TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 6, 2:22 PM EST
Polymarket
This market refers to the tennis match between Kayden Colombo and Matei Chelemen in the US Open Juniors, Boys, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Kayden Colombo' if Kayden Colombo advances against Matei Chelemen. This market will resolve to 'Matei Chelemen' if Matei Chelemen advances against Kayden Colombo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 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 Kayden Colombo and Matei Chelemen in the US Open Juniors, Boys, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Kayden Colombo' if Kayden Colombo advances against Matei Chelemen. This market will resolve to 'Matei Chelemen' if Matei Chelemen advances against Kayden Colombo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 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 where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective prediction. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price indicates the market's assessment of each player's chances of winning, and the volume traded shows the level of interest and conviction behind those predictions. This dynamic pricing ensures the market reflects the most up-to-date information available.
This market resolves around Sep 13, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the US Open Juniors Boys match between Kayden Colombo and Matei Chelemen. The platform will verify the result against established sports news sources and tournament records. This ensures an objective and transparent determination of the winning player, and the market will settle accordingly. Traders should monitor official sources for the final result to understand when the market will be finalized.
Several factors could influence the price of shares in this market leading up to Sep 13, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly impact trader sentiment. Unexpected upsets in earlier rounds of the tournament could also shift expectations. Additionally, analysis from tennis experts or changes in public perception of each player’s chances could drive trading activity. Monitoring these signals will be crucial for understanding potential price movements and making informed trading decisions regarding the US Open Juniors Boys match.