Nottingham Open: Ann Li vs Kimberly Birrell

Platform comparison

Active sub-markets

Market context

Ann Li and Kimberly Birrell are scheduled to meet in the opening round of the Nottingham Open on 16 June 2026. The 0% implied probability reflects either minimal trading activity or a strong consensus that this match will not reach settlement as a decisive result. Given the settlement window extends to 23 June, the market allows seven days for the match to conclude; any cancellation, tie, or unresolved outcome beyond that window triggers a 50-50 split.

Historical precedent suggests early-round WTA matches rarely cancel outright, though injury retirements occur in roughly 3–5% of professional fixtures. Li, ranked outside the top 100, faces Birrell, who competes primarily on secondary circuits. Neither player commands the profile to generate significant sportsbook liquidity, meaning traditional betting lines may be unavailable or sparse. The absence of competing odds across major operators could explain why prediction-market participants have effectively abandoned this contract, treating it as too illiquid to price meaningfully.

Traders monitoring this market should track official Nottingham Open draw confirmations and any injury bulletins released by the WTA in the week preceding 16 June. Weather disruptions at the grass-court venue could delay play but are unlikely to cancel it entirely. The critical catalyst remains confirmation that both players remain fit and entered; withdrawal of either competitor before the match begins would shift the resolution path toward the 50-50 outcome, fundamentally altering the value proposition for any position holder.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Best Prediction Markets, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Best Prediction Markets is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on Best Prediction Markets?

Zero. Best Prediction Markets routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.