TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 11, 11:00 AM EST
Polymarket
This market refers to the tennis match between Madison Brengle and Eryn Cayetano in the ITF Women Sumter, originally scheduled for June 4, 2026 at 11:00AM ET. This market will resolve to 'Madison Brengle' if Madison Brengle advances against Eryn Cayetano. This market will resolve to 'Eryn Cayetano' if Eryn Cayetano advances against Madison Brengle. 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 often diverge from traditional sportsbook lines because they reflect decentralized trader sentiment rather than bookmaker risk management. Sportsbooks adjust odds to balance liability and extract margin, while prediction markets aggregate beliefs from many independent participants. For the Brengle vs Cayetano match, comparing Polymarket implied probabilities to major sportsbook spreads can reveal whether the crowd is more or less confident in either player than professional oddsmakers. These differences highlight unique market perspectives on the ITF Sumter event.
On Polymarket, the ITF Sumter: Madison Brengle vs Eryn Cayetano match is priced through an automated market maker that converts trader orders into real-time probability estimates. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares for each player outcome trade continuously, and the current price reflects the marginal cost of buying or selling one additional share. As traders accumulate positions ahead of Jun 11, 2026, the price adjusts to balance supply and demand. This mechanism ensures transparent, friction-reduced pricing without intermediaries setting odds unilaterally.
The ITF Sumter: Madison Brengle vs Eryn Cayetano market resolves on Jun 11, 2026. Resolution is determined by the official result of the match between Madison Brengle and Eryn Cayetano at the ITF Sumter tournament. The outcome is final once the match concludes and the winner is confirmed by the tournament organizers and relevant tennis authorities. Traders should monitor the event schedule and official ITF announcements to stay informed of any changes or delays that could affect the resolution timeline.
Several factors could shift market odds for this Brengle vs Cayetano matchup. Recent player form, injury reports, head-to-head records, and court surface performance are key catalysts. News about either player's fitness, training updates, or results in warm-up tournaments leading into ITF Sumter can trigger significant repricing. Weather conditions at the venue and draw positioning within the tournament bracket may also influence trader sentiment. Large position accumulation by informed traders could signal shifting confidence in either competitor as the match date approaches.