TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 24, 9:15 AM EST
Polymarket
This market refers to the tennis match between Diana Martynov and Ipek Oz in the ITF Women Blois, originally scheduled for June 17, 2026 at 9:15AM ET. This market will resolve to 'Diana Martynov' if Diana Martynov advances against Ipek Oz. This market will resolve to 'Ipek Oz' if Ipek Oz advances against Diana Martynov. 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 Diana Martynov and Ipek Oz in the ITF Women Blois, originally scheduled for June 17, 2026 at 9:15AM ET. This market will resolve to 'Diana Martynov' if Diana Martynov advances against Ipek Oz. This market will resolve to 'Ipek Oz' if Ipek Oz advances against Diana Martynov. 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 serve different purposes and operate under different constraints. Sportsbooks set odds to balance their books and lock in profit margins, while prediction markets are driven by trader consensus and real-money incentives to forecast accurately. For this market, prediction market participants may price in nuanced factors—such as recent head-to-head records, surface-specific performance, or subtle form shifts—that sportsbooks lag in reflecting. Over time, prediction markets tend to converge toward true probabilities as informed traders exploit mispricings, making them a useful benchmark for comparing against traditional betting lines.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker (AMM) system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on one outcome—either Martynov or Oz winning—and the ratio of shares held in the pool determines the current price. As traders accumulate positions, the price adjusts to reflect their collective confidence. The spread between bid and ask prices narrows or widens based on liquidity and trading activity, incentivizing arbitrageurs to keep prices aligned with fundamental expectations about the match result.
This market resolves around Jun 24, 2026, once the ITF Blois match between Martynov and Oz concludes and the result is verified against credible public sources. The outcome is determined by the official match result—either one player wins or the match is voided under tournament rules. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless. Resolution typically occurs within hours of the final point, pending confirmation from the tournament organizers and Polymarket's verification process.
Several catalysts can shift prices before the match concludes. Injury announcements or withdrawal news about either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific form updates often prompt trader repositioning as new data emerges. Court conditions, weather forecasts, and lineup changes can also influence sentiment. Media coverage highlighting one player's momentum or confidence may attract fresh trading activity. Closer to the match date, any last-minute roster adjustments or player statements could accelerate volatility, as traders incorporate late-breaking information into their probability estimates.