National Bank Open: Zachary Svajda vs Arthur Fils

Platform comparison

Market context

Arthur Fils’s meeting with Zachary Svajda is a straightforward ATP hard-court match, and the market’s 0% YES price is best read as a liquidity and access signal rather than a real-world forecast of certainty. The pair have no prior tour-level head-to-head, while 2026 season data lean towards Fils on overall form: he is listed at 23–9, versus Svajda’s 8–11, with stronger serve-and-return numbers across the sample.[1][13][16]

For a trader, the main catalysts are procedural rather than tactical: the official start time, any rescheduling, and whether the match is actually completed inside the settlement window. That matters because this market resolves 50-50 if the match is cancelled, not played, tied, or delayed beyond seven days without a winner, and also if play begins but no player advances because of an incomplete match; those outcomes can matter more than the on-court favourite. In market-access terms, a no-KYC threshold up to $1,500 means smaller positions can usually be taken without identity checks, but activity above that level may trigger verification and reduce immediate accessibility for some users.

The regulatory frame is also relevant. If the platform is available to German users, GlüStV rules can affect whether betting-style participation is permitted or restricted, while the US CFTC’s reach is the broader overhang for event-contract products that touch US persons or US-based infrastructure. In practical terms, that means the quoted probability can reflect not just match expectations, but also jurisdictional friction, onboarding rules, and the ease with which participants can actually size a position.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of National Bank Open: Zachary Svajda 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 Tax 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.