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 16, 1:05 PM EST
Kalshi
This market tracks the outcome of the professional tennis match between Ugo Humbert and Marin Cilic at the 2026 HSBC Championships in London. Aggregated across Kalshi and Polymarket, the consensus probability for Humbert to win with a -1.5 set handicap stands at 100.0%, according to the resolution source defining a Yes outcome as Humbert winning after a ball has been played. Watch for the scheduled match on June 15, 2026 at 4:00 AM ET to determine the final result.
This market refers to the tennis match between Ugo Humbert and Marin Cilic in the HSBC Championships, originally scheduled for June 15, 2026 at 4:00AM ET. This market will resolve to 'Ugo Humbert' if Ugo Humbert advances against Marin Cilic. This market will resolve to 'Marin Cilic' if Marin Cilic advances against Ugo Humbert. 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 ATP Tour. A consensus of credible reporting may also be used.
Resolution requires that a ball has been played in the match. If the match does not occur before play begins due to player injury, walkover, forfeiture, or other cancellation, the market resolves to a fair price. If the match is postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks.
Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts different trader demographics, liquidity pools, and risk appetites. Kalshi operates under U.S. regulatory oversight with structured position limits, while Polymarket operates globally with fewer constraints, drawing international capital. Differences in fee structures, user interface design, and marketing also fragment liquidity. Additionally, traders may hold stronger convictions on one venue and concentrate their capital there, or arbitrage opportunities may persist temporarily due to slow order-book synchronization. Monitoring both prices helps you identify mispricings and understand which platform's crowd is more confident in a given outcome.
Key catalysts include recent head-to-head performance, court surface conditions, and player form leading into the tournament. Injury announcements or withdrawal news for either player would trigger sharp repricing. Betting market activity on external sportsbooks can also influence prediction market traders, especially if sharp money moves significantly. Practice session reports, weather forecasts, and seeding announcements may shift sentiment incrementally. Media coverage highlighting one player's momentum or fitness concerns can accelerate price movement. Watch for late-breaking lineup changes or tournament logistics updates that could affect match scheduling or player readiness.