TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 5:00 AM EST
Polymarket
This market refers to the tennis match between Julia Grabher and Ekaterina Perelygina in the Kitzbuehel, originally scheduled for July 15, 2026 at 5:00AM 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Julia Grabher and Ekaterina Perelygina in the Kitzbuehel, originally scheduled for July 15, 2026 at 5:00AM 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different trader bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate beliefs from many independent participants with real money at stake. For this market, comparing the prediction market probability to major sportsbook lines can reveal whether one venue views the outcome as more or less likely than the other. Neither is inherently more accurate, but the differences can highlight where consensus is strongest or where sharp disagreement exists.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probabilities. 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 ratio of shares bought and sold determines the odds you see. As more traders back one player, that outcome's price rises and the opposing outcome falls. The mechanism ensures liquidity and allows you to enter or exit positions at transparent, algorithmically determined rates throughout the trading window.
This market resolves around Jul 22, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will reflect which player wins the completed match. Until that date, you can continue trading based on your expectations of the final result. Resolution happens automatically once the event is confirmed, and all positions settle according to the actual winner.
Player form, recent tournament results, head-to-head records, and injury reports are key catalysts that typically shift odds in tennis markets. News about either player's fitness, coaching changes, or performance in warm-up events can trigger significant repricing. Court conditions at Kitzbuehel, weather forecasts, and betting patterns from professional syndicates may also influence trader sentiment. As the match date approaches, late-breaking developments and shifts in public perception can cause sharp moves in this market's probability estimate.