Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
50% | 50% | 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 |
|---|---|
| Any Other Score | 50% |
| CD Santa Clara 1 - 2 CD Nacional | 48% |
| CD Santa Clara 3 - 0 CD Nacional | 48% |
| CD Santa Clara 1 - 3 CD Nacional | 46% |
| CD Santa Clara 3 - 1 CD Nacional | 32% |
| CD Santa Clara 2 - 2 CD Nacional | 27% |
| CD Santa Clara 3 - 2 CD Nacional | 24% |
| CD Santa Clara 2 - 3 CD Nacional | 13% |
| CD Santa Clara 3 - 3 CD Nacional | 12% |
| CD Santa Clara 1 - 1 CD Nacional | 1% |
| CD Santa Clara 2 - 0 CD Nacional | 1% |
| CD Santa Clara 0 - 0 CD Nacional | 0% |
| CD Santa Clara 0 - 1 CD Nacional | 0% |
| CD Santa Clara 1 - 0 CD Nacional | 0% |
| CD Santa Clara 0 - 2 CD Nacional | 0% |
| CD Santa Clara 0 - 3 CD Nacional | 0% |
| CD Santa Clara 2 - 1 CD Nacional | 0% |
Market context
CD Santa Clara and CD Nacional will contest a Primeira Liga fixture on 10 August 2026, with settlement contingent on the exact final score after 90 minutes plus stoppage time. The market currently reflects zero probability across all listed outcomes, indicating either sparse liquidity or that traders have not yet priced in sufficient conviction ahead of the settlement window closure at 19:15 UTC. This zero-probability state is common in early-stage sports markets on-chain, particularly for matches in Portuguese football where historical trading volume remains modest compared to major European leagues.
Exact-score markets in football typically exhibit heavy concentration around the most frequent outcomes: 1–0, 2–1, and 2–0 results account for roughly 40% of Primeira Liga matches historically. Santa Clara's home record and Nacional's away form will be material inputs; recent seasons show Santa Clara averaging 1.4 goals per home match whilst Nacional concedes 1.6 away. The fixture's timing in early August, at the start of the Portuguese season, introduces uncertainty around squad fitness and pre-season preparation depth that traders should factor when assessing tail-risk scenarios like 3–2 or 4–1 scorelines.
Traders monitoring this market should track team news releases and official Primeira Liga scheduling confirmations through mid-July, as postponements would extend the settlement window. USDC settlement mechanics on btc-prediction.bet mean the final payout depends on precise score verification from official sources; any ambiguity around stoppage-time goals or VAR decisions will be resolved according to the stated 90-minute-plus-stoppage criterion. Funding conditions across major exchanges show no material macro headwinds that would typically correlate with sports-betting liquidity shifts.
Methodology
This page reads CD Santa Clara vs. CD Nacional - Exact Score on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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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