TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 15, 4:00 AM EST
Polymarket
This market refers to the tennis match between Kayla Day and Mary Stoiana in the Ilkley, originally scheduled for June 8, 2026 at 4:00AM ET. This market will resolve to 'Kayla Day' if Kayla Day advances against Mary Stoiana. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Kayla Day. 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 on Polymarket often diverge from traditional sportsbook lines because they reflect real-time crowd sentiment rather than fixed bookmaker margins. Sportsbooks adjust odds to balance liability; prediction markets price outcomes based on continuous trader activity. For the Ilkley: Kayla Day vs Mary Stoiana event, comparing Polymarket implied probabilities to major sportsbook spreads can reveal whether the crowd is more or less confident than professional oddsmakers. These differences highlight arbitrage opportunities and reveal where public opinion diverges from expert consensus.
On Polymarket, the Ilkley: Kayla Day vs Mary Stoiana event is priced through an automated market maker that converts trader positions into real-time implied probabilities for each outcome. 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 competitor, and the cumulative order flow determines the current odds. As more capital flows toward one outcome, its price rises and the opposing outcome falls. This continuous pricing mechanism means odds shift instantly with new trades, reflecting the latest information and sentiment about Day versus Stoiana.
The Ilkley: Kayla Day vs Mary Stoiana market is scheduled to resolve on Jun 15, 2026. Resolution occurs after the event concludes and the official result is confirmed. The outcome is determined by the final match result between Kayla Day and Mary Stoiana. Once the event is complete and the winner is officially announced, the market will settle based on that determination, and traders holding positions on the correct outcome will receive their payouts.
Several factors could shift odds for Ilkley: Kayla Day vs Mary Stoiana before Jun 15, 2026. Recent performance updates, injury reports, or changes in training status for either competitor could trigger significant repricing. Head-to-head history, current form, and any public statements from the athletes or their teams may influence trader sentiment. Weather conditions, venue specifics, or scheduling changes could also impact perceived advantage. Large trades or sudden order flow imbalances on Polymarket itself can accelerate price movement as traders react to new information or position adjustments.