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 13, 7:51 AM EST
Polymarket
This market refers to the tennis match between Federico Iannaccone and Filip Jianu in the Catania, originally scheduled for October 13, 2026 at 5:30AM ET. This market will resolve to 'Federico Iannaccone' if Federico Iannaccone advances against Filip Jianu. This market will resolve to 'Filip Jianu' if Filip Jianu advances against Federico Iannaccone. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 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 Federico Iannaccone and Filip Jianu in the Catania, originally scheduled for October 13, 2026 at 5:30AM ET. This market will resolve to 'Federico Iannaccone' if Federico Iannaccone advances against Filip Jianu. This market will resolve to 'Filip Jianu' if Filip Jianu advances against Federico Iannaccone. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 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.
Typically, prediction market odds reflect a wisdom-of-the-crowd perspective, often differing from initial sportsbook offerings. Sportsbooks set lines to balance action and incorporate a profit margin, while this market allows traders to directly express their beliefs about the probability of each player winning. If a significant amount of money flows towards a particular outcome, the odds will adjust accordingly, potentially signaling disagreement with initial sportsbook assessments. It’s common to see prediction markets more accurately forecast outcomes as more information becomes available and more participants contribute to the pricing.
On Polymarket, this market is priced through a continuous trading mechanism where users buy and sell shares representing their belief in the outcome. The price of these shares directly reflects the implied probability of each player winning. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information emerges, the price fluctuates, converging towards a consensus view. The market’s efficiency depends on the volume of trading and the diversity of opinions represented among participants, making it a dynamic indicator of expectations for the Iannaccone vs Jianu match.
This market resolves around Oct 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Iannaccone vs Jianu match, as reported by a recognized tennis authority. The platform will verify the result against these sources to determine which outcome corresponds to the winning shares. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at the time of resolution.
Several factors could influence the price of this market before Oct 20, 2026. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could significantly shift trader sentiment. Unexpected announcements about coaching changes or strategic adjustments could also impact the perceived probabilities. Furthermore, large trading volume from informed participants could trigger price movements, reflecting new information or a change in overall market expectations regarding the Iannaccone vs Jianu match.