TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 28, 4:00 AM EST
Polymarket
This market refers to the tennis match between Arantxa Rus and Elina Avanesyan in the Hamburg European Open, originally scheduled for July 21, 2026 at 4:00AM ET. This market will resolve to 'Arantxa Rus' if Arantxa Rus advances against Elina Avanesyan. This market will resolve to 'Elina Avanesyan' if Elina Avanesyan advances against Arantxa Rus. 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 Arantxa Rus and Elina Avanesyan in the Hamburg European Open, originally scheduled for July 21, 2026 at 4:00AM ET. This market will resolve to 'Arantxa Rus' if Arantxa Rus advances against Elina Avanesyan. This market will resolve to 'Elina Avanesyan' if Elina Avanesyan advances against Arantxa Rus. 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 lock in profit margins, while prediction markets aggregate the collective beliefs of traders risking real capital. This market's odds may lead or lag sportsbook lines depending on which venue processes new information faster. Comparing the two can reveal where smart money is positioning itself ahead of the event.
On Polymarket, this market is priced through an automated market maker that calculates 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 purchase shares representing their prediction, and the price adjusts dynamically as the pool of buy and sell orders changes. The current implied probability reflects the aggregate confidence of all active traders. Prices tighten as the event date approaches and more information becomes available.
This market resolves around Jul 28, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the contest. No further conditions apply; the market settles based on the straightforward winner of the event as confirmed through established sports news sources and official tournament records.
Key catalysts include player injury announcements, recent performance trends, head-to-head record updates, and court surface conditions at the Hamburg venue. Withdrawal or late scratches by either competitor would trigger sharp repricing. Media coverage highlighting form, ranking changes, or psychological factors can also shift trader sentiment. Weather forecasts closer to match day and any last-minute lineup adjustments may prompt final adjustments to the odds before the event begins.