Nottingham Open: Ann Li vs Viktorija Golubic

Platform comparison

Active sub-markets

Market context

Polymarket is pricing the Ann Li–Viktorija Golubic contract at **100% YES** on USDC collateralised, Polygon-settled conditional tokens, which means the market is effectively treating Li’s advancement as a foregone conclusion rather than a live two-sided price.[3] On the court, this is the Nottingham Open quarter-final between a seeded player in Li and qualifier Golubic, with TennisTemple noting Li leads their grass-court head-to-head 1-0 while Golubic has already banked four wins this week.[1]

For traders, the useful frame is that near-certain prices on Polymarket are usually a function of event status, not just form: they can reflect a result already posted by the exchange, a walkover, or a market that has moved on a confirmed completion path. Compare that with comparable tennis contracts that stay open until the official outcome is unambiguous; Kalshi’s own tennis rules distinguish between a match that starts, a retirement, and a pre-match cancellation, settling some outcomes at fair price only when the contest never really materialises.[3] In other words, a 100% print here should be checked against whether the exchange has already incorporated a finished result rather than the underlying matchup alone.[3]

The main catalysts are procedural: confirmed start time, any weather or scheduling delay at Nottingham, and whether the fixture has already been played, suspended, or awarded by walkover. Sofascore and Eurosport both listed the match for 19 June at Centre Court in Nottingham, while WTA score pages show both players active in the draw, so a trader should watch for official tournament updates and live scoring status rather than rely on pre-match listings alone.[5][7] Because this market settles on a winner advancing, any late change to completion, retirement, or postponement can matter more than pre-match odds movement, especially with the settlement window extending to 26 June.[3]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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 Kalshi 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?

Kalshi 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.