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 |
|---|---|
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Real Madrid O/U 0.5 | 100% |
| Real Madrid 1st Half O/U 0.5 | 100% |
| RC Deportivo De La Coruna (-1.5) | 0% |
| Real Madrid (-1.5) | 0% |
| RC Deportivo De La Coruna (-2.5) | 0% |
| Real Madrid (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| RC Deportivo De La Coruna O/U 0.5 | 0% |
| RC Deportivo De La Coruna O/U 1.5 | 0% |
| RC Deportivo De La Coruna O/U 2.5 | 0% |
| Real Madrid O/U 1.5 | 0% |
| Real Madrid O/U 2.5 | 0% |
| RC Deportivo De La Coruna 1st Half O/U 0.5 | 0% |
| RC Deportivo De La Coruna 1st Half O/U 1.5 | 0% |
| Real Madrid 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| RC Deportivo De La Coruna 2nd Half O/U 0.5 | 0% |
| RC Deportivo De La Coruna 2nd Half O/U 1.5 | 0% |
| Real Madrid 2nd Half O/U 0.5 | 0% |
| Real Madrid 2nd Half O/U 1.5 | 0% |
Market context
RC Deportivo de la Coruña will face Real Madrid in a pre-season friendly on 12 August 2026, with kick-off scheduled for 3:00 PM ET. The market settlement window closes at 7:00 PM ET the same day, allowing roughly four hours post-match for USDC settlement once official confirmation reaches the oracle. Deportivo, competing in Spain's second tier, represents a significant underdog against the defending European champions, a gap reflected in the 0% crowd probability currently priced into this secondary markets cluster.
Historical precedent suggests that friendlies involving elite clubs against lower-division opponents rarely generate meaningful uncertainty around match outcomes. Real Madrid's pre-season fixtures typically serve tactical preparation rather than genuine competitive tests. When comparable mismatches have appeared on prediction markets—such as established sides facing regional opponents in warm-up matches—the favourite has settled at near-certainty levels. The 0% reading here aligns with that pattern, though secondary market clusters sometimes capture ancillary bets (goal-scorer props, card counts, or specific scorelines) where variance exists despite outcome certainty.
Traders should monitor Real Madrid's squad availability and injury status through official club announcements in early August, as rotation depth affects margin of victory assumptions. Deportivo's recent form in the Segunda División provides context for defensive solidity, though pre-season conditioning typically favours the higher-division side. Settlement depends on timely fixture confirmation and oracle feed reliability; any fixture postponement would extend the window beyond the stated deadline, creating operational risk for USDC settlement mechanics.
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 does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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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