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 2, 8:00 AM EST
Kalshi
This event group covers the outcome of a single NPB (Nippon Professional Baseball) game between the Nippon Ham Fighters and Orix Buffaloes scheduled for July 2, 2026 at 5:00 AM EDT. Markets on Polymarket and Kalshi both reference this same game and aim to resolve based on which team wins.
In the upcoming NPB game, scheduled for July 2 at 5:00AM ET: If the Nippon Ham Fighters win, the market will resolve to "Nippon Ham Fighters". If the Orix Buffaloes win, the market will resolve to "Orix Buffaloes". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.
Resolution is determined by the final result of the Orix Buffaloes vs Hokkaido Nippon-Ham Fighters Japan NPB game originally scheduled for July 2, 2026 at 5:00 AM EDT. If the game is postponed or delayed, the market remains open and closes after the rescheduled game concludes within two days. Should the game be cancelled or rescheduled beyond two days, the market resolves to a fair price per official rules. In the event of a tied game, the market resolves 50/50.
Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts different trader demographics, operates under distinct regulatory frameworks, and may settle outcomes using independent verification processes. Polymarket and Kalshi also differ in fee structures, minimum trade sizes, and user interface design, all of which influence when and how traders enter or exit positions. Arbitrage opportunities between the two platforms can persist due to friction costs and timing delays. These price gaps typically narrow as informed traders exploit them, but temporary divergence is normal and reflects the decentralized nature of prediction markets.
Key catalysts include roster announcements, injury reports for star players, recent team form and head-to-head records, and weather conditions on game day. Betting action from sharp bettors or large institutional traders can also shift prices rapidly. Live game updates—early leads, momentum swings, or unexpected player performance—will drive intraday volatility. Media coverage and expert commentary may influence retail trader sentiment. Any surprise lineup changes or managerial decisions announced before first pitch could trigger repricing across both platforms.