TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 22, 3:57 PM EST
Polymarket
This market refers to the tennis match between Stefan Kozlov and Colton Smith in the San Diego 2, originally scheduled for September 21, 2026 at 1:00PM ET. This market will resolve to 'Stefan Kozlov' if Stefan Kozlov advances against Colton Smith. This market will resolve to 'Colton Smith' if Colton Smith advances against Stefan Kozlov. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 Stefan Kozlov and Colton Smith in the San Diego 2, originally scheduled for September 21, 2026 at 1:00PM ET. This market will resolve to 'Stefan Kozlov' if Stefan Kozlov advances against Colton Smith. This market will resolve to 'Colton Smith' if Colton Smith advances against Stefan Kozlov. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the outcome of the Kozlov vs Smith match. As more shares are bought for a particular outcome, its price increases, reflecting a higher implied probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a share directly corresponds to the probability of that outcome occurring, allowing traders to express their views and profit if their predictions are accurate. The current price reflects the collective assessment of all traders participating in this market.
This market resolves around Sep 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 San Diego 2 tennis match between Stefan Kozlov and Colton Smith. The platform will verify the result against widely available and trusted sources to determine the winning player. The outcome will be determined by the official match result, as reported by governing tennis authorities and publicly available records.
Several factors could influence the price of this market before Sep 28, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly shift probabilities. Unexpected announcements about either player's physical condition or tactical approach could also cause movement. Public sentiment, as reflected in social media or expert analysis, might also play a role, although the market is primarily driven by trading activity on Polymarket. Major upsets in other related tennis matches could also indirectly influence trader confidence.