Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans | 100% |
| Completed Match | 100% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set 1 O/U 8.5 | 100% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set 1 Winner | 100% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set 2 Winner | 100% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set Handicap +/-1.5 | 100% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set 1 O/U 9.5 | 100% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set 2 O/U 8.5 | 0% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Match O/U 21.5 | 0% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Total Sets: O/U 2.5 | 0% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set 2 O/U 9.5 | 0% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Match O/U 22.5 | 0% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set Handicap +/-1.5 | 0% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set 1 O/U 10.5 | 0% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Set 2 O/U 10.5 | 0% |
| Prague 2: Max Hans Rehberg vs Kimmer Coppejans Match O/U 23.5 | 0% |
Market context
Max Hans Rehberg faces Kimmer Coppejans in the Prague 2 tournament on 19 August 2026, with the winner advancing in the draw. The Polymarket contract currently trades at 100% YES for Rehberg, reflecting either extreme confidence in his progression or insufficient liquidity to move the price away from extremes. On Polygon, this conditional token pair settles USDC directly upon match completion, with the resolution criteria explicitly excluding delayed matches beyond seven days—a meaningful constraint given tournament scheduling uncertainties.
Historical precedent suggests 100% pricing on lower-tier ATP events warrants scepticism. Coppejans, a Belgian journeyman ranked outside the top 200, has upset higher-ranked opponents in qualifying rounds; Rehberg, an Austrian prospect, carries greater seeding expectations but remains vulnerable in early rounds where surface conditions and form fluctuate sharply. Similar Prague 2 markets have seen probability swings of 15–25 percentage points once draw confirmations arrive and player fitness reports surface. The settlement window's 7 August deadline for dispute resolution creates a hard stop for traders seeking exit liquidity before the match begins.
Traders should monitor the official ATP Prague 2 draw release, expected mid-July, which confirms both players' participation and seeding. Injury reports from either player's previous tournament appearances will be critical; Coppejans has managed recurring shoulder issues, whilst Rehberg's recent match frequency indicates conditioning status. The venue's outdoor clay surface favours baseline grinders—a structural advantage worth tracking against individual playing styles once warm-up tournaments conclude in early August.
Methodology
This page reviews Prague 2: Max Hans Rehberg vs Kimmer Coppejans 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 Scam?, 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
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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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