TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 3, 4:30 AM EST
Polymarket
This market refers to the tennis match between Arina Arifullina and Yelyzaveta Chainykova in the ITF Women Monastir, originally scheduled for June 26, 2026 at 4:30AM ET. This market will resolve to 'Arina Arifullina' if Arina Arifullina advances against Yelyzaveta Chainykova. This market will resolve to 'Yelyzaveta Chainykova' if Yelyzaveta Chainykova advances against Arina Arifullina. 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 Arina Arifullina and Yelyzaveta Chainykova in the ITF Women Monastir, originally scheduled for June 26, 2026 at 4:30AM ET. This market will resolve to 'Arina Arifullina' if Arina Arifullina advances against Yelyzaveta Chainykova. This market will resolve to 'Yelyzaveta Chainykova' if Yelyzaveta Chainykova advances against Arina Arifullina. 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 book and manage risk, incorporating a built-in margin. Prediction markets, by contrast, are driven purely by trader supply and demand, with no house edge. This can make prediction markets more efficient at reflecting true probability, especially when traders have strong conviction. However, sportsbooks may have faster access to sharp information or specialized traders, so neither venue consistently outpaces the other. Comparing this market's odds to major sportsbooks can reveal where consensus differs.
On Polymarket, traders set the price by buying and selling outcome shares in an automated market maker (AMM) pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more capital flowing into one outcome, the higher its price rises, and vice versa. Each share represents a claim on a fixed payout if that outcome occurs. Prices update continuously as new trades execute, so the market reflects real-time shifts in trader conviction. Liquidity depth and order flow patterns influence how quickly prices move in response to new information or sentiment changes.
This market resolves around Jul 3, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by the official match result—which player wins the ITF Monastir event. Resolution occurs after the event is complete and the winner is confirmed through established tennis reporting channels. Traders should monitor the event schedule and any official announcements to stay informed of timing or potential postponements that could affect resolution.
Several factors can shift odds before the match concludes. Player injury reports or withdrawal announcements would trigger sharp moves, as would recent tournament results or head-to-head record updates. Court surface conditions, weather forecasts, and player form in the days leading up to the event can all influence trader positioning. Betting activity from professional traders or sharp money often precedes significant price swings. Social media discussion, expert commentary, and any last-minute lineup changes may also prompt traders to reassess probabilities and adjust their positions accordingly.