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 5, 5:37 AM EST
Polymarket
This market refers to the tennis match between Nikolaos Koutroubis and Gabriel Martino in the M15 Heraklion, Qualifying, originally scheduled for October 4, 2026 at 8:00AM ET. This market will resolve to 'Nikolaos Koutroubis' if Nikolaos Koutroubis advances against Gabriel Martino. This market will resolve to 'Gabriel Martino' if Gabriel Martino advances against Nikolaos Koutroubis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 18, 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 Nikolaos Koutroubis and Gabriel Martino in the M15 Heraklion, Qualifying, originally scheduled for October 4, 2026 at 8:00AM ET. This market will resolve to 'Nikolaos Koutroubis' if Nikolaos Koutroubis advances against Gabriel Martino. This market will resolve to 'Gabriel Martino' if Gabriel Martino advances against Nikolaos Koutroubis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 18, 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines based on statistical models and expert analysis, while this market allows anyone to trade on their beliefs, potentially leading to more accurate probabilities as new information emerges. It’s common to see discrepancies, especially before a significant amount of trading occurs, as the market aggregates diverse perspectives on the potential result of the Koutroubis vs. Martino match.
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 Koutroubis vs. Martino match. The price of these shares fluctuates based on supply and demand, directly reflecting the collective probability assigned to each possible result. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price movements are driven by new information, trader sentiment, and overall betting activity, offering a dynamic assessment of the match’s potential outcome.
This market resolves around Oct 11, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Koutroubis vs. Martino match, as reported by recognized tennis authorities. The platform will verify the result against these sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for updates as the resolution date approaches.
Several signals could influence trading activity in this market before Oct 11, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly shift probabilities. Unexpected announcements about player strategies or coaching changes might also impact the market. Furthermore, large trading volumes from informed bettors could indicate new information or a change in sentiment regarding the Koutroubis vs. Martino match, causing a noticeable price movement.