TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 23, 6:40 PM EST
Polymarket
In the upcoming MLB game between the Kansas City Royals and Tampa Bay Rays, scheduled for June 23 at 6:40PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays 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 Kansas City Royals and Tampa Bay Rays, scheduled for June 23 at 6:40PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays 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.
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 protect their margins, while prediction markets aggregate the collective beliefs of traders risking real capital on outcomes. This market's odds may lead or lag sportsbook lines depending on which venue processes new information faster. Comparing the two can reveal where professional bettors and casual traders disagree, offering perspective on consensus strength around the game result.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on one possible result, and the combined price of all outcomes always equals one dollar, ensuring the probabilities sum to 100 percent. As demand shifts, prices adjust dynamically to reflect the latest information and sentiment. Higher trading volume typically narrows spreads and improves price accuracy, while lower activity can widen the gap between bid and ask prices.
This market resolves around Jun 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the official final score and winner of the game as recorded by major sports databases and news sources. Once the game concludes and the result is authenticated, the market will settle automatically, paying out traders who held the winning outcome shares. Early resolution is possible if circumstances prevent the game from being played as scheduled.
Key catalysts include injury announcements to star players, bullpen availability, recent team performance trends, and weather conditions on game day. Lineup changes or unexpected roster moves can shift perceived win probability significantly. Breaking news about player health, trades, or coaching decisions often triggers sharp price movements as traders reassess their positions. Additionally, betting action from professional syndicates or sudden shifts in public sentiment can accelerate momentum in either direction. Monitoring team news and sports commentary in the days leading up to the game helps identify emerging factors that may influence this market's trajectory.