Lexington: Sebastian Gorzny vs Borna Gojo

Platform comparison

Market context

Polymarket is pricing the Gorzny–Gojo contract at **100% YES** right now, so the market is effectively treating Borna Gojo as a certain advance on the current information. On Polymarket, that exposure sits on-chain in USDC on Polygon via conditional tokens, so the contract only resolves when the match outcome is known or when the market’s fallback rules are triggered.

That extreme price is consistent with the wider tennis board, where Gojo is listed as the clear favourite in independent previews and book-style odds. Recent market checks show Gojo around 1.25 to 1.36 decimal, while Gorzny is priced much longer, and prediction models from tennis preview sites put Gojo in the low-70s to mid-70s percentage range to win. That does not prove the result, but it explains why Polymarket is already near the ceiling rather than trading around a more balanced line.[3][4][10][12][13]

For traders, the key watchpoints are simple: official draw and start-time updates, any withdrawal news, and whether the fixture is moved or abandoned. The market description matters because if the match is not played, ends level, or is delayed beyond seven days without a winner, it resolves to 50-50 rather than a straight win for either side. Live score listings have already shown the pairing on the Lexington schedule, so the main catalyst is confirmation that play actually begins and is completed under the contract terms.[2][6][5]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Lexington: Sebastian Gorzny vs Borna Gojo 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 Polymarket Alternative UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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%.