TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 8:00 AM EST
Polymarket
This market tracks whether the Iasi Open tennis match between Anna Bondar and Tamara Zidansek will go over or under 21.5 games total. On Polymarket, the over/under 21.5 outcome is at 100.0%. Resolution will be determined by the official WTA Tennis scores database. Watch for the match completion on July 22, 2026, the resolution date when the final game count will be recorded and the market will settle.
This market refers to the tennis match between Anna Bondar and Tamara Zidansek in the Iasi Open, originally scheduled for July 15, 2026 at 8:00AM ET. This market will resolve to 'Anna Bondar' if Anna Bondar advances against Tamara Zidansek. This market will resolve to 'Tamara Zidansek' if Tamara Zidansek advances against Anna Bondar. 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 beliefs from traders who profit or lose based on accuracy. This market may show odds that differ meaningfully from major sportsbooks, especially as new information surfaces or as the event date approaches. Comparing the two can reveal where professional bettors and prediction market traders disagree on the likely outcome.
On Polymarket, this market is priced through an automated market maker that updates odds continuously as traders buy and sell 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 collective belief of all active traders at any given moment. As volume increases or major developments occur, the odds adjust in real time. You can enter or exit positions at the current market price, and your trades directly influence the next price level, creating a dynamic pricing mechanism that rewards accurate predictions.
This market resolves around Jul 22, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result reported by the tournament organizers and major sports news outlets. Until that time, traders can continue to buy and sell shares as new information emerges. Resolution is automatic once the event is complete and the data is finalized.
Several factors could shift odds significantly before the match takes place. Player injuries, recent form changes, or unexpected withdrawals would trigger sharp repricing. News about court conditions, weather, or scheduling adjustments may also influence trader positioning. Head-to-head records, recent tournament results, and any public statements from the players or their teams could move sentiment. As the match date approaches, increased media coverage and expert commentary often drive volume spikes and volatility in this market.