TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 4, 11:00 PM EST
Kalshi
This event tracks the total bases accumulated by individual players during the Philadelphia vs Kansas City baseball game on July 4, 2026. Total bases are calculated by counting singles as one base, doubles as two bases, triples as three bases, and home runs as four bases.
Settlement is based on player participation status and plate appearance activity. Players must be in the starting lineup and record at least one plate appearance for the market to settle on actual performance. If a player is scratched or not in the starting lineup, the market resolves to fair market price. Players who enter the game as pinch hitters do not count toward settlement. If a starting player does not record a plate appearance, the market also resolves to fair market price. Once these participation criteria are met, settlement is determined by the total bases recorded during the game.
Prediction market odds and 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 trader belief and financial risk. Comparing this market's odds to major sportsbooks can reveal whether professional oddsmakers and retail traders agree on the likely total bases outcome, or whether one venue sees edge that the other has missed.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for 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 price of each outcome reflects the collective willingness of buyers and sellers to transact at that level, creating a real-time probability estimate. As new information emerges—lineup changes, injury reports, or betting action—traders adjust their positions, moving prices to reflect updated expectations about the final combined bases total.
This market resolves around Jul 5, 2026, once the Philadelphia-Kansas City game concludes and the final statistics are available. The outcome is determined by the total number of bases earned by both teams combined during the contest, verified against credible public sources. Resolution occurs after the official box score is finalized and confirmed, ensuring accuracy before payouts are distributed to winning traders.
Key catalysts include roster announcements, starting pitcher confirmations, and injury updates for either team's lineup. Weather conditions at game time—wind speed and direction—can significantly affect ball carry and total bases. Betting action from sharp money or sudden shifts in public perception can also drive price movement. Real-time game developments, such as early scoring or momentum swings, will likely trigger repricing as traders adjust their expectations for the final combined bases total.