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: Aug 24, 4:34 PM EST
Polymarket
This market refers to the tennis match between Sophia Santos and Catarina Melleiro in the ITF W35 Barueri Women, Qualifying, originally scheduled for August 24, 2026 at 1:00PM ET. This market will resolve to 'Sophia Santos' if Sophia Santos advances against Catarina Melleiro. This market will resolve to 'Catarina Melleiro' if Catarina Melleiro advances against Sophia Santos. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 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 Sophia Santos and Catarina Melleiro in the ITF W35 Barueri Women, Qualifying, originally scheduled for August 24, 2026 at 1:00PM ET. This market will resolve to 'Sophia Santos' if Sophia Santos advances against Catarina Melleiro. This market will resolve to 'Catarina Melleiro' if Catarina Melleiro advances against Sophia Santos. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 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, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders manually set prices through buying and selling shares, which determines the visible odds. The current top outcome reflects collective wisdom and recent activity, with the chance percentage showing the implied probability from share prices. As the match approaches, any shifts in perception — like performance updates or lineup changes — can cause rapid adjustments in how this market is priced on the platform.
This market resolves around Aug 31, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will update the market accordingly based on that verified information.
Injuries, weather delays, or last-minute player changes could shift this market significantly before resolution. Updates from practice sessions, recent form, or even psychological factors influencing player confidence may cause traders to adjust their positions. Any news that alters perceptions of competitiveness can lead to noticeable movements in the odds as the match nears.