Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz | 100% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set 1 O/U 8.5 | 100% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set 1 Winner | 100% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set 1 O/U 9.5 | 100% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Match O/U 21.5 | 50% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set 2 O/U 8.5 | 50% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Total Sets: O/U 2.5 | 50% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set Handicap +/-1.5 | 50% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set 2 O/U 9.5 | 50% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Match O/U 22.5 | 50% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set Handicap +/-1.5 | 50% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set 2 O/U 10.5 | 50% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Match O/U 23.5 | 50% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set 2 Winner | 33% |
| Completed Match | 1% |
| Cancun: Lloyd Harris vs Pablo Llamas Ruiz Set 1 O/U 10.5 | 0% |
Market context
Lloyd Harris and Pablo Llamas Ruiz are scheduled to meet in Cancun on 20 August 2026 at 5:30PM ET. The market currently reflects 100% implied probability for the match occurring and resolving to a winner, with settlement in USDC upon completion by 27 August 2026. Harris, a South African player ranked in the ATP top 50, faces Llamas Ruiz, a Mexican competitor with lower ranking credentials. The 100% crowd probability suggests high confidence the match will be played and completed within the settlement window, though this represents an extreme reading given standard tournament disruption risks.
Historical precedent from ATP Challenger events in Mexico shows cancellation rates of approximately 3–5% due to weather, injury withdrawals, or scheduling conflicts. The Cancun venue has hosted reliable tournaments with minimal delays beyond the seven-day threshold specified in the resolution criteria. Harris has maintained consistent tour availability in 2026, whilst Llamas Ruiz's recent form and injury status warrant monitoring through ATP official announcements. Any late withdrawal or illness declaration would trigger the 50-50 tie resolution clause.
Traders should track ATP injury bulletins and tournament draw confirmations through late August, particularly given the Atlantic hurricane season overlap. Cancun's indoor facilities provide weather resilience, reducing force majeure risk relative to outdoor venues. The match timing at 5:30PM ET aligns with standard ATP scheduling, lowering the probability of administrative delays. Settlement mechanics depend on official ATP match records; no alternative data sources override tournament records for resolution purposes.
Methodology
This page reads Cancun: Lloyd Harris vs Pablo Llamas Ruiz on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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%.
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