TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 20, 3:44 AM EST
Kalshi
This prediction group concerns the outcome of a baseball game between the Tohoku Rakuten Golden Eagles and the Fukuoka SoftBank Hawks. The market resolves to the winning team, with a 50-50 split if the game is canceled or ends in a tie.
In the upcoming NPB game, scheduled for September 20 at 1:00AM ET: If the Tohoku Rakuten Golden Eagles win, the market will resolve to "Tohoku Rakuten Golden Eagles". If the Fukuoka SoftBank Hawks win, the market will resolve to "Fukuoka SoftBank Hawks". 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 Fukuoka Hawks wins the Fukuoka Hawks vs Tohoku Rakuten Golden Eagles Japan NPB game originally scheduled for Sep 20, 2026 at 1:00 AM EDT, then the market resolves to Yes. If Tohoku Rakuten Golden Eagles wins the Fukuoka Hawks vs Tohoku Rakuten Golden Eagles Japan NPB game originally scheduled for Sep 20, 2026 at 1:00 AM EDT, then the market resolves to Yes.
Prediction market odds often reflect a more accurate aggregate of informed opinions than traditional sportsbooks. Sportsbooks may incorporate biases or seek to profit from public perception, while this market incentivizes participants to express their true beliefs. The spread between prediction market probabilities and sportsbook odds can vary significantly, but often prediction markets demonstrate superior forecasting ability, especially closer to the event. This is because traders can continuously update their positions based on new information, leading to efficient price discovery.
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 can occur due to several factors. Different user bases, varying liquidity, and distinct market-making strategies all contribute to potential price divergence. Polymarket currently favors the Tohoku Rakuten Golden Eagles vs. Fukuoka SoftBank Hawks at 99.5%, while Kalshi has not established a clear leading outcome. Furthermore, each platform has its own fee structure and risk management protocols, which can influence trading behavior and, consequently, prices. These differences are normal and reflect the decentralized nature of prediction markets, offering traders opportunities for arbitrage.