TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 13, 12:21 AM EST
Polymarket
This market refers to the tennis match between Zhao Zhao and Hiromasa Koyama in the M15 Wuning, Main Draw, originally scheduled for September 12, 2026 at 10:00PM ET. This market will resolve to 'Zhao Zhao' if Zhao Zhao advances against Hiromasa Koyama. This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Zhao Zhao. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Zhao Zhao and Hiromasa Koyama in the M15 Wuning, Main Draw, originally scheduled for September 12, 2026 at 10:00PM ET. This market will resolve to 'Zhao Zhao' if Zhao Zhao advances against Hiromasa Koyama. This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Zhao Zhao. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Often, prediction market odds offer a different perspective than traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market reflects the aggregate wisdom of crowd predictions. Discrepancies can arise due to differing information sources, biases, or simply a larger and more diverse pool of bettors participating in the prediction market. If significant differences exist, it may indicate that the crowd believes a sportsbook is mispricing the probability of a particular outcome in the Zhao Zhao vs Koyama fight.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective assessment of the event. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more shares bought for a particular outcome, the higher its price rises, and vice versa. This dynamic pricing ensures the market accurately reflects the current expectations surrounding the Zhao Zhao vs Koyama fight.
This market resolves around Sep 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Zhao Zhao vs Koyama fight, as declared by the relevant governing body. The platform will verify the result against established sources to ensure accuracy and transparency. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at resolution. The exact payout amount will depend on the volume traded and the price of shares.
Several factors could influence the price of shares in this market before Sep 20, 2026. News regarding fighter injuries, changes in training regimens, or even pre-fight press conference statements could all impact trader sentiment. Unexpected announcements about the fight’s location or rules could also cause shifts in the market. Public opinion, as reflected in polls or expert analysis, might also play a role, though the market is driven by actual trading activity rather than external predictions. Any developments that alter the perceived probability of either fighter winning are likely to move the market.