TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 12, 3:54 AM EST
Kalshi
This market tracks the outcome of a Nippon Professional Baseball game between the Yomiuri Giants and the Hanshin Tigers, resolving to whichever team wins. Currently, the consensus probability favors the Yomiuri Giants vs. Hanshin Tigers at 88.5%. This aggregated view combines data from Polymarket and Kalshi, with resolution determined by the official results reported at https://npb.jp/. Be aware that Kalshi’s market is scheduled for a game in 2026, while Polymarket’s is for a game scheduled in 2024; keep an eye on the game originally scheduled for September 12th to see how the markets align as the date approaches.
In the upcoming NPB game, scheduled for September 12 at 1:00AM ET: If the Yomiuri Giants win, the market will resolve to "Yomiuri Giants". If the Hanshin Tigers win, the market will resolve to "Hanshin Tigers". 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 Hanshin Tigers wins the Hanshin Tigers vs Yomiuri Giants Japan NPB game originally scheduled for Sep 12, 2026 at 1:00 AM EDT, then the market resolves to Yes. If Yomiuri Giants wins the Hanshin Tigers vs Yomiuri Giants Japan NPB game originally scheduled for Sep 12, 2026 at 1:00 AM EDT, then the market resolves to Yes.
Prediction market odds, like those found on Polymarket and Kalshi, often reflect a different kind of wisdom than traditional sportsbook odds. Sportsbooks set lines to balance action and incorporate a profit margin, while prediction markets are driven by the collective intelligence of traders who are incentivized to accurately forecast the outcome. This market, in particular, may show divergences from sportsbook lines due to differing information access or interpretations. While sportsbooks may initially lean heavily on statistical models, prediction markets can quickly adapt to new information and changing sentiment, potentially offering a more real-time assessment of probabilities. The current volume of $362,939 suggests growing interest in this market.
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. Price discrepancies between Polymarket and Kalshi on this market can arise from several factors. Each platform attracts a different user base with varying expertise and access to information regarding the Yomiuri Giants and Hanshin Tigers. Trading volume also plays a role; Polymarket currently has a higher volume, which can lead to more efficient price discovery. Additionally, the specific mechanisms for trading and market-making on each platform can influence price formation. It’s also possible that differing opinions on potential rule changes or player injuries are weighted differently by traders on each venue, resulting in distinct probabilities for the eventual champion.