TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 21, 3:03 PM EST
Polymarket
This market refers to the tennis match between Eero Vasa and Matteo Gribaldo in the M25 Santa Margherita di Pula, Main Draw, originally scheduled for October 21, 2026 at 6:30AM ET. This market will resolve to 'Eero Vasa' if Eero Vasa advances against Matteo Gribaldo. This market will resolve to 'Matteo Gribaldo' if Matteo Gribaldo advances against Eero Vasa. 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 Eero Vasa and Matteo Gribaldo in the M25 Santa Margherita di Pula, Main Draw, originally scheduled for October 21, 2026 at 6:30AM ET. This market will resolve to 'Eero Vasa' if Eero Vasa advances against Matteo Gribaldo. This market will resolve to 'Matteo Gribaldo' if Matteo Gribaldo advances against Eero Vasa. 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 traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own modeling and aim to balance action on both sides, while this market is driven by individuals willing to put their capital behind their beliefs. It’s common to see discrepancies between the two, especially early in the market’s life cycle, as information and sentiment evolve. Comparing the two can be a useful exercise in evaluating different perspectives on the likely outcome of the Vasa vs Gribaldo match.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome. The price of a share directly reflects the implied probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective assessment of the event. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price indicates what traders are willing to pay for a share, and therefore their perceived chance of the outcome being correct. This dynamic pricing ensures the market remains responsive to new information and changing sentiment.
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 M25 Santa Margherita di Pula match between Eero Vasa and Matteo Gribaldo. The platform will look to established sports news sources and official tournament records to determine the winner, and settle the market accordingly. Traders should monitor these sources as the resolution date approaches to stay informed about the event’s progress and potential impact on the market.
Several factors could influence the price of this market before it resolves. Any news regarding the players’ form, injuries, or changes in their training regimens could significantly impact trader sentiment. Unexpected upsets in other matches leading up to the event might also cause a reassessment of the players’ chances. Public statements from analysts or experts offering opinions on the matchup could also contribute to price movements. Ultimately, any information that alters perceptions of the relative strengths of Vasa and Gribaldo has the potential to shift the market.