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: Jun 20, 3:50 AM EST
Kalshi
A Japan NPB regular season baseball game between the Saitama Seibu Lions and Orix Buffaloes scheduled for June 20, 2026. The outcome will be determined by which team wins the matchup.
Resolution is based on the final result of the game as originally scheduled for June 20, 2026 at 1:00 AM EDT. If the game is postponed or delayed, markets remain open and resolve after the rescheduled game concludes within two days. Should the game be cancelled or rescheduled beyond two days, resolution occurs at a fair price per official rules. Tied games resolve at 50/50.
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 prediction markets like this one are driven by traders risking real capital on their beliefs about the outcome. Sportsbooks may adjust faster to sharp money, whereas prediction markets can lag if retail traders dominate. Comparing this market's implied probability to major sportsbook lines can reveal whether professional bettors and prediction market participants agree on the matchup's likely result, or whether one venue sees value the other has missed.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for shares representing each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective belief of all active traders at that moment, with the implied probability derived from the current best bid and ask. As new information surfaces or trader sentiment shifts, the spread narrows or widens and prices move accordingly. This continuous price discovery process means the odds you see are always the result of real traders committing capital, not a fixed line set by a central operator.
This market resolves around Jun 20, 2026, once the matchup concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official final score and result of the game between the two teams. Until that point, traders can continue to buy and sell shares as odds fluctuate with team news, betting patterns, and any other developments that might influence expectations. Resolution is automatic once the event is complete and the winning outcome is clear.
Key catalysts include injury announcements to star players, lineup changes, recent team performance streaks, and head-to-head historical matchups. Weather conditions on game day can also sway outcomes in baseball, affecting ball flight and player comfort. Trading volume spikes often accompany major news, causing sharp price moves as informed traders adjust positions. Public betting trends and late-breaking team updates in the hours before first pitch frequently trigger volatility. Monitoring sports news and team social media in the lead-up to the game can help you anticipate which signals might shift this market most significantly.