TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 11, 4:10 AM EST
Kalshi
This event group covers a single NPB (Nippon Professional Baseball) matchup between the Chunichi Dragons and Hiroshima Carp scheduled for July 11, 2026 at 1:00 AM EDT. Markets on both Polymarket and Kalshi are betting on the outcome of this game, with different resolution mechanics for edge cases like postponements, cancellations, and ties.
In the upcoming NPB game, scheduled for July 11 at 1:00AM ET: If the Chunichi Dragons win, the market will resolve to "Chunichi Dragons". If the Hiroshima Carp win, the market will resolve to "Hiroshima Carp". 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 game as originally scheduled for July 11, 2026 at 1:00 AM EDT. If the game is postponed or delayed, the market remains open and resolves after the rescheduled game concludes, provided the reschedule occurs within two days of the original date. Should the game be cancelled or rescheduled beyond two days, the market resolves to a fair price per standard procedures. Tied games resolve to 50/50.
On Polymarket, traders use an automated market maker to set prices continuously, while Kalshi employs an order-book model with discrete price levels. 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. Differences also stem from distinct user bases, fee structures, and market depth. Polymarket typically attracts higher volume on major sports events, potentially tightening spreads, whereas Kalshi's order-book design can create pockets of mispricing. Arbitrage traders exploit these gaps, but transaction costs and withdrawal delays often prevent full convergence between platforms.
Key injury announcements, roster changes, or lineup decisions from either team can shift odds significantly. Recent performance trends, head-to-head records, and home-field advantage perceptions also influence trader positioning. Weather conditions and venue factors may emerge as relevant closer to game day. Media coverage, expert predictions, and betting-market activity on external sportsbooks can cascade into this market as traders react to new information. Late-breaking news about player availability or team strategy typically triggers the most dramatic repricing.