Nottingham Open: Sara Bejlek vs Karolina Pliskova

Platform comparison

Active sub-markets

Market context

Sara Bejlek, the Czech qualifier, faces Karolina Pliskova in the opening round of the Nottingham Open grass-court tournament on 16 June 2026. Pliskova, a former world number one and two-time Grand Slam finalist, brings significant pedigree to a grass surface where her serve-dominant game has historically thrived. Bejlek, ranked considerably lower, would need to execute a near-flawless performance to upset a player of Pliskova's calibre on a surface that rewards power and consistency.

The 100% implied probability reflects Pliskova's substantial ranking advantage and grass-court record, though such extreme crowding in early-round matches often signals thin liquidity rather than certainty. Historical precedent shows that qualifier upsets at Nottingham occur in roughly 8–12% of first-round matchups, with most occurring when the seeded player is ranked outside the top 50 or carrying injury concerns. Pliskova's recent form and lack of reported physical issues make a Bejlek advance statistically unlikely, though not impossible given the volatility inherent in single-set or best-of-three formats.

Traders monitoring this market should track official Nottingham draw confirmations and any last-minute withdrawal announcements, typically released 48 hours before play. Withdrawal risk remains the primary settlement trigger; delayed or cancelled matches default to 50-50 resolution. For UK-based traders, deposit friction via Klarna or SEPA transfers may affect book depth on lower-liquidity markets like this one. Withdrawal rails—particularly USDC on-chain settlement or faster SEPA rails—tend to correlate with tighter spreads and deeper backing liquidity on grass-court matches where European players dominate the field.

Methodology

We track Nottingham Open: Sara Bejlek vs Karolina Pliskova on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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 Polymarket Deposit 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.

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.

What does it cost to trade on Polymarket Deposit UK?

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

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Deposit UK triggers a quick verification flow that finishes in 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.