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 match carries a 0% crowd-implied probability for Li, suggesting either extreme confidence in Birrell or minimal trading activity. Nottingham is a grass-court event on the WTA calendar, a surface where preparation and recent match rhythm carry outsized importance. The settlement window extends to 23 June, allowing seven days for the match to conclude; any delay beyond that triggers a 50-50 resolution, as does retirement after play begins.

Historical context matters here: both players occupy the mid-ranking tier where seeding, recent form, and injury status create volatile matchups. Li has competed sporadically at grass-court events, whilst Birrell's record on the surface is similarly inconsistent. The 0% probability likely reflects either incomplete market participation or a significant information advantage favouring Birrell—possibly recent injury news, withdrawal confirmation, or withdrawal from the draw itself. Traders automating conditional orders should monitor WTA entry lists and official draw releases, which typically confirm participation 48–72 hours before the event.

Programmatically, this market requires tracking three dependency layers: official draw confirmation, injury announcements via WTA channels or player social media, and match-day weather (grass courts are weather-sensitive). The tight settlement window means delayed matches become resolution risks; automated systems should flag any postponement notices issued after 16 June. Current odds suggest either a data lag or genuine withdrawal—verification against the official Nottingham draw is the first utility step before committing capital.

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 Polymarket Bot UK, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Bot UK, 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?

Polymarket Bot UK 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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.