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 |
|---|---|
| Completed Match | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Total Sets: O/U 2.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Match O/U 21.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set 1 Winner | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set 1 O/U 8.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set 2 O/U 8.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Match O/U 22.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set 1 O/U 9.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set 2 O/U 9.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Match O/U 23.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set 1 O/U 10.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set 2 O/U 10.5 | 100% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee | 0% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set 2 Winner | 0% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set Handicap +/-1.5 | 0% |
| Plovdiv 2: Samuele Pieri vs Gerard Campana Lee Set Handicap +/-1.5 | 0% |
Market context
Samuele Pieri’s match with Gerard Campana Lee in Plovdiv is pricing as a **coin flip** in the live tennis projections, while the market’s current **0% YES** implies a near-certain lean to the opposite side of the listed outcome. Tennis.com has the pair at **50% to 50%**, and live player pages show Pieri as the slightly higher-ranked entrant on recent ATP numbers, with Pieri around **ATP 386** and Campana Lee around **ATP 585** on Tennistemple’s live listing.[2][3]
That ranking gap is the main reason Pieri is the more conventional favourite, but the market is not treating this as a clean mismatch. Bookmaker-facing listings have generally made Pieri the shorter price, with one market quoting him at **1.52** and Campana Lee at **2.33**, while another had Pieri near **1.40** versus **2.60**, which points to a favourite who is not dominant and leaves room for a contrarian case on the underdog if the exchange price drifts too far.[14][16] In handicapper terms, the consensus sits with Pieri, but the value question is whether the market has already absorbed enough of his edge from ranking and pricing.
The main trader watchpoints are whether the match starts on time, completes, and whether any late schedule changes affect settlement before the **7-day** cut-off. Current tournament listings still show the fixture as upcoming on Plovdiv 2 Round 2, and that matters because a non-completion, cancellation, or delay beyond the settlement window would force the market into the **50-50** rule rather than a straight win/loss resolution.[2][7][10] If pre-match withdrawals, court delays, or rain interruptions emerge, that scenario risk is as relevant as the on-court favourite/underdog split.
Methodology
We track Plovdiv 2: Samuele Pieri vs Gerard Campana Lee 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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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 Who Will Win. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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%.
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