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: Jul 21, 6:00 AM EST
Polymarket
This market refers to the tennis match between Harmony Tan and Lucie Havlickova in the Istanbul 2, originally scheduled for July 14, 2026 at 6:00AM ET. This market will resolve to 'Harmony Tan' if Harmony Tan advances against Lucie Havlickova. This market will resolve to 'Lucie Havlickova' if Lucie Havlickova advances against Harmony Tan. 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 Harmony Tan and Lucie Havlickova in the Istanbul 2, originally scheduled for July 14, 2026 at 6:00AM ET. This market will resolve to 'Harmony Tan' if Harmony Tan advances against Lucie Havlickova. This market will resolve to 'Lucie Havlickova' if Lucie Havlickova advances against Harmony Tan. 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 reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market may show materially different probabilities than traditional sports betting sites, especially if one venue has sharper information flow or if retail traders dominate one side. Comparing the two can reveal where consensus is strongest or where informed traders see value.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on the ratio of shares held for each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy or sell shares to express their view, and the price updates continuously to reflect the cumulative trading activity. The mechanism incentivizes accurate pricing because traders profit when their predictions prove correct, creating a dynamic that tends to surface credible information about the match.
This market resolves around Jul 21, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by which player wins the match; the market will settle based on the confirmed winner as reported by official tennis authorities and major sports news outlets. Until that point, traders can continue to buy and sell shares as new information and match developments emerge.
Player form, recent tournament results, head-to-head records, and injury reports are key catalysts that can shift market prices. News about court conditions, draw positioning, and momentum from earlier rounds will influence trader sentiment. Betting action from professional syndicates or sharp money can also trigger rapid repricing if they accumulate a large position. Social media discussion and analyst commentary may sway retail traders, creating secondary waves of price movement leading up to match day.