Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Completed Match | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set 1 O/U 8.5 | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Match O/U 21.5 | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set 2 O/U 8.5 | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set 1 Winner | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Total Sets: O/U 2.5 | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set 1 O/U 9.5 | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Match O/U 22.5 | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set 2 O/U 9.5 | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Match O/U 23.5 | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set 2 O/U 10.5 | 100% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera | 0% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set 2 Winner | 0% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set Handicap +/-1.5 | 0% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set Handicap +/-1.5 | 0% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Set 1 O/U 10.5 | 0% |
| US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera Game Spread +/-4.5 | 0% |
Market context
Darya Astakhova v Marina Bassols Ribera sits in the US Open women’s qualifying draw, which runs from 24–27 August 2026, with play scheduled around 11:00 a.m. ET on the published order of play for the event.[1][2][13] The current 0% yes price is only meaningful if the match remains unplayed or unresolved; if a winner is recorded before the settlement cut-off, the market resolves to that player, and if the contest is cancelled or left without a result by 8 September, it falls back to 50-50.
For context, qualifying matches at this stage are best read through draw status rather than headline ranking gaps: the US Open qualifying field is 128 players deep, and only 16 women advance to the main draw after three wins.[12][14] Astakhova appeared among the later alternates in the entry list, which underlines how thin the margin is between appearing in qualifying and missing the draw entirely.[14]
The key catalysts are straightforward: the published court schedule, any late withdrawals, and whether the match is actually completed inside the qualifying window.[1][10][13] On the regulatory side, prediction markets available to German users can be affected by the GlüStV framework, while US-facing access can still raise CFTC jurisdiction questions depending on venue and product structure; a “no-KYC up to $1,500” threshold usually means lighter identity checks for small balances or withdrawals, not blanket anonymity, so practical access can still depend on residence, payment rails, and local compliance rules.
Methodology
This overview of US Open, Qualification WTA: Darya Astakhova vs Marina Bassols Ribera 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.
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