TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Completed Match
- Polymarket
Completed Match - Polymarket
1W
News
Positive
Negative
Neutral
Hover marker for details
Vol.
·
Resolved Sep 23, 2026
Closed: Sep 23, 1:16 AM EST
Polymarket
This market refers to the tennis match between Nagi Hanatani and Sayaka Ishii in the W50 Nanao, Main Draw, originally scheduled for September 22, 2026 at 10:00PM ET. This market will resolve to 'Nagi Hanatani' if Nagi Hanatani advances against Sayaka Ishii. This market will resolve to 'Sayaka Ishii' if Sayaka Ishii advances against Nagi Hanatani. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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 Nagi Hanatani and Sayaka Ishii in the W50 Nanao, Main Draw, originally scheduled for September 22, 2026 at 10:00PM ET. This market will resolve to 'Nagi Hanatani' if Nagi Hanatani advances against Sayaka Ishii. This market will resolve to 'Sayaka Ishii' if Sayaka Ishii advances against Nagi Hanatani. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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 reflect a different perspective than those found at traditional sportsbooks. Sportsbooks typically incorporate a 'vig' or commission into their odds, while this market allows traders to directly assess probabilities. It’s common to see discrepancies arise due to differing information sources, market participants, and levels of expertise. If sportsbook odds significantly diverge from those presented here, it could indicate differing opinions on the likely outcome of the Hanatani vs Ishii match, or varying levels of public information.
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 these shares directly reflects the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more shares purchased for a particular outcome, the higher its price rises, and vice versa. This dynamic pricing ensures that the market odds continuously adjust to incorporate new information and changing sentiment among traders regarding the Hanatani vs Ishii match.
This market resolves around Sep 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W50 Nanao match between Nagi Hanatani and Sayaka Ishii. The platform will verify the result against widely available and trusted sources to determine the winning player. Traders will then be able to claim their winnings based on the final outcome of this market.
Several factors could influence the price movement of this market before Sep 30, 2026. Any news regarding player form, injuries, or changes in strategy could significantly shift trader sentiment. Unexpected announcements about the match conditions or venue could also play a role. Furthermore, major shifts in public opinion, as reflected in polls or expert analysis, can impact trading activity and drive price changes. Monitoring these signals will be key to understanding the dynamics of this market for the Hanatani vs Ishii match.