TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 8:04 AM EST
Kalshi
This event group covers a single NPB (Nippon Professional Baseball) matchup between the Fukuoka SoftBank Hawks and Orix Buffaloes scheduled for July 21, 2026 at 5:00 AM EDT. Markets on both Polymarket and Kalshi are betting on the outcome of this game, with resolution tied to the official winner.
In the upcoming NPB game, scheduled for July 21 at 5:00AM ET: If the Fukuoka SoftBank Hawks win, the market will resolve to "Fukuoka SoftBank Hawks". If the Orix Buffaloes win, the market will resolve to "Orix Buffaloes". 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.
Resolution is based on the final result of the Orix Buffaloes vs Fukuoka Hawks Japan NPB game originally scheduled for July 21, 2026 at 5:00 AM EDT. If the game is postponed or delayed, the market remains open and closes after the rescheduled game concludes within two days. Should the game be cancelled or rescheduled beyond two days, the market resolves to a fair price per established rules. In the event of a tie, the market resolves to 50/50.
Prediction markets and sportsbooks use different mechanisms to set odds. Sportsbooks employ professional oddsmakers and adjust lines to balance action and manage risk; prediction markets rely on trader consensus, where participants buy and sell shares to reflect their beliefs about the outcome. Prediction market prices often converge toward sportsbook odds as the event nears, since both respond to the same underlying information. However, prediction markets can diverge when retail traders hold strong convictions or when information asymmetries exist. For this matchup, comparing prices across both venues and against major sportsbooks can reveal where sentiment differs most.
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 attracts different trader demographics, fee structures, and liquidity pools, which can cause temporary price gaps. Polymarket and Kalshi may also have slightly different market designs or settlement mechanics that influence how traders perceive risk. Regulatory environments, user interface preferences, and the timing of large trades can all push prices apart. Additionally, one venue may attract more informed traders on a particular sport, creating an edge. These differences typically narrow closer to resolution as arbitrageurs exploit the spread, but they can persist throughout the event window.
Key catalysts include injury announcements to star players, lineup changes, recent team performance streaks, and head-to-head historical matchups. Weather conditions on game day can also sway odds, particularly for outdoor or weather-sensitive play. Major news about either team's playoff positioning or momentum shifts in the league standings may prompt traders to reassess. Close to game time, late-breaking roster updates or manager statements can trigger sharp moves. Monitoring sports news, official team announcements, and betting market activity across both prediction venues will help you stay ahead of price shifts.