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 1, 8:24 AM EST
Kalshi
A Japan Nippon Professional Baseball (NPB) regular season game between the Tokyo Yakult Swallows and Yomiuri Giants scheduled for July 1, 2026. The outcome will be determined by which team wins the matchup.
Resolution is based on the final result of the Tokyo Yakult Swallows vs Yomiuri Giants NPB game scheduled for July 1, 2026 at 5:00 AM EDT. If the game is postponed or delayed, markets remain open and close after the rescheduled game concludes within two days. Should the game be cancelled or rescheduled beyond two days, markets resolve to a fair price per official rules. In the event of a tie, all markets resolve 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 aggregate trader beliefs through continuous price discovery. This market's odds may lead or lag sportsbook lines depending on information flow and trader conviction. Comparing the two can reveal where public sentiment on the Swallows and Giants differs from professional oddsmakers, though both aim to reflect true win probability over time.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and asks to buy or sell outcome shares. 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 per share, with each cent representing a 1% implied probability. As new information emerges—injury reports, weather, recent form—traders adjust their positions, moving the price. The market's price at any moment reflects the consensus probability of the outcome among active participants, updated in real time as trades execute.
This market resolves around Jul 1, 2026, once the game concludes and the result is verifiable from credible public sources. The outcome is determined by the official final score recorded by NPB and confirmed through major sports reporting. No ambiguity typically surrounds regular-season baseball results, making resolution straightforward. Traders should monitor the event schedule and any potential postponements or rescheduling that might affect the resolution timeline.
Key catalysts for this market include lineup announcements, starting pitcher confirmations, and injury updates for both teams. Recent performance streaks, head-to-head historical matchups, and weather forecasts closer to game day can shift trader positioning. Trades by informed participants who have access to team news or advanced analytics often trigger sharp price moves. Media coverage highlighting playoff implications or individual player milestones may also influence sentiment. Monitoring NPB official announcements and Japanese sports news will help traders stay ahead of market-moving information.