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: Jul 4, 10:50 PM EST
Kalshi
This event tracks strikeouts recorded by starting pitchers during the Philadelphia vs Kansas City baseball game on July 4, 2026. A strikeout occurs when a pitcher records three strikes against a batter.
Settlement is based on pitcher participation status and pitch activity. Pitchers must be designated as starting pitchers and record at least one pitch for the market to settle on actual performance. If a pitcher is scratched or not designated as a starting pitcher, the market resolves to fair market price. Relief appearances do not count toward settlement. If a starting pitcher does not record any pitches, the market also resolves to fair market price. Once these participation criteria are met, settlement is determined by the strikeouts recorded during the game.
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 this market aggregates the genuine beliefs of traders risking real capital. Prediction markets typically incorporate late-breaking information faster and can offer sharper pricing on niche outcomes like strikeout totals, where casual sportsbook bettors may not have strong conviction. Comparing the two can reveal where sophisticated traders see value.
On Kalshi, this market is priced through continuous order-book trading, where buyers and sellers submit bids and offers that determine the real-time odds. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the marginal trade—the last transaction executed—and moves as new information arrives or trader sentiment shifts. Because Kalshi uses cash settlement and regulatory oversight, pricing tends to be transparent and resistant to manipulation, giving you confidence that the odds reflect genuine market belief about strikeout outcomes.
This market resolves around Jul 5, 2026, once the Philadelphia versus Kansas City game concludes and the final strikeout count is verified against credible public sources. The outcome is determined by the actual number of strikeouts recorded in the completed contest. Until that point, the market remains open for trading, and prices will fluctuate based on team news, injury reports, and other factors that traders believe will influence strikeout volume.
Key catalysts include lineup announcements, starting pitcher confirmations, and injury updates for either team. If a strikeout-prone starter is ruled out or a team's batting order shifts significantly, traders will reprice the odds. Weather conditions—wind direction and humidity affect ball carry and can influence strikeout rates—also matter. Late-breaking bullpen news or trades can shift expectations about which relievers will pitch. Real-time game flow, such as early runs or pitching changes, will drive the most dramatic repricing as resolution approaches.