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 28, 4:00 AM EST
Polymarket
This market refers to the tennis match between Julia Grabher and Ekaterina Perelygina in the ITF Women Amstetten, originally scheduled for July 21, 2026 at 4:00AM ET. This market will resolve to 'Julia Grabher' if Julia Grabher advances against Ekaterina Perelygina. This market will resolve to 'Ekaterina Perelygina' if Ekaterina Perelygina advances against Julia Grabher. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Julia Grabher and Ekaterina Perelygina in the ITF Women Amstetten, originally scheduled for July 21, 2026 at 4:00AM ET. This market will resolve to 'Julia Grabher' if Julia Grabher advances against Ekaterina Perelygina. This market will resolve to 'Ekaterina Perelygina' if Ekaterina Perelygina advances against Julia Grabher. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and 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 the beliefs of traders risking real capital on outcomes. This market may price the match differently than traditional sports betting sites, especially as new information emerges. Comparing the two can reveal where one venue sees value the other has missed, though both aim to reflect underlying probabilities.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price of each share reflects the collective assessment of that outcome's likelihood. As traders buy or sell, the price adjusts dynamically. The current odds represent the marginal trader's view, so large trades can shift the market meaningfully, especially in lower-volume periods.
This market resolves around Jul 28, 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 point, traders can continue to buy and sell shares as new information and match conditions emerge.
Several factors could shift trader sentiment before the match. Recent player form, head-to-head records, court surface preferences, and injury reports are key catalysts. Tournament draws and seeding changes may also influence expectations. Media coverage, betting line movements at traditional sportsbooks, and social media sentiment can amplify price swings. Close to the event date, weather conditions and last-minute lineup confirmations often trigger volatility. Traders monitor all these signals to adjust their positions.