Hanshin Tigers vs Tokyo Yakult Swallows

This market covers a Nippon Professional Baseball regular-season game between the Hanshin Tigers and the Tokyo Yakult Swallows, originally scheduled for early July 2026. On Polymarket and Kalshi, contracts pay out based on which team wins, with a tie resolving 50-50; Azuro additionally lists a Draw outcome. The event is now closed, with combined volume of about $2,044 across the listing platforms. The Hanshin Tigers are the clear favourite, but the degree of confidence differs sharply by venue. Polymarket priced Hanshin at 99.5%, effectively treating the outcome as decided, while Kalshi had the Tigers at 67.0% and Azuro at 66.2%. Correspondingly, the Tokyo Yakult Swallows sat at just 0.5% on Polymarket versus 32.0% on Kalshi and 32.7% on Azuro. Azuro also carried a 14.9% implied chance of a Draw, which the other two platforms do not offer as a distinct outcome. The cross-platform spread is unusually wide: about 32.5 points on Hanshin and 31.5 points on Tokyo Yakult between Polymarket and the other two books. The takeaway is that Polymarket and Kalshi/Azuro were pricing the same game in materially different information regimes at snapshot time.