TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 11, 8:09 AM EST
Kalshi
This event group covers a single NPB (Nippon Professional Baseball) game between the Chiba Lotte Marines and Orix Buffaloes scheduled for July 11, 2026 at 5:00 AM EDT. Markets on Polymarket and Kalshi both reference the same game outcome, with resolution tied to which team wins the matchup.
In the upcoming NPB game, scheduled for July 11 at 5:00AM ET: If the Chiba Lotte Marines win, the market will resolve to "Chiba Lotte Marines". 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.
This event covers a Japan NPB game scheduled for July 11, 2026 at 5:00 AM EDT between the Orix Buffaloes and Chiba Lotte Marines. Each team has a corresponding market that resolves to Yes if that team wins the game. If the game is postponed or delayed, markets remain open and close after the rescheduled game concludes within two days. If the game is cancelled or rescheduled beyond two days, markets resolve to a fair price per official rules. In the event of a tie, all markets resolve to 50/50.
Prediction market odds and traditional 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 prediction markets are driven by trader conviction and real-money risk. This market's odds may trade at a premium or discount to sportsbook lines depending on which venue has better information flow or deeper liquidity at any given moment. Comparing both sources helps you identify value and understand market sentiment.
Even when tracking the same event, prediction platforms can show different prices due to variations in liquidity, user base composition, and order flow timing. 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 in fee structures, platform design, and regional trader access also contribute to price gaps. Monitoring both venues lets you identify arbitrage opportunities and understand which platform's participants hold stronger conviction on the outcome.
Key catalysts include roster updates, injury announcements, recent team performance trends, and head-to-head historical matchups. Weather conditions and home-field advantage can also shift trader positioning. As game day approaches, betting action from sportsbooks and casual bettors often influences prediction market prices. Live game developments—early scoring, momentum shifts, and in-game injuries—will drive the most dramatic price moves in the final hours before resolution.