Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Todi: Filippo Romano vs Massimo Giunta | 100% |
| Completed Match | 100% |
| Todi: Filippo Romano vs Massimo Giunta Set 1 Winner | 100% |
| Todi: Filippo Romano vs Massimo Giunta Set 2 Winner | 100% |
| Todi: Filippo Romano vs Massimo Giunta Set Handicap +/-1.5 | 100% |
| Todi: Filippo Romano vs Massimo Giunta Match O/U 21.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Total Sets: O/U 2.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Set 2 O/U 8.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Set 1 O/U 8.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Match O/U 22.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Set 2 O/U 9.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Set 1 O/U 9.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Set Handicap +/-1.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Match O/U 23.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Set 2 O/U 10.5 | 0% |
| Todi: Filippo Romano vs Massimo Giunta Set 1 O/U 10.5 | 0% |
Market context
Filippo Romano and Massimo Giunta are scheduled to contest a professional tennis match in Todi on 10 August 2026, with the market settlement window closing on 17 August. The fixture carries a 100% crowd-implied probability for Romano, suggesting near-certain advancement, though the settlement mechanics permit resolution to 50-50 if the match is postponed beyond seven days without completion or cancelled outright. Settlement occurs in USDC on btc-prediction.bet's infrastructure.
Italian domestic tennis fixtures at lower-tier events historically exhibit higher cancellation and rescheduling rates than ATP-level tournaments, particularly during summer months when weather disruption and player withdrawal patterns diverge from major circuit norms. Comparable Challenger-level matches in Southern Europe show roughly 8–12% incidence of non-completion or delay beyond the seven-day threshold. The 100% probability pricing reflects either strong conviction in Romano's superiority or market illiquidity rather than certainty of match execution.
Traders should monitor the ATP Challenger Tour's official schedule and Todi tournament communications for any postponement announcements, typically issued 48–72 hours before play. Player injury updates and withdrawal declarations carry material weight; recent news from ATP injury trackers and tournament draws should be cross-referenced. Funding conditions on btc-prediction.bet and spot USDC pricing may shift if either player withdraws or if weather forecasts for Todi deteriorate significantly in the week preceding 10 August. The seven-day buffer to 17 August provides limited margin for rescheduling before 50-50 resolution triggers.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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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