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: Jun 19, 2:00 PM EST
Polymarket
This market refers to the tennis match between Andrew Johnson and Benjamin O'connell in the ITF Men Los Angeles, originally scheduled for June 12, 2026 at 2:00PM ET. This market will resolve to 'Andrew Johnson' if Andrew Johnson advances against Benjamin O'connell. This market will resolve to 'Benjamin O'connell' if Benjamin O'connell advances against Andrew Johnson. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 Andrew Johnson and Benjamin O'connell in the ITF Men Los Angeles, originally scheduled for June 12, 2026 at 2:00PM ET. This market will resolve to 'Andrew Johnson' if Andrew Johnson advances against Benjamin O'connell. This market will resolve to 'Benjamin O'connell' if Benjamin O'connell advances against Andrew Johnson. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate the beliefs of traders risking real money on outcomes. This market may show odds that differ from traditional sportsbooks, particularly if one venue has sharper or more active trading in tennis futures. Comparing the two can reveal where informed traders see value relative to conventional betting lines.
On Polymarket, traders set the odds by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the collective confidence of all participants; as more traders buy shares predicting one result, that outcome's price rises and its implied probability increases. You can enter or exit positions at any time before the market closes, and the continuous pricing mechanism ensures liquidity and real-time discovery of fair value for this tennis match.
This market resolves around Jun 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning outcome will be determined by the official result of the match between Andrew Johnson and Benjamin O'connell. Once the match concludes and the result is documented, this market will settle accordingly, and traders holding the correct outcome shares will receive their payout.
Several factors may shift odds before Jun 19, 2026: player injuries or withdrawal announcements, recent form and head-to-head records, court surface conditions, and betting action from sharp traders. News about either player's fitness, coaching changes, or performance in lead-up tournaments can trigger rapid repricing. Additionally, large trades by informed participants often signal conviction and can move the market substantially. Monitoring player social media, ATP/ITF news feeds, and betting volume spikes will help you anticipate significant shifts in this market's probability.