TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 12:00 PM EST
Polymarket
This market refers to the tennis match between Elina Avanesyan and Petra Marcinko in the Iasi Open, originally scheduled for July 15, 2026 at 12:00PM ET. This market will resolve to 'Elina Avanesyan' if Elina Avanesyan advances against Petra Marcinko. This market will resolve to 'Petra Marcinko' if Petra Marcinko advances against Elina Avanesyan. 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 Elina Avanesyan and Petra Marcinko in the Iasi Open, originally scheduled for July 15, 2026 at 12:00PM ET. This market will resolve to 'Elina Avanesyan' if Elina Avanesyan advances against Petra Marcinko. This market will resolve to 'Petra Marcinko' if Petra Marcinko advances against Elina Avanesyan. 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 are driven by traders risking real capital on their beliefs about the outcome. In this market, the implied probability can move faster or settle at a different level than sportsbook spreads, especially if informed traders spot value. Comparing the two can reveal where the crowd on Polymarket sees opportunity relative to conventional betting venues, though both sources provide useful reference points for assessing match probabilities.
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 cumulative belief of all participants; as more traders back one player, that outcome's price rises and the opposing outcome falls. You can enter or exit at any time by trading against the liquidity pool, and the spread between bid and ask tightens or widens based on recent volume and volatility. This mechanism ensures prices stay responsive to new information throughout the event window.
This market resolves around Jul 22, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by the official winner of the tennis match between the two players. Until that point, traders can continue to buy and sell shares as odds fluctuate based on pre-match developments, live match action if available, and shifting sentiment. Resolution is automatic once the event result is confirmed, and all positions settle according to the final outcome.
Several factors can shift trader positioning before Jul 22, 2026. Injury announcements or fitness updates about either player often trigger sharp repricing, as do recent tournament results or head-to-head records that become relevant. Court surface conditions, weather forecasts, and seeding or ranking changes can also influence perceived match dynamics. Live match developments—if the market supports in-play trading—will drive real-time volatility as one player gains momentum. Media coverage, expert commentary, and betting syndicates entering the market can amplify moves. Any surprise roster or scheduling changes closer to match day may also prompt traders to reassess probabilities.