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, 7:30 AM EST
Polymarket
This market refers to the tennis match between Demi Tran and Zoziya Kardava in the ITF Women Vitoria-Gasteiz, originally scheduled for July 15, 2026 at 7:30AM ET. This market will resolve to 'Demi Tran' if Demi Tran advances against Zoziya Kardava. This market will resolve to 'Zoziya Kardava' if Zoziya Kardava advances against Demi Tran. 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 Demi Tran and Zoziya Kardava in the ITF Women Vitoria-Gasteiz, originally scheduled for July 15, 2026 at 7:30AM ET. This market will resolve to 'Demi Tran' if Demi Tran advances against Zoziya Kardava. This market will resolve to 'Zoziya Kardava' if Zoziya Kardava advances against Demi Tran. 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 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 aggregate beliefs from traders risking real capital. For this market, comparing the implied probability on Polymarket to published sportsbook lines can reveal whether professional oddsmakers and decentralized traders agree on the likely winner. Persistent gaps may signal either market inefficiency or genuine disagreement about match conditions and player form.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the current probability assigned by the market; as traders place orders, the price adjusts dynamically to balance supply and demand. Liquidity and trading volume on the platform determine how easily participants can enter or exit positions, and the spread between buy and sell prices can vary based on market depth and recent trading activity.
This market resolves around Jul 22, 2026, once the match concludes and the winner is verified against credible public sources. The outcome is determined by the official result of the ITF Vitoria-Gasteiz event; whichever player wins the match will be confirmed as the correct prediction. Traders holding shares in the winning outcome receive their payout, while incorrect positions expire worthless. Resolution typically occurs within hours of the final point being played.
Several factors can shift trader sentiment before the match begins. Recent tournament results, player rankings, head-to-head records, and injury reports are key catalysts that influence how the market prices each competitor. Court surface conditions, weather forecasts, and player form in practice sessions may also prompt repricing. News about travel delays, player withdrawals, or coaching changes can trigger sharp moves. As the match start time approaches, late-breaking information and final odds adjustments from sportsbooks often drive additional trading activity on this market.