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 25, 11:30 AM EST
Polymarket
This market tracks the outcome of the Paula Badosa versus Tamara Zidansek tennis match at the Iasi Open. Paula Badosa is priced at 100.0% on Polymarket, indicating the market reflects her as the overwhelming favorite in this matchup. Resolution will be determined by the official WTA Tennis scores database. The match was originally scheduled for July 18, 2026, with final resolution expected by July 25, 2026, so watch for the completion of this first-round encounter to settle the market.
This market refers to the tennis match between Paula Badosa and Tamara Zidansek in the Iasi Open, originally scheduled for July 18, 2026 at 11:30AM ET. This market will resolve to 'Paula Badosa' if Paula Badosa advances against Tamara Zidansek. This market will resolve to 'Tamara Zidansek' if Tamara Zidansek advances against Paula Badosa. 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 protect their margin, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market's odds represent a consensus forecast from Polymarket participants, whereas sportsbooks incorporate bookmaking strategy. Comparing the two can reveal where professional bettors and prediction market traders disagree, sometimes highlighting value or consensus blind spots in how the match is priced.
On Polymarket, this market is priced through an automated market maker that adjusts odds continuously as traders buy and sell outcome shares. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the aggregate willingness of traders to hold positions, with higher prices indicating stronger collective confidence. Liquidity providers and active traders on the platform help narrow spreads and keep prices responsive to new information about player form, injuries, or other match-relevant developments.
This market resolves around Jul 25, 2026, once the match concludes and the winner is verifiable from credible public reporting. The outcome is determined by the official result of the tennis match at the Iasi Open. Traders holding shares in the winning outcome will receive their payout after the event is confirmed and the market is settled by the platform.
Several factors can shift odds before the match begins: recent tournament performance and head-to-head records, player injuries or withdrawals, court surface conditions, and pre-match commentary from analysts. Betting action from sharp traders can also drive rapid repricing if new information emerges. Weather delays, changes to the tournament schedule, or unexpected player statements may trigger volatility. As the match date approaches, accumulating trading volume and shifts in implied probability often reflect growing confidence or doubt about one player's chances.