-07-22 01:40 UTC: If the Athletics win, the market will resolve to "Athletics". If the Arizona Diamondbacks win, the market will resolve to "Arizona Diamondbacks". 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 markets and sportsbooks price games differently because they operate under distinct incentive structures. Sportsbooks set odds to balance action and lock in profit margins, while prediction markets reflect pure trader consensus—what participants genuinely believe will happen. Prediction market odds often react faster to breaking news, injury reports, or lineup changes because traders profit directly from accuracy rather than managing liability. Comparing the two can reveal where public perception diverges from market-implied probability, though both sources remain valuable for informed decision-making.
Predict and Opinion operate with distinct user bases, trading mechanics, and liquidity pools, which naturally creates price variations on the same event. Predict and Opinion can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. One platform may attract more casual bettors while the other draws professional traders, leading to different risk assessments. Timing also matters—if new information breaks, one venue may react faster than the other. Additionally, each platform's fee structure and order-matching engine influence how quickly prices converge. Comparing both venues gives you a fuller picture of market uncertainty and can reveal arbitrage opportunities or consensus strength.
Key catalysts include injury announcements, lineup changes, weather conditions, and recent team performance trends. Trades by high-volume or well-known predictors can also shift prices significantly if they signal new information. Public betting action from sportsbooks, breaking news about player availability, and momentum swings in either team's season will influence trader sentiment. Monitor team news feeds and sports media closely—prediction markets react swiftly to developments that affect win probability, often before casual bettors fully price them in.