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% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set 1 O/U 8.5 | 100% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set 1 Winner | 100% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Match O/U 21.5 | 100% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Total Sets: O/U 2.5 | 100% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Match O/U 22.5 | 100% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Match O/U 23.5 | 100% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno | 0% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set 2 Winner | 0% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set 2 O/U 8.5 | 0% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set Handicap +/-1.5 | 0% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set 1 O/U 9.5 | 0% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set 2 O/U 9.5 | 0% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set Handicap +/-1.5 | 0% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set 1 O/U 10.5 | 0% |
| Kingston: Benjamin Willwerth vs Gonzalo Bueno Set 2 O/U 10.5 | 0% |
Market context
Benjamin Willwerth and Gonzalo Bueno are scheduled to meet in Kingston on 17 August 2026 at 11:00 AM ET. The market currently prices Willwerth's advancement at zero on Polymarket's USDC/Polygon infrastructure, suggesting traders see negligible probability of the German player progressing past Bueno. The conditional token structure means any YES position requires both match completion and Willwerth victory; the 50-50 resolution clause activates if the match cancels entirely or extends beyond 7 days without a determined winner.
Willwerth, ranked outside the ATP top 200, has competed primarily on Challenger circuits with limited main-draw Grand Slam or ATP 500 exposure. Bueno, an Argentine player with similar career trajectory, operates in comparable competitive tiers. Historical precedent suggests that when Polymarket prices a lower-ranked player at zero probability against a peer-level opponent, the market typically reflects either recent form divergence, head-to-head records, or surface-specific advantages rather than fundamental ranking gaps. Kingston's hard courts favour baseline consistency over serve-dominant play, a variable worth cross-referencing against both players' recent match results.
The settlement window closes 24 August 2026, providing a week-long buffer beyond the scheduled date. Traders should monitor ATP Challenger draw confirmations and any weather-related postponements in the Kingston region during mid-August. Recent tournament scheduling disruptions have occasionally pushed matches beyond the standard 7-day threshold, triggering 50-50 resolutions. Official draw releases and player injury announcements typically surface 48–72 hours before tournament starts.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Scam?. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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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