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 28, 6:00 AM EST
Polymarket
This market refers to the doubles tennis match between Hidalgo/Tabilo and Nam/Yuzuki in the Estoril Open, originally scheduled for July 21, 2026 at 6:00AM ET. This market will resolve to 'Hidalgo/Tabilo' if the team of Hidalgo/Tabilo advances against Nam/Yuzuki. This market will resolve to 'Nam/Yuzuki' if the team of Nam/Yuzuki advances against Hidalgo/Tabilo. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.
This market refers to the doubles tennis match between Hidalgo/Tabilo and Nam/Yuzuki in the Estoril Open, originally scheduled for July 21, 2026 at 6:00AM ET. This market will resolve to 'Hidalgo/Tabilo' if the team of Hidalgo/Tabilo advances against Nam/Yuzuki. This market will resolve to 'Nam/Yuzuki' if the team of Nam/Yuzuki advances against Hidalgo/Tabilo. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.
Prediction market odds and traditional sportsbook odds often diverge because they operate under different incentive structures. Sportsbooks set lines to balance liability and extract margin, while prediction markets price outcomes based on trader belief and capital allocation. On Polymarket, odds reflect real money at stake from a diverse participant base with no house edge, potentially offering sharper pricing than retail sportsbooks. However, sportsbooks may have faster access to professional sharp money and injury updates. Comparing this market's implied probability to multiple sportsbooks can reveal value opportunities, though prediction market prices tend to converge toward consensus as the event approaches.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the current probability assigned by the market; as traders accumulate positions, the cost to buy additional shares increases, and the cost to sell decreases. Liquidity pools determine the spread between bid and ask prices. Traders profit by correctly predicting the doubles final winner, while losses accrue to those on the wrong side. The continuous pricing model ensures real-time discovery and allows participants to enter or exit positions at transparent, algorithmically determined rates throughout the trading window.
This market resolves around Jul 28, 2026, once the Estoril Open doubles final concludes and the winner is verifiable from credible public reporting. The outcome is determined by which team—Hidalgo/Tabilo or Nam/Yuzuki—wins the match. Resolution occurs after the match result is confirmed through official tournament records or major sports news outlets. Traders holding shares in the winning outcome receive their payout, while those on the losing side forfeit their stake. Early resolution is possible if one team withdraws before play begins, though this scenario is uncommon at professional events.
Several catalysts can shift odds in this market before Jul 28, 2026. Injury reports or withdrawal announcements involving any of the four players will trigger sharp repricing. Recent tournament performance by either team, including warm-up matches or earlier rounds at Estoril, influences trader sentiment. Weather forecasts affecting court conditions and playing style may favor one pairing over the other. Betting syndicate activity and professional sharp money flowing into one side can accelerate price movement. Media coverage highlighting player form, head-to-head records, or coaching changes also drives trader positioning. As the match approaches, odds typically tighten and volatility may spike if new information emerges close to start time.