Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review 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 |
|---|---|
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine | 100% |
| Completed Match | 100% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 2 Winner | 100% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 1 Winner | 100% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set Handicap +/-1.5 | 100% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 2 O/U 8.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Total Sets: O/U 2.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 1 O/U 8.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Match O/U 21.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 2 O/U 9.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 1 O/U 9.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Match O/U 22.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set Handicap +/-1.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 2 O/U 10.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 1 O/U 10.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Match O/U 23.5 | 0% |
Market context
Radu Albot, the Moldovan professional ranked outside the top 100, faces Constantin Bittoun Kouzmine in a qualifying or early-round match at Roehampton scheduled for 18 August 2026. The 100% crowd-implied probability suggests near-certainty of match completion and a decisive result, though the settlement window extends to 25 August—a seven-day buffer that accommodates rain delays or scheduling shifts common at grass-court events in London.
Historical precedent for matches between lower-ranked players at Roehampton shows completion rates above 95%, with cancellations typically occurring only during extreme weather or player withdrawal due to injury. Albot's career record against similarly ranked opponents provides limited direct comparison data; however, grass-court specialists and journeymen players at this tier exhibit relatively stable match outcomes once fixtures begin. The current probability assignment reflects confidence in both players' fitness and the tournament's operational capacity to reschedule within the seven-day window.
Traders monitoring this market programmatically should track ATP injury bulletins and Roehampton's official draw updates through mid-August. Weather forecasts for London become actionable 72 hours before the scheduled start; the All England Club's grass maintenance schedules occasionally force fixture adjustments. Conditional order logic should account for the 50-50 resolution trigger if play extends beyond 25 August without completion—a material tail risk despite low historical frequency. Real-time match feeds and court assignment confirmations typically arrive 24 hours pre-match, offering final confirmation before settlement.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Review UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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%.
Trade Roehampton: Radu Albot vs Constantin Bittoun Kouzmine on Polymarket Review UK
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