TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 10, 8:04 AM EST
Kalshi
This group resolves based on the outcome of a single professional baseball game between the Yokohama BayStars and the Tokyo Yakult Swallows. The market determines which team wins the game, with a 50-50 split resolution if the game is canceled or ends in a tie.
In the upcoming NPB game, scheduled for September 10 at 5:00AM ET: If the Yokohama BayStars win, the market will resolve to "Yokohama BayStars". If the Tokyo Yakult Swallows win, the market will resolve to "Tokyo Yakult Swallows". 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.
If Tokyo Yakult Swallows wins the Tokyo Yakult Swallows vs Yokohama DeNA BayStars Japan NPB game originally scheduled for Sep 10, 2026 at 5:00 AM EDT, then the market resolves to Yes. If Yokohama DeNA BayStars wins the Tokyo Yakult Swallows vs Yokohama DeNA BayStars Japan NPB game originally scheduled for Sep 10, 2026 at 5:00 AM EDT, then the market resolves to Yes.
Prediction market odds, like those found on Polymarket and Kalshi, often reflect the wisdom of the crowd, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and aim to balance action on both sides, incorporating a profit margin. This market, however, is driven by individuals willing to put their capital behind their beliefs. While sportsbooks may initially have different odds, they often adjust as more information becomes available and betting action shifts. Discrepancies can arise from differing information access and the incentive structures of each venue.
Prices on Polymarket and Kalshi can diverge due to several factors. Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform has its own user base, trading fees, and liquidity, which can all influence price discovery. Additionally, differing levels of information awareness among traders on each platform can lead to varied assessments of the likely outcome. While both platforms are tracking the same event, the composition of traders and their access to information may result in distinct probabilities being reflected in the market prices. Current volume is $41,910 across both platforms.