TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 19, 12:30 PM EST
Polymarket
This market refers to the tennis match between Elena Rybakina and Katie Boulter in the HSBC Championships, originally scheduled for June 12, 2026 at 12:30PM ET. This market will resolve to 'Elena Rybakina' if Elena Rybakina advances against Katie Boulter. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Elena Rybakina. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Elena Rybakina and Katie Boulter in the HSBC Championships, originally scheduled for June 12, 2026 at 12:30PM ET. This market will resolve to 'Elena Rybakina' if Elena Rybakina advances against Katie Boulter. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Elena Rybakina. 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market may show higher or lower implied probabilities than major sportsbooks, depending on whether traders here believe the consensus line undervalues or overvalues each player's chances. Comparing the two can reveal where smart money sees value relative to conventional betting markets.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on one player winning, and the price reflects the collective assessment of all active traders. As new information surfaces—such as player form, injury updates, or head-to-head history—traders adjust their positions, pushing prices up or down. The market price at any moment represents the marginal trader's view of the probability, making it a real-time consensus estimate.
This market resolves around Jun 19, 2026, once the match concludes and the winner is verified against credible public sources. The outcome is determined by the final result of the competition: whichever player wins the match will be confirmed as the correct resolution. No ambiguity exists in determining a winner in tennis, making this a straightforward binary event. Traders should monitor any schedule changes or withdrawals that might affect the event before the deadline.
Several factors could shift odds significantly before the match takes place. Recent tournament performance, injury announcements, or changes in player ranking or form will likely trigger repricing. Head-to-head records and surface-specific strengths matter in tennis, so any tactical analysis or coaching updates may influence trader sentiment. Weather conditions, court surface details, or scheduling adjustments announced closer to the event could also spark trading activity. Major upsets in related tournaments or shifts in player confidence will probably be reflected in real-time price movements.