Quebec City: Jan Choinski vs Taro Daniel

Platform comparison

Market context

Jan Choinski and Taro Daniel are scheduled to meet at the ATP 250 event in Quebec City on 20 August 2026. The 0% implied probability reflects either minimal trading activity or strong conviction that this match will not proceed as scheduled. No material developments have emerged in the past 48 hours to shift positioning, though the settlement window extends to late August, allowing for potential fixture changes or withdrawals typical of late-summer hard-court tournaments.

Choinski, a Polish player ranked outside the top 100, has limited ATP main-draw history and typically competes at Challenger level. Daniel, a Japanese veteran with ATP experience, represents the more established competitor. When lower-ranked players face established touring professionals at ATP events, the favourite typically commands 70–85% implied probability depending on ranking differential and recent form. A 0% reading on Choinski suggests either the market has priced him out entirely or liquidity is too thin to register meaningful positions.

Traders should monitor the official ATP entry list updates and any injury announcements from either player's camp. Quebec City's draw typically finalises in early August. Withdrawal patterns at North American hard-court events often accelerate in the week before play, particularly for players managing injury or fatigue after the US Open swing. Any confirmation of the match proceeding to play would likely trigger repricing toward Daniel, whilst a withdrawal by either player would trigger the 50–50 tie-break clause given the seven-day grace period.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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

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 Prediction Today. 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%.