TOTAL VOLUME:
$154.8b
24H VOL:
$277,138,640
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,905,404,943
412,077
Markets across
39,838
events
MATCHED EVENTS:
4,526
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 14, 4:13 AM EST
Polymarket
This market refers to the tennis match between Eli Stephenson and Bjorn Swenson in the M15 Lexington, KY, Qualifying, originally scheduled for October 13, 2026 at 10:00AM ET. This market will resolve to 'Eli Stephenson' if Eli Stephenson advances against Bjorn Swenson. This market will resolve to 'Bjorn Swenson' if Bjorn Swenson advances against Eli Stephenson. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Eli Stephenson and Bjorn Swenson in the M15 Lexington, KY, Qualifying, originally scheduled for October 13, 2026 at 10:00AM ET. This market will resolve to 'Eli Stephenson' if Eli Stephenson advances against Bjorn Swenson. This market will resolve to 'Bjorn Swenson' if Bjorn Swenson advances against Eli Stephenson. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Generally, prediction market odds often reflect a wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks may set initial lines based on power rankings and expert analysis, while this market incorporates the collective insight of many individual traders. These differences can stem from varying levels of information, biases, or simply differing interpretations of the same data. It’s common to see discrepancies, especially as new information emerges and impacts the perceived probabilities of each fighter winning.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of each outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate, the market price adjusts to reflect the aggregated sentiment. The total volume traded indicates the level of interest and conviction surrounding the fight, and can influence price movements.
This market resolves around Oct 20, 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 Stephenson vs Swenson fight, as declared by the relevant boxing authorities. The winner of the fight will determine the outcome of this market, and shares will be settled accordingly. Traders should monitor official sources for the final result to understand when and how this market will be finalized.
Several signals could significantly impact this market. Any news regarding injuries to either Stephenson or Swenson would likely cause shifts in the odds. Pre-fight press conferences, weigh-in results, and analysis from boxing experts could also influence trader sentiment. Unexpected changes in betting patterns at traditional sportsbooks might also draw attention and affect trading activity on Polymarket. Ultimately, any information that alters the perceived probability of either fighter winning has the potential to move the market.