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 |
|---|---|
| Completed Match | 100% |
| Prague: Andrew Paulson vs Norbert Gombos | 0% |
Market context
Andrew Paulson and Norbert Gombos are scheduled to compete in the qualifying round of the Prague tennis tournament on 17 August 2026. The match was originally set for 4:00 AM ET. On Polymarket, conditional tokens representing a Paulson victory are currently trading at 0% implied probability, with the inverse position (Gombos advance) holding the complementary valuation. The settlement window closes 24 August 2026 at 08:00 UTC, allowing an eight-day window for the match to conclude before the market resolves to a 50-50 split if no winner is determined.
Paulson, an American player ranked outside the ATP top 200, has competed sporadically on the Challenger and ITF circuits in recent years. Gombos, a Slovak player with a career-high ranking near 150, has maintained steadier tour presence. Historical qualifying-round matchups between players of comparable ranking typically favour the player with more recent match activity and tournament exposure. Neither competitor has a notable head-to-head record that would anchor expectations; qualifying draws often feature players with minimal prior competitive history against one another.
Traders monitoring this contract should track official ATP and WTA qualifying draw confirmations as the tournament approaches, alongside any late withdrawals or schedule adjustments. Prague's qualifying typically runs in the week preceding the main draw. Weather delays or venue changes could trigger the seven-day extension clause. Current 0% pricing suggests either market participants lack conviction on Paulson's chances or the contract has received minimal trading volume, leaving the conditional token price vulnerable to early backing once traders begin positioning ahead of the scheduled date.
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 Scam?, 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
- 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.
- 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.
- 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 Polymarket Scam?
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