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 |
|---|---|
| Completed Match | 100% |
| Prague: Andrew Paulson vs Norbert Gombos | 0% |
Market context
Andrew Paulson and Norbert Gombos are scheduled to meet in the qualifying draw of the Prague ATP tournament on 17 August 2026. The match represents an early-round encounter in a secondary tier event, with settlement contingent on match completion by 24 August 2026. The 0% implied probability reflects either absent liquidity or strong conviction that the match will not reach a decisive conclusion within the settlement window.
Historical precedent for qualifying matches at ATP 250 events shows completion rates above 90%, though Prague's August scheduling occasionally encounters weather delays. Paulson, ranked outside the top 200, has limited recent ATP qualifying history, whilst Gombos—a Slovak player with sporadic tour appearances—presents comparable uncertainty. The absence of recent head-to-head records between these players means traders lack direct form comparison; instead, relative ranking and recent match outcomes become the primary data points for assessing win probability once the market activates.
Key catalysts include official confirmation of the draw bracket (typically released 48 hours before the event), weather forecasts for Prague in mid-August, and any late withdrawals or scheduling adjustments announced by the ATP. Court assignments and match sequencing affect completion likelihood; matches scheduled early in the day face lower weather-related cancellation risk. Traders should monitor ATP official announcements and the tournament's live draw updates. Settlement hinges strictly on match completion: any postponement beyond 7 days or match abandonment mid-play triggers the 50-50 resolution clause, making schedule integrity a material factor for contract holders.
Methodology
This page reads Prague: Andrew Paulson vs Norbert Gombos 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
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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%.
Trade Prague: Andrew Paulson vs Norbert Gombos on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →