TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 10:29 PM EST
Kalshi
This market tracks whether San Francisco will win the professional baseball game against Kansas City. On Kalshi, the current probability for San Francisco to win is 89.0%, with Kansas City at 12.0%. The resolution source is the game's result. Watch for the game on July 21, 2026 at 7:40 PM EDT, as this is the event that will determine the market outcome.
This event covers a professional baseball game between San Francisco and Kansas City originally scheduled for July 21, 2026 at 7:40 PM EDT. Each market outcome resolves to Yes if the corresponding team wins the game. If the game is postponed or delayed, markets remain open and close after the rescheduled game concludes within two days. Should the game be cancelled or rescheduled more than two days away, markets resolve to a fair price in accordance with applicable rules.
Prediction market odds and sportsbook odds often diverge because they reflect different mechanisms and participant bases. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate the beliefs of traders who have financial skin in the game. This market's odds represent what informed traders collectively believe will happen, which can differ meaningfully from traditional sportsbook spreads. Over time, prediction markets have shown strong accuracy for major sporting events, though real-time comparisons depend on current market conditions and book adjustments.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing each 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 implied probability; a share trading at 65 cents implies a 65% chance of that outcome occurring. As new orders flow in, prices adjust in real time. Traders profit by buying low and selling high, or by holding shares until resolution. This mechanism ensures prices stay grounded in participant conviction rather than arbitrary spreads.
This market resolves around Jul 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning shares will be determined by which team emerges victorious in the matchup. Until that point, prices will fluctuate based on team news, betting trends, expert analysis, and other signals that traders believe are predictive. Early resolution is possible if circumstances make the outcome certain before the scheduled date.
Key player injuries, trades, or roster changes can shift probabilities significantly. Betting line movements at major sportsbooks often precede prediction market moves, as do shifts in expert consensus and media narratives. Team performance in playoff games, weather forecasts for the event, and public injury reports all influence trader sentiment. Momentum swings—such as a dominant playoff win or a surprising loss—typically trigger sharp repricing. Monitor team news, coaching decisions, and injury updates closely, as these catalysts often drive the largest intraday moves in this market.