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, 8:49 AM EST
Kalshi
This market tracks whether the Yokohama DeNA BayStars or Hanshin Tigers will score at least one run during the opening inning of their Japan NPB professional baseball matchup scheduled for July 22, 2026. Early offensive production in the first inning is a common focus for baseball betting.
If either team scores a run in the first inning of the Yokohama DeNA BayStars vs Hanshin Tigers professional Japan NPB baseball game originally scheduled for Jul 22, 2026 at 5:00 AM EDT, then the market resolves to Yes.
Prediction market odds on Kalshi often diverge from traditional sportsbook lines because they reflect real-time trader consensus rather than fixed bookmaker pricing. Sportsbooks adjust lines to balance liability, while prediction markets update continuously as new information emerges—such as lineup changes, weather updates, or injury reports. This market's odds may move faster than sportsbook spreads during the hours leading up to first pitch, giving traders an edge if they spot discrepancies between the two venues. Comparing both sources can reveal where smart money is positioning itself.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell contracts representing yes or no outcomes on whether a run scores in the first inning. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Prices range from 0 to 100, with each point representing a 1% implied probability. As traders place bids and offers, the mid-market price adjusts to reflect the collective view of run-scoring likelihood. Higher prices indicate stronger conviction that a first-inning run will occur, while lower prices suggest the opposite.
This market resolves around Jul 22, 2026, once the game concludes and the first inning result is verifiable from credible public sources. The outcome hinges on whether either team scores at least one run during the opening frame. Once the inning is complete and official box scores confirm the run total, the market settles to reflect the actual result. Traders should monitor game broadcasts and official league updates to track the inning's progress in real time.
Several catalysts can shift odds before first pitch: lineup announcements, starting pitcher confirmation, weather conditions at the stadium, and any last-minute injury reports. Bullpen availability and recent offensive form also influence trader positioning. Once the game begins, each pitch and at-bat in the opening inning directly impacts the market, with base hits, walks, and defensive plays creating sharp price swings. Live game commentary and real-time play-by-play data will be the primary drivers of volatility until the first inning concludes.