TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 22, 10:09 AM EST
Polymarket
This market refers to the tennis match between Filip Jianu and Ivan Ivanov in the Plovdiv 4, originally scheduled for September 21, 2026 at 3:00AM ET. This market will resolve to 'Filip Jianu' if Filip Jianu advances against Ivan Ivanov. This market will resolve to 'Ivan Ivanov' if Ivan Ivanov advances against Filip Jianu. 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 Filip Jianu and Ivan Ivanov in the Plovdiv 4, originally scheduled for September 21, 2026 at 3:00AM ET. This market will resolve to 'Filip Jianu' if Filip Jianu advances against Ivan Ivanov. This market will resolve to 'Ivan Ivanov' if Ivan Ivanov advances against Filip Jianu. 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.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market relies on individuals freely trading and expressing their beliefs. It’s common to see discrepancies between the two, especially before significant events or when there is considerable uncertainty. Analyzing these differences can reveal insights into public perception and potential value opportunities, though remember that both represent probabilities of the same underlying event.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the likelihood of each outcome. As more shares are traded, the price of those shares adjusts, reflecting the changing consensus. 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 implied probability of that outcome occurring. For example, a share priced at 50 represents a 50% chance of that outcome being correct. This dynamic pricing ensures the market reflects the most up-to-date information and collective intelligence of the traders.
This market resolves around Sep 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Plovdiv 4 match between Filip Jianu and Ivan Ivanov. The platform will verify the result against publicly available and reliable sources to determine the winning outcome. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at the time of resolution, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence the price of this market before Sep 28, 2026. Any news regarding the players’ form, injuries, or changes in their training regimes could shift expectations. Unexpected announcements about match conditions or venue changes could also have an impact. Furthermore, significant bets placed by informed traders could signal new information or a change in sentiment, causing the market to react. Overall, any information that alters the perceived probability of either player winning is likely to move the market.