Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Prague 2: Chun-Hsin Tseng vs Hynek Barton | 100% |
| Completed Match | 100% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set 1 Winner | 100% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set 2 Winner | 100% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set Handicap +/-1.5 | 100% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set 1 O/U 8.5 | 100% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set 1 O/U 9.5 | 100% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Total Sets: O/U 2.5 | 0% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set 2 O/U 8.5 | 0% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Match O/U 21.5 | 0% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Match O/U 22.5 | 0% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set 2 O/U 9.5 | 0% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set Handicap +/-1.5 | 0% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set 1 O/U 10.5 | 0% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Match O/U 23.5 | 0% |
| Prague 2: Chun-Hsin Tseng vs Hynek Barton Set 2 O/U 10.5 | 0% |
Market context
The Prague 2 tournament will host a second-round clash between Taiwan's Chun-Hsin Tseng and Czech Republic's Hynek Barton in August 2026. The market is currently priced at 100% for Tseng, implying absolute certainty in his advancement. This extreme probability warrants scrutiny, particularly given the match remains several months away and neither player has yet qualified for the tournament proper.
Tseng, ranked in the low-to-mid 200s on the ATP circuit, has shown inconsistent results on hard courts—his primary surface at Prague 2. Barton, a domestic Czech player competing primarily on the Challenger circuit, represents a significant underdog in conventional matchup analysis. Historical precedent suggests that when home-nation players face higher-ranked opponents at regional tournaments, the crowd effect occasionally produces upsets, though Barton's ranking disadvantage is substantial. The 100% probability reflects either extreme confidence in Tseng's seeding advantage or potential market illiquidity rather than genuine certainty.
Traders should monitor both players' qualifying results and fitness status as the tournament approaches. Tseng's performance in warm-up events during July 2026 will signal his form, whilst any late withdrawals or injury announcements could trigger settlement complications. The settlement window extends to 24 August, providing eight days beyond the scheduled date for completion. Given the current odds leave no room for contrarian positioning, the primary value consideration lies in whether the market will adjust once qualifying draws are confirmed and recent form data becomes available.
Methodology
We track Prague 2: Chun-Hsin Tseng vs Hynek Barton across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
- 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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