TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 13, 12:10 AM EST
Kalshi
Multiple Houston Astros and Kansas City Royals players' individual performances in the June 12, 2026 game are tracked across various total base thresholds. Settlement requires each player to start and record at least one plate appearance, with pinch-hit appearances excluded.
This event tracks total bases performance for five players (Bobby Witt Jr., Christian Walker, Jose Altuve, Vinnie Pasquantino, and Yordan Alvarez) across multiple escalating thresholds in the June 12, 2026 Houston vs Kansas City game. For each player, markets resolve based on actual total bases accumulated only if that player is in the starting lineup and records at least one plate appearance. If a player is scratched or not included in the starting lineup, all their markets resolve to fair market price. If a player starts but does not record a plate appearance, their markets also resolve to fair market price. Pinch-hit at-bats do not count toward any threshold. Each player's thresholds (ranging from 2+ to 6+ total bases) resolve independently based on their actual performance.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant pools and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven by traders seeking to profit from accurate forecasting. This market's odds emerge from genuine belief rather than bookmaking spreads, potentially offering sharper pricing on total bases outcomes. Comparing the two can reveal where public perception differs from professional oddsmaking, though both sources provide valuable context for understanding the game's expected trajectory.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing different total bases outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The platform displays bid-ask spreads that tighten or widen based on liquidity and trading volume. Prices move in real time as new orders flow in, reflecting the collective forecast of active participants. Kalshi's transparent pricing model allows traders to see exactly where others are willing to transact, creating an efficient discovery process for the true probability of each outcome.
This market resolves around Jun 13, 2026, once the Houston-Kansas City game concludes and the final total bases count is verifiable from credible public reporting. The outcome is determined by the combined number of bases reached by both teams during the contest, measured against the threshold specified in the market terms. Resolution occurs automatically after official game statistics are confirmed, allowing traders to settle their positions. No further action is required from participants once the event concludes and data is finalized.
Several factors can shift odds in this market before game time and during play. Lineup announcements, injury reports, and weather conditions at the stadium may influence expectations around offensive output and total bases. Starting pitcher performance history and recent team batting trends also drive trader sentiment. During the game itself, early scoring, momentum swings, and in-game substitutions can cause rapid repricing as new information emerges. Breaking news about player availability or field conditions will typically trigger immediate market reactions as traders reassess the likelihood of hitting the specified bases threshold.