Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
64% | 36% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
64% | 36% | 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 |
|---|---|
| Prague 2: Petr Brunclik vs Jan Kumstat Set 1 O/U 8.5 | 64% |
| Prague 2: Petr Brunclik vs Jan Kumstat Set 1 Winner | 63% |
| Prague 2: Petr Brunclik vs Jan Kumstat Match O/U 21.5 | 56% |
| Prague 2: Petr Brunclik vs Jan Kumstat Total Sets: O/U 2.5 | 51% |
| Prague 2: Petr Brunclik vs Jan Kumstat Set 1 O/U 9.5 | 51% |
| Completed Match | 50% |
| Prague 2: Petr Brunclik vs Jan Kumstat Set 2 Winner | 50% |
| Prague 2: Petr Brunclik vs Jan Kumstat Set 2 O/U 8.5 | 50% |
| Prague 2: Petr Brunclik vs Jan Kumstat Set 2 O/U 9.5 | 50% |
| Prague 2: Petr Brunclik vs Jan Kumstat Set Handicap +/-1.5 | 50% |
| Prague 2: Petr Brunclik vs Jan Kumstat Set 2 O/U 10.5 | 50% |
| Prague 2: Petr Brunclik vs Jan Kumstat Set 1 O/U 10.5 | 50% |
| Prague 2: Petr Brunclik vs Jan Kumstat Match O/U 22.5 | 49% |
| Prague 2: Petr Brunclik vs Jan Kumstat Match O/U 23.5 | 43% |
| Prague 2: Petr Brunclik vs Jan Kumstat | 41% |
| Prague 2: Petr Brunclik vs Jan Kumstat Set Handicap +/-1.5 | 39% |
Market context
Petr Brunclik and Jan Kumstat are scheduled to meet in the Prague 2 tournament on 17 August 2026. The match forms part of the ATP Challenger circuit event, with the winner advancing to the next round. The current crowd-implied probability of 42% for Brunclik suggests modest confidence in the Czech player, despite home-court advantage in Prague.
Both players operate within the lower-ranked professional tier where recent form and surface preference carry outsized weight. Brunclik's historical performance on clay courts—the surface for Prague 2—provides a baseline for comparison; players with established clay records typically command 55–65% implied probability when facing opponents without similar track records on the surface. The 42% reading indicates the market is pricing in either meaningful recent form decline for Brunclik, or elevated confidence in Kumstat's adaptability. Reviewing ATP Challenger results from the preceding six weeks would clarify whether either player has momentum shifts that justify deviation from surface-based expectations.
Traders monitoring this match should track tournament draw confirmations and any weather-related delays, as the settlement window closes 24 August 2026—only seven days after the scheduled date. Injury announcements or withdrawal notices typically emerge 48–72 hours before matches at this level. For programmatic approaches, conditional orders tied to confirmed draw publication and real-time match status feeds would reduce settlement ambiguity; the tie-break resolution clause (50-50 if delayed beyond seven days) creates a meaningful edge for traders who can automate early withdrawal detection or schedule monitoring around typical announcement windows.
Methodology
This page reviews Prague 2: Petr Brunclik vs Jan Kumstat across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Review UK, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
UK Frequently Asked Questions
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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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