TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 23, 4:00 AM EST
Polymarket
This event group covers the professional tennis match between Rinky Hijikata and Alejandro Tabilo at the 2026 HSBC Championships (ATP London), scheduled for June 16, 2026 at 4:00 AM ET. Markets span match completion, set winners, game totals across multiple thresholds, and set handicaps.
This market refers to the tennis match between Rinky Hijikata and Alejandro Tabilo in the HSBC Championships, originally scheduled for June 16, 2026 at 4:00AM ET. This market will resolve to 'Rinky Hijikata' if Rinky Hijikata advances against Alejandro Tabilo. This market will resolve to 'Alejandro Tabilo' if Alejandro Tabilo advances against Rinky Hijikata. 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 is based on the total number of completed games across the full match. The match must begin with a ball being played to be considered as occurring; if cancelled before play starts due to injury, walkover, forfeiture, or other reasons, the market resolves to fair price. If the match is postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are settled at fair market price at the Exchange's discretion.
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. Platform differences stem from distinct user bases, fee structures, and market mechanics. Polymarket operates as an automated market maker with continuous liquidity, while Kalshi uses order-book matching, leading to different price discovery speeds and depth. Geographic restrictions, regulatory frameworks, and the timing of large trades can also cause temporary spreads. These gaps typically narrow as arbitrageurs exploit them, but during low-volume periods or around major news, divergences may persist and create trading opportunities.
Key catalysts include recent player performance, head-to-head records, court surface suitability, and injury updates. Tournament seeding, draw position, and momentum from earlier rounds shape trader expectations. Media coverage, expert commentary, and betting flow from casual bettors can trigger sharp repricing. Weather conditions, player fatigue, and last-minute lineup changes closer to match day often drive late volatility. Monitoring player social media, official tournament announcements, and sportsbook line movements provides early signals of shifting market sentiment.