TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 4:00 AM EST
Polymarket
This market refers to the tennis match between Sinja Kraus and Caijsa Hennemann in the Bastad, originally scheduled for July 8, 2026 at 4:00AM ET. This market will resolve to 'Sinja Kraus' if Sinja Kraus advances against Caijsa Hennemann. This market will resolve to 'Caijsa Hennemann' if Caijsa Hennemann advances against Sinja Kraus. 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 Sinja Kraus and Caijsa Hennemann in the Bastad, originally scheduled for July 8, 2026 at 4:00AM ET. This market will resolve to 'Sinja Kraus' if Sinja Kraus advances against Caijsa Hennemann. This market will resolve to 'Caijsa Hennemann' if Caijsa Hennemann advances against Sinja Kraus. 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 sportsbook odds often diverge because they serve different purposes and operate under different constraints. Sportsbooks set odds to balance their book and manage risk, incorporating margin and regulatory overhead. Prediction markets, by contrast, aggregate trader beliefs through continuous price discovery, with no built-in spread or house edge. This market's odds reflect what a distributed group of participants collectively believe will happen, whereas a sportsbook's line reflects both probability and business strategy. Over time, prediction markets can reveal where public consensus differs from professional oddsmaking.
On Polymarket, traders set the odds by buying and selling outcome shares in a continuous auction. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share—ranging from $0 to $1—represents the market's implied probability for that outcome. As new information emerges or sentiment shifts, traders adjust their positions, and the price updates in real time. Higher trading volume typically narrows the spread between bid and ask, making prices more reliable. Lower liquidity can widen spreads and create larger gaps between consecutive trades, affecting how efficiently new participants can enter or exit positions.
This market resolves around Jul 15, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will reflect whether the event has been completed as scheduled. Traders holding shares in the winning outcome will receive their payout, while losing positions expire worthless. Until that point, prices will fluctuate based on pre-match analysis, player form, injury reports, and other factors that influence expectations about the final result.
Several catalysts could shift prices before resolution. Player injury announcements or withdrawal news would trigger sharp repricing, as would changes in court conditions or weather forecasts on match day. Recent tournament results, head-to-head records, and ranking updates may prompt traders to reassess probabilities. Media coverage highlighting one player's form or momentum can also sway sentiment. As the match date approaches, any official schedule changes or venue updates could spark trading activity. Real-time match flow—if the event is streamed or live-scored—will drive final price adjustments in the hours leading up to completion.