TOTAL VOLUME:
$154.4b
24H VOL:
$235,918,089
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,884,820,873
413,109
Markets across
40,428
events
MATCHED EVENTS:
4,364
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 12, 9:47 AM EST
Polymarket
This market refers to the tennis match between Andrea Guerrieri and Abedallah Shelbayh in the Olbia, originally scheduled for October 12, 2026 at 8:00AM ET. This market will resolve to 'Andrea Guerrieri' if Andrea Guerrieri advances against Abedallah Shelbayh. This market will resolve to 'Abedallah Shelbayh' if Abedallah Shelbayh advances against Andrea Guerrieri. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 26, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Andrea Guerrieri and Abedallah Shelbayh in the Olbia, originally scheduled for October 12, 2026 at 8:00AM ET. This market will resolve to 'Andrea Guerrieri' if Andrea Guerrieri advances against Abedallah Shelbayh. This market will resolve to 'Abedallah Shelbayh' if Abedallah Shelbayh advances against Andrea Guerrieri. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 26, 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market relies on the wisdom of the crowd. If a significant number of traders believe a sportsbook is mispricing the likelihood of a particular outcome in the Guerrieri vs Shelbayh match, the prediction market odds will adjust accordingly. This can create opportunities for informed traders to find value discrepancies between the two.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome of the Guerrieri vs Shelbayh match. The price of these shares directly reflects the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the price will fluctuate, providing a dynamic assessment of the event’s potential results. The current trading volume indicates the level of interest and conviction surrounding each possible outcome.
This market resolves around Oct 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Guerrieri vs Shelbayh match as reported by recognized tennis authorities. The platform will verify the outcome against these sources to determine which outcome will be declared the winner and shares will be paid out accordingly. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence trading activity in this market before Oct 19, 2026. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could significantly shift the odds. Unexpected announcements about either player’s preparation or strategy might also cause movement. Furthermore, large trading volume from informed participants could indicate new information or a change in sentiment regarding the likely winner of the Guerrieri vs Shelbayh match. Monitoring tennis news and analyzing trading patterns will be key.