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 21, 4:00 AM EST
Polymarket
This market refers to the tennis match between Fiona Ferro and Aurora Zantedeschi in the Rome, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Fiona Ferro' if Fiona Ferro advances against Aurora Zantedeschi. This market will resolve to 'Aurora Zantedeschi' if Aurora Zantedeschi advances against Fiona Ferro. 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 Fiona Ferro and Aurora Zantedeschi in the Rome, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Fiona Ferro' if Fiona Ferro advances against Aurora Zantedeschi. This market will resolve to 'Aurora Zantedeschi' if Aurora Zantedeschi advances against Fiona Ferro. 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 pricing mechanisms. Sportsbooks set lines to balance action and protect their margin, while prediction markets are priced by traders responding to real-time information and their own forecasts. This market may show higher or lower implied probabilities than traditional sportsbooks, depending on where traders believe the true likelihood lies. Comparing the two can reveal where consensus differs and highlight potential value opportunities.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares representing each possible outcome, and the price of each share reflects the collective assessment of that outcome's probability. As more capital flows into one side, the price adjusts automatically. This continuous repricing mechanism ensures the market stays responsive to breaking news, player updates, or any other developments that might influence the match result.
This market resolves around Jul 21, 2026, once the Rome match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—whether Ferro or Zantedeschi wins. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless. Resolution typically occurs within hours of the final point, ensuring swift settlement and accurate reflection of what actually happened on court.
Several factors could shift odds before the match begins. Announcements about player injuries, recent form updates, or changes in court conditions may trigger significant repricing. Betting patterns from sharp traders or sudden volume spikes can signal new information entering the market. Weather forecasts, if relevant to outdoor play, or last-minute lineup confirmations could also influence pricing. Additionally, if either player's recent tournament results or head-to-head record gains media attention, traders may adjust their positions accordingly, creating visible price momentum.