TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 21, 11:45 AM EST
Polymarket
This market refers to the tennis match between Mayuka Aikawa and Diana-Ioana Simionescu in the W50 Plovdiv, Qualifying, originally scheduled for September 21, 2026 at 5:30AM ET. This market will resolve to 'Mayuka Aikawa' if Mayuka Aikawa advances against Diana-Ioana Simionescu. This market will resolve to 'Diana-Ioana Simionescu' if Diana-Ioana Simionescu advances against Mayuka Aikawa. 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 Mayuka Aikawa and Diana-Ioana Simionescu in the W50 Plovdiv, Qualifying, originally scheduled for September 21, 2026 at 5:30AM ET. This market will resolve to 'Mayuka Aikawa' if Mayuka Aikawa advances against Diana-Ioana Simionescu. This market will resolve to 'Diana-Ioana Simionescu' if Diana-Ioana Simionescu advances against Mayuka Aikawa. 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.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of each outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders participate and express their views, the price adjusts accordingly, reflecting the aggregated forecast of the crowd. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined solely by supply and demand within Polymarket.
This market resolves around Sep 28, 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 Plovdiv match between Mayuka Aikawa and Diana-Ioana Simionescu. The platform will verify the result against widely available and trusted sources to determine the winning player. Traders holding shares in the correct outcome will be entitled to a payout based on the final market price at the time of resolution.
Several factors could influence the price of this market before Sep 28, 2026. Any news regarding player form, injuries, or changes in playing conditions could shift trader sentiment. Unexpected results in preceding matches for either player, or broader tournament upsets, might also impact the market. Furthermore, significant shifts in public opinion, as reflected in betting patterns or expert analysis, could lead to price adjustments. Monitoring these signals will be key to understanding potential movements in this market.