| Outcome |  Kalshi |  Polymarket | Spread |
|---|---|---|---|
H Hanshin Tigers vs. Tokyo Yakult Swallows | 1%settled | - | |
T Tokyo Yakult Swallows vs. Hiroshima Carp | - | - | |
S Saitama Seibu Lions vs. Orix Buffaloes | - | - | |
T Tohoku Rakuten Golden Eagles vs. Chiba Lotte Marines | - | - | |
Y Yokohama BayStars vs. Yomiuri Giants | - | - | |
T Tokyo Yakult Swallows vs. Yokohama BayStars | - | - | |
H Hiroshima Carp vs. Hanshin Tigers | - | - | |
S Saitama Seibu Lions vs. Chiba Lotte Marines | - | - | |
O Orix Buffaloes vs. Saitama Seibu Lions | - | - | |
C Chunichi Dragons vs. Yomiuri Giants | 99%settled | - | |
O Orix Buffaloes vs. Nippon Ham Fighters | - | - | |
N Nippon Ham Fighters vs. Fukuoka SoftBank Hawks | - | - | |
C Chunichi Dragons vs. Yokohama BayStars | - | - | |
F Fukuoka SoftBank Hawks vs. Tohoku Rakuten Golden Eagles | - | - | |
F Fukuoka SoftBank Hawks vs. Chiba Lotte Marines | - | - | |
Y Yomiuri Giants vs. Hanshin Tigers | - | - | |
T Tohoku Rakuten Golden Eagles vs. Orix Buffaloes | - | - | |
N Nippon Ham Fighters vs. Saitama Seibu Lions | - | - |
Background, methodology, and platform context
Compare Yomiuri Giants vs Tokyo Yakult Swallows prediction market odds side by side across Polymarket, Kalshi. Platforms show similar odds, with an average spread of just 0.0pp. Close agreement often signals strong market consensus. With $255.3K in combined trading volume across 18 outcomes, this is one of the notable cross-platform prediction markets.
Descriptions normalized for comparison (outcome names replaced with [OUTCOME])
If Yomiuri Giants wins the Yomiuri Giants vs Tokyo Yakult Swallows Japan NPB game originally scheduled for Jul 15, 2026 at 5:00 AM EDT, then the market resolves to Yes.
In the upcoming NPB game, scheduled for August 14 at 5:00AM ET: If the Chunichi Dragons win, the market will resolve to "Chunichi Dragons". If the Yomiuri Giants win, the market will resolve to "Yomiuri Giants". 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. The primary resolution source will be official information from the NPB. A consensus of credible reporting may also be used.
Different platforms may use different resolution criteria, data sources, and settlement timelines.
