Winston-Salem Open: Arthur Fery vs Cruz Hewitt

Platform comparison

Market context

Arthur Fery’s meeting with Cruz Hewitt at Winston-Salem was played on 25 August and the match has already been completed, so the current 100% YES price no longer reflects live uncertainty. Fery won in straight sets, which means the market’s settlement outcome should now point to Fery rather than a further on-court dependency.[1][7]

That makes the best comparable frame straightforward: this is no longer a pre-match coin toss, but a finished ATP main-draw result on hard court. Hewitt had arrived off a three-set win over Sebastian Gorzny and Fery entered as the seeded player with a bye, a pattern that generally leaves the favourite shorter in market terms even before the first ball is struck.[4][6][14]

For traders still watching the broader event, the only relevant catalysts now are administration rather than tennis: official result publication, any correction to the draw or score record, and whether the market operator applies its settlement rules from the completed match rather than the original scheduled start time. Tournament and scoreboard pages already show the fixture as final, so there is little remaining match-risk unless a later data discrepancy emerges.[1][13][14]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Winston-Salem Open: Arthur Fery vs Cruz Hewitt 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

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.

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%.