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 21, 10:59 PM EST
Polymarket
This market refers to the tennis match between Chia Yi Tsao and Miyu Nakashima in the W50 Nanao, Qualifying, originally scheduled for September 21, 2026 at 9:00PM ET. This market will resolve to 'Chia Yi Tsao' if Chia Yi Tsao advances against Miyu Nakashima. This market will resolve to 'Miyu Nakashima' if Miyu Nakashima advances against Chia Yi Tsao. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 Chia Yi Tsao and Miyu Nakashima in the W50 Nanao, Qualifying, originally scheduled for September 21, 2026 at 9:00PM ET. This market will resolve to 'Chia Yi Tsao' if Chia Yi Tsao advances against Miyu Nakashima. This market will resolve to 'Miyu Nakashima' if Miyu Nakashima advances against Chia Yi Tsao. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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.
Prediction market odds often reflect the wisdom of the crowd, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market aggregates diverse opinions. If a significant discrepancy exists between prediction market probabilities and sportsbook implied probabilities, it may indicate that the crowd perceives information differently than the bookmakers, or that one venue has more efficient pricing. It’s valuable to compare both to form a more well-rounded expectation for the outcome of the Chia Yi Tsao vs Miyu Nakashima match.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Chia Yi Tsao vs Miyu Nakashima match. The price of these shares fluctuates based on supply and demand, effectively creating a real-time probability assessment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This means that the price reflects the collective intelligence of the traders on Polymarket, and can shift rapidly as new information becomes available or sentiment changes. The higher the price of a share, the greater the perceived chance of that outcome occurring.
This market resolves around Sep 29, 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 Chia Yi Tsao vs Miyu Nakashima match, as reported by recognized sporting authorities. The platform will verify the result against these sources to determine the winning outcome and distribute payouts accordingly. Traders will have until the resolution time to adjust their positions based on the latest information and their predictions for the match.
Several factors could influence the trading activity in this market before Sep 29, 2026. News regarding player injuries, changes in coaching strategies, or even weather conditions could all shift expectations. Unexpected announcements about either Chia Yi Tsao or Miyu Nakashima’s form or preparation would likely cause price movements. Public sentiment, reflected in social media or expert analysis, can also play a role, as traders react to new information and adjust their predictions accordingly. Any significant development related to the match could trigger increased volume and volatility.