TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 10, 12:15 PM EST
Polymarket
This market refers to the tennis match between Sofia Shapatava and Kylie Collins in the ITF Women Sumter, originally scheduled for June 3, 2026 at 12:15PM ET. This market will resolve to 'Sofia Shapatava' if Sofia Shapatava advances against Kylie Collins. This market will resolve to 'Kylie Collins' if Kylie Collins advances against Sofia Shapatava. 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 on Polymarket reflect decentralized trader consensus and often diverge from traditional sportsbook lines. Sportsbooks apply fixed margins and manage liability across many bettors, while prediction markets aggregate dispersed information from participants with direct financial incentive to price accurately. For the Shapatava vs Collins match, comparing Polymarket probabilities to major sportsbook offerings reveals whether professional oddsmakers and retail traders align on player valuations. Significant gaps may signal mispricing or reflect differences in how each venue weights recent form and head-to-head history.
On Polymarket, the Shapatava vs Collins match is priced as a binary outcome contract reflecting the probability of match completion and final result. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares representing each player, with the contract price directly encoding the market's belief in that outcome. Liquidity and order-book depth determine how easily large trades execute without slippage. The top outcome currently reflects market conviction, and prices update continuously as new trades arrive, allowing real-time discovery of fair value for this ITF Sumter event.
Odds for Shapatava vs Collins may shift in response to recent tournament results, player injury reports, court surface conditions at Sumter, and head-to-head history. Withdrawal announcements or late lineup changes trigger immediate repricing. Real-time match updates—such as set scores, momentum swings, or player fatigue—drive intraday volatility as traders adjust positions. Media coverage highlighting form trends or tactical adjustments also influences sentiment. Accumulating evidence about player fitness and confidence leading into the match window creates natural price discovery on Polymarket.