TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 4, 10:50 PM EST
Kalshi
This event tracks home runs hit by individual players during the Philadelphia vs Kansas City baseball game on July 4, 2026. A home run is credited when a batter hits the ball over the outfield fence or otherwise scores on a single hit.
If Bobby Witt Jr. records 1+ home runs in Philadelphia vs Kansas City professional baseball game originally scheduled for Jul 4, 2026 at 8:10 PM EDT, then the market resolves to Yes. If Bobby Witt Jr. records 2+ home runs in Philadelphia vs Kansas City professional baseball game originally scheduled for Jul 4, 2026 at 8:10 PM EDT, then the market resolves to Yes. If Bryce Harper records 1+ home runs in Philadelphia vs Kansas City professional baseball game originally scheduled for Jul 4, 2026 at 8:10 PM EDT, then the market resolves to Yes. If Bryce Harper records 2+ home runs in Philadelphia vs Kansas City professional baseball game originally scheduled for Jul 4, 2026 at 8:10 PM EDT, then the market resolves to Yes. If Kyle Schwarber records 1+ home runs in Philadelphia vs Kansas City professional baseball game originally scheduled for Jul 4, 2026 at 8:10 PM EDT, then the market resolves to Yes. If Kyle Schwarber records 2+ home runs in Philadelphia vs Kansas City professional baseball game originally scheduled for Jul 4, 2026 at 8:10 PM EDT, then the market resolves to Yes. If Kyle Schwarber records 3+ home runs in Philadelphia vs Kansas City professional baseball game originally scheduled for Jul 4, 2026 at 8:10 PM EDT, then the market resolves to Yes. If Trea Turner records 1+ home runs in Philadelphia vs Kansas City professional baseball game originally scheduled for Jul 4, 2026 at 8:10 PM EDT, then the market resolves to Yes. If Trea Turner records 2+ home runs in Philadelphia vs Kansas City professional baseball game originally scheduled for Jul 4, 2026 at 8:10 PM EDT, then the market resolves to Yes.
Prediction market odds and sportsbook odds often diverge because they reflect different trader bases and risk models. Sportsbooks set lines to balance action and protect their margin, while this market is driven by trader consensus on the actual probability of the outcome. Comparing the two can reveal where informed traders see value relative to traditional betting lines, though sportsbook odds may move faster during live events due to higher liquidity and professional market-making.
On Kalshi, this market is priced through an order-book mechanism where traders submit buy and sell orders that determine the bid-ask spread and clearing price. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Prices move as new information emerges—injury reports, lineup changes, or weather updates—and traders adjust their positions accordingly. The continuous pricing model ensures that odds reflect the latest consensus on total home runs, with transparency across all posted orders.
This market resolves around Jul 5, 2026, once the Philadelphia versus Kansas City game concludes and the final home run total is verified. The outcome is confirmed against credible public sources reporting the official box score. Traders holding positions at resolution will be settled based on whether the actual combined home run count falls on the over or under side of the specified threshold.
Key catalysts include lineup announcements, injury updates to star hitters, weather forecasts affecting ball carry distance, and starting pitcher confirmations. Trading volume and sentiment often spike following roster changes or weather alerts that favor or deter home runs. Late-breaking news—such as a player's return from injury or a stadium-specific factor—can shift odds sharply as traders reassess the probability of exceeding the threshold before the first pitch.