TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 9:14 AM EST
Kalshi
This market covers the spread outcome of a Japan NPB baseball game between the Hokkaido Nippon-Ham Fighters and Saitama Seibu Lions scheduled for July 22, 2026. Bettors can wager on whether either team wins by more than 1.5 or 2.5 runs.
The event resolves based on the final margin of victory in the Hokkaido Nippon-Ham Fighters vs Saitama Seibu Lions Japan NPB game scheduled for July 22, 2026 at 5:00 AM EDT. Resolution outcomes are determined by the run differential at the end of the game. If the Saitama Seibu Lions win, the market resolves Yes for outcomes specifying a Lions victory by more than 1.5 runs or more than 2.5 runs, depending on the specific outcome selected. If the Hokkaido Nippon-Ham Fighters win, the market resolves Yes for outcomes specifying a Fighters victory by more than 1.5 runs or more than 2.5 runs, depending on the specific outcome selected. All other scenarios resolve to No. The official final score as recorded by the Japan NPB determines the outcome.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant pools and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets like this one aggregate beliefs from traders who have real money at stake on outcomes. Prediction markets typically incorporate information more efficiently over time, as traders continuously adjust positions based on new developments. However, sportsbook odds may move faster in the immediate aftermath of breaking news. Comparing this market's odds to major sportsbooks can reveal where the crowd's consensus differs from professional oddsmakers.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Prices range from 0 to 100 cents, representing the implied probability of each side of the spread. When a buyer and seller agree on a price, a trade executes and the market price updates. The spread between the best bid and best ask reflects current liquidity and uncertainty. As game time approaches and new information emerges, traders adjust their positions, causing prices to shift. This continuous repricing ensures the market reflects the latest available information about the matchup.
This market resolves around Jul 22, 2026, once the game concludes and the final spread result is verifiable from credible public sources. The outcome is determined by comparing the final score differential to the spread specified in the market. Traders who correctly predicted whether the Fighters would cover or fail to cover the spread receive their winnings. Resolution typically occurs within hours of game completion, after official final scores are confirmed. Until that point, this market remains active and traders can continue adjusting their positions based on pre-game developments and any late-breaking information.
Several catalysts can shift this market significantly before Jul 22, 2026. Injury announcements to key players on either team often trigger sharp repricing, as do lineup changes or roster updates. Weather conditions, travel delays, or venue-related factors can also influence trader sentiment. Recent team performance, head-to-head matchup history, and momentum shifts in the league may prompt position adjustments. Breaking news about player availability or coaching decisions typically generates trading volume spikes. Additionally, as game time approaches, traders often reassess their confidence levels, leading to natural price convergence toward the true probability of each outcome.