TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 13, 12:07 PM EST
Polymarket
This market refers to the tennis match between Sabrina Dias and Lourdes Ayala in the ITF W15 Campos do Jordao Women, originally scheduled for August 13, 2026 at 10:00AM ET. This market will resolve to 'Sabrina Dias' if Sabrina Dias advances against Lourdes Ayala. This market will resolve to 'Lourdes Ayala' if Lourdes Ayala advances against Sabrina Dias. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 Sabrina Dias and Lourdes Ayala in the ITF W15 Campos do Jordao Women, originally scheduled for August 13, 2026 at 10:00AM ET. This market will resolve to 'Sabrina Dias' if Sabrina Dias advances against Lourdes Ayala. This market will resolve to 'Lourdes Ayala' if Lourdes Ayala advances against Sabrina Dias. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 on Polymarket for this market often differ from traditional sportsbook lines due to the decentralized nature of trading. Traders can react faster to new information, which may create sharper or more volatile prices compared to sportsbooks that adjust less frequently. The gap between the two can widen if there’s a sudden change in player form, injuries, or weather conditions affecting the match.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders collectively set the odds through buying and selling shares. The current top outcome’s implied probability reflects the majority view among active participants, and any significant shift in betting activity can quickly adjust those prices. Volume of $1,128 over the last 24 hours shows how much interest is driving price movement.
This market resolves around Aug 20, 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.