TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 26, 4:51 PM EST
Polymarket
This market refers to the tennis match between Spencer Johnson and Tomasz Berkieta in the Sioux Falls, USA, Qualifying, originally scheduled for October 26, 2026 at 1:10PM ET. This market will resolve to 'Spencer Johnson' if Spencer Johnson advances against Tomasz Berkieta. This market will resolve to 'Tomasz Berkieta' if Tomasz Berkieta advances against Spencer Johnson. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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 Spencer Johnson and Tomasz Berkieta in the Sioux Falls, USA, Qualifying, originally scheduled for October 26, 2026 at 1:10PM ET. This market will resolve to 'Spencer Johnson' if Spencer Johnson advances against Tomasz Berkieta. This market will resolve to 'Tomasz Berkieta' if Tomasz Berkieta advances against Spencer Johnson. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market represents the collective wisdom of traders who are incentivized to accurately forecast the outcome. Discrepancies can arise due to differing information sources, biases, or simply varying interpretations of the event's dynamics. It's common to see prediction markets move independently of sportsbook lines, especially as new information becomes available or public sentiment shifts regarding the Sioux Falls boxing match.
This market resolves around Nov 2, 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 boxing match between Spencer Johnson and Tomasz Berkieta in Sioux Falls. The platform will verify the outcome against established sources to ensure accuracy and transparency. Traders who correctly predicted the result will be eligible to receive their payout based on the final share price at the time of resolution for this market.
Several factors could influence the trading activity and price movement of this market before Nov 2, 2026. Any news regarding the fighters' training, health, or potential injuries could significantly impact the odds. Public statements from either fighter or their teams, changes in betting patterns at sportsbooks, and even social media sentiment could all contribute to shifts in the market. Unexpected developments leading up to the Sioux Falls boxing match, such as a late change in venue or a rule modification, could also trigger volatility and alter traders' perceptions.