TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 18, 10:54 PM EST
Kalshi
This market tracks whether the Kansas City Royals will defeat the St. Louis Cardinals in their scheduled professional baseball matchup. On Kalshi, Kansas City winning stands at 97.0%, while St. Louis winning is at 2.0%. The market resolves based on the official result of the game originally scheduled for June 18, 2026 at 7:40 PM EDT, as determined by the resolution source. Watch for the final outcome of the game on June 18, 2026 at 7:40 PM EDT to see how this market settles.
The event resolves based on the final result of the St. Louis vs Kansas City professional baseball game originally scheduled for June 18, 2026 at 7:40 PM EDT. If the game is postponed or delayed, the market remains open and resolves after the rescheduled game concludes, provided the reschedule occurs within two days of the original date. If the game is cancelled entirely or rescheduled to more than two days after the original date, the market resolves to a fair price determined in accordance with standard resolution procedures rather than based on actual game outcome.
Prediction market odds and 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 price outcomes based on trader conviction and real-money risk. This market aggregates beliefs from a diverse group of forecasters rather than professional oddsmakers. Over time, prediction markets have proven competitive with or more accurate than traditional sportsbooks on major sporting events, though short-term gaps can persist. Comparing the two can reveal where public opinion and professional opinion diverge most sharply.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for shares representing each possible outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the marginal probability traders assign to that outcome at any given moment. As new information emerges or sentiment shifts, traders adjust their orders, and the price moves accordingly. You can enter limit or market orders to buy or sell shares, and your position's value fluctuates with the live price until the market resolves.
This market resolves around Jun 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning outcome will be determined by the final result of the matchup as officially recorded. Until that point, traders can continue to buy and sell shares as new developments and analysis emerge. Once the event concludes and the result is verified, the market will settle and shares in the winning outcome will be redeemed at full value.
Key catalysts include team roster updates, injury reports, recent performance trends, and head-to-head historical matchups. Coaching changes, trades, or trades involving star players can shift sentiment significantly. Weather conditions, home-field advantage, and playoff seeding implications may also influence trader positioning. Media narratives and expert analysis often trigger repricing as new consensus emerges. Close to the event date, late-breaking news—such as last-minute injuries or lineup adjustments—typically generates sharp price movement as traders reassess probabilities in real time.