Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
64% | 36% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
64% | 36% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| National Bank Open: Rafael Jodar vs Arthur Fils Set 1 O/U 8.5 | 64% |
| National Bank Open: Rafael Jodar vs Arthur Fils Match O/U 21.5 | 57% |
| National Bank Open: Rafael Jodar vs Arthur Fils Set 1 O/U 9.5 | 55% |
| National Bank Open: Rafael Jodar vs Arthur Fils | 54% |
| National Bank Open: Rafael Jodar vs Arthur Fils Set 1 Winner | 52% |
| National Bank Open: Rafael Jodar vs Arthur Fils Set 2 Winner | 51% |
| Completed Match | 50% |
| National Bank Open: Rafael Jodar vs Arthur Fils Set 2 O/U 8.5 | 50% |
| National Bank Open: Rafael Jodar vs Arthur Fils Set 2 O/U 9.5 | 50% |
| National Bank Open: Rafael Jodar vs Arthur Fils Set 2 O/U 10.5 | 50% |
| National Bank Open: Rafael Jodar vs Arthur Fils Match O/U 22.5 | 49% |
| National Bank Open: Rafael Jodar vs Arthur Fils Match O/U 23.5 | 43% |
| National Bank Open: Rafael Jodar vs Arthur Fils Total Sets: O/U 2.5 | 41% |
| National Bank Open: Rafael Jodar vs Arthur Fils Set Handicap +/-1.5 | 33% |
| National Bank Open: Rafael Jodar vs Arthur Fils Set Handicap +/-1.5 | 30% |
| National Bank Open: Rafael Jodar vs Arthur Fils Set 1 O/U 10.5 | 29% |
Market context
Arthur Fils and Rafael Jodar are the names to watch in a National Bank Open match that has a live market price implying roughly a coin flip with a slight lean to Fils. The current 54% YES reading is broadly consistent with a matchup that has already split their recent meetings, with one source logging a 1-1 head-to-head and another describing a 1-0 edge for Fils before their latest hard-court meeting, so traders should treat the matchup as materially schedule-dependent rather than one-sided.[1][2][6]
The closest comparable case is their recent hard-court meeting in Washington, where Jodar beat Fils in straight sets, following Fils’s earlier clay-court win in Barcelona.[10][2] That mixed surface record matters because this market resolves on advancement, not set score, and a retirement or walkover can still decide the outcome if a player is awarded passage under the event rules; only a match not played, an unresolved delay beyond seven days, or a tie-like non-completion would push settlement towards 50-50. For accessibility, “no-KYC up to $1,500” means a user can typically trade without identity verification until cumulative activity crosses that threshold, but availability still depends on local rules; German-facing users may face GlüStV restrictions, while US persons can be constrained by the CFTC’s reach over derivative-style event contracts, even where the market itself is online.[1][11]
For timing risk, the main catalysts are the tournament order of play, any late court change, and official injury or withdrawal announcements from the ATP or the event itself. If the match is moved, postponed, or begins but cannot be completed, the settlement mechanics become more important than pre-match form; if it is simply delayed, traders will be focused on whether a winner is determined within seven days of the scheduled slot.[8][13]
Methodology
This overview of National Bank Open: Rafael Jodar vs Arthur Fils reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
UK Frequently Asked Questions
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- Is Polymarket regulated by the UKGC?
- No. Polymarket is not licensed by the UK Gambling Commission (UKGC). It is a decentralised prediction market operated under US regulation. UK traders can use it but do not benefit from UKGC dispute resolution or player protection requirements.
- What are the HMRC tax rules on Polymarket profits for UK traders?
- Polymarket profits are treated as cryptocurrency disposal events by HMRC. Each USDC settlement is a taxable event subject to Capital Gains Tax (CGT). For 2026/27, the CGT rate is 18% (basic rate) or 24% (higher rate). The annual CGT exemption is £3,000. Report via HMRC Self Assessment if your total crypto gains exceed £3,000 or proceeds exceed £50,000.
- Does Polymarket KYC apply to UK users?
- Yes. Polymarket requires KYC (Know Your Customer) verification for all users, including UK residents. You must provide a government-issued photo ID and a selfie. The process typically takes 5–10 minutes via their ID verification provider.
- What is the legal difference between Polymarket and Betfair Exchange for UK traders?
- Betfair Exchange is UKGC-licensed, meaning UK consumer protections apply and winnings are typically tax-free. Polymarket is not UKGC-licensed — it operates under decentralised blockchain rules. Profits from Polymarket are subject to HMRC CGT as crypto disposals. Choose based on your regulatory preference and tax situation.
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