National Bank Open: Iva Jovic vs Alina Korneeva

Platform comparison

Market context

Polymarket is pricing this National Bank Open meeting between Iva Jovic and Alina Korneeva at **0% YES**, which implies the contract is effectively saying Jovic will not advance against Korneeva. On the market’s mechanics, traders hold USDC positions on Polygon and the outcome settles via conditional tokens, so the only thing that matters is whether a winner is officially determined under the event rules, not who looked better point-by-point.

That 0% line sits against a live tennis setup that already favours Jovic on paper. Tennis.com lists Jovic as WTA No. 16 and Korneeva as No. 89, while head-to-head trackers show no prior tour-level meetings between them.[10][13] Comparable markets in one-sided women’s draws often compress towards the stronger ranking and season record rather than the abstract title itself; here, third-round hard-court form and ranking gap are doing most of the work, with some feeds already showing Jovic as a heavy favourite before play.[5][7][11]

For traders, the key catalysts are not broad tournament narratives but operational ones: whether the match starts on schedule, whether the National Bank Open order of play shifts, and whether either player is officially withdrawn or retires, because those determine whether the contract resolves to a winner or to 50-50 under the no-result rules. Live match listings were already circulating on Friday, including Flashscore and Sofascore entries, which usually means the market can move sharply if the start time changes, a walkover is announced, or the scoreline turns into a retirement scenario.[1][3][9][16]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track National Bank Open: Iva Jovic vs Alina Korneeva across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi UK. 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.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.