Hagen: Lorenzo Giustino vs Jerome Kym

Platform comparison

Market context

Polymarket’s Hagen contract on Lorenzo Giustino v Jerome Kym is pricing **0% YES** on USDC collateral via Polygon conditional tokens, so the market is effectively saying Giustino advancing is not expected at the current price. The contract settles on the named player if that player advances, but it reverts to 50-50 if the match is not played, ends in a tie, or is delayed more than seven days from the scheduled date without a winner. [2][8]

That near-zero price fits a spot where Kym has the clearer recent edge and the market has already seen the matchup as a live event rather than a speculative one. Tennis stats pages list no prior head-to-head between the pair, while Kym’s recent form has been stronger in this draw, including a straight-sets win over Lorenzo Giustino in the same Hagen event on 6 August. Kym’s broader clay record also looks solid for this level, which helps explain why Giustino-side exposure is being priced out. [3][6][17][18]

For traders, the key catalysts are confirmation that the scheduled meeting actually starts, whether it is moved on the Hagen order of play, and any late withdrawal, retirement or weather delay that could push the contract into its 50-50 fallback. Live-score feeds currently list the match as scheduled for 7 August, and the tournament pages show the surrounding draw progressing normally, which matters because any walkover or abandonment changes settlement far more than pre-match form does. [1][4][5][12]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Hagen: Lorenzo Giustino vs Jerome Kym 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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

UK Frequently Asked Questions

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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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%.