TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 21, 8:36 AM EST
Polymarket
This market refers to the tennis match between Juliana Giaccio and Romy Gravenor in the W15 Villena, Main Draw, originally scheduled for October 21, 2026 at 5:30AM ET. This market will resolve to 'Juliana Giaccio' if Juliana Giaccio advances against Romy Gravenor. This market will resolve to 'Romy Gravenor' if Romy Gravenor advances against Juliana Giaccio. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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 Juliana Giaccio and Romy Gravenor in the W15 Villena, Main Draw, originally scheduled for October 21, 2026 at 5:30AM ET. This market will resolve to 'Juliana Giaccio' if Juliana Giaccio advances against Romy Gravenor. This market will resolve to 'Romy Gravenor' if Romy Gravenor advances against Juliana Giaccio. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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 collective wisdom of a diverse group of bettors, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set initial lines based on their own analyses, while this market’s odds are driven by individuals willing to put their capital behind their beliefs. Discrepancies can arise due to differing information, biases, or simply variations in modeling approaches. It's common to see prediction markets react more quickly to new information than sportsbooks, as traders can instantly adjust their positions.
This market resolves around Oct 28, 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 Villena tennis match between Juliana Giaccio and Romy Gravenor. The platform will verify the winner based on publicly available match results from a trusted source. Traders who correctly predicted the winner will be paid out according to the final market prices at resolution.
Several factors could influence the trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updated performance statistics could shift trader sentiment. Unexpected upsets in other matches involving these players could also impact perceptions of their relative strengths. Furthermore, significant betting activity or large trades on Polymarket itself can create momentum and drive price movements. Monitoring these signals will be key to understanding how this market evolves leading up to Oct 28, 2026.