TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 17, 9:55 AM EST
Polymarket
This market refers to the tennis match between Alex Barrena and Samuele Pieri in the Biella, originally scheduled for September 17, 2026 at 4:00AM ET. This market will resolve to 'Alex Barrena' if Alex Barrena advances against Samuele Pieri. This market will resolve to 'Samuele Pieri' if Samuele Pieri advances against Alex Barrena. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 1, 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 Alex Barrena and Samuele Pieri in the Biella, originally scheduled for September 17, 2026 at 4:00AM ET. This market will resolve to 'Alex Barrena' if Alex Barrena advances against Samuele Pieri. This market will resolve to 'Samuele Pieri' if Samuele Pieri advances against Alex Barrena. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 1, 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market represents the collective wisdom of traders who are incentivized to accurately forecast the outcome. Discrepancies can arise due to differing information, biases, or simply the dynamics of each market. It's common to see prediction markets move faster to incorporate new information, potentially offering a more efficient assessment of the likely result.
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 corresponds to 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, the price adjusts to reflect the aggregated sentiment. This dynamic pricing ensures that the market odds are constantly updated based on the latest information and collective intelligence of the participants.
This market resolves around Sep 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Barrena vs Pieri match as reported by the governing sporting body. The platform will verify the result against publicly available information to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence the price of this market before resolution. Any news regarding the players’ form, potential injuries, or changes in playing conditions could significantly shift the odds. Unexpected announcements about team strategies or even weather forecasts impacting the match could also trigger movement. Public sentiment, as reflected in social media or expert analysis, can also play a role, though the market ultimately reflects the conviction of traders on Polymarket.