Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 |
|---|---|
| 1. FC Cologne 2 - 0 Real Sociedad San Sebastian | 99% |
| 1. FC Cologne 2 - 2 Real Sociedad San Sebastian | 5% |
| Any Other Score | 5% |
| 1. FC Cologne 0 - 3 Real Sociedad San Sebastian | 3% |
| 1. FC Cologne 2 - 1 Real Sociedad San Sebastian | 3% |
| 1. FC Cologne 1 - 2 Real Sociedad San Sebastian | 2% |
| 1. FC Cologne 0 - 2 Real Sociedad San Sebastian | 1% |
| 1. FC Cologne 3 - 0 Real Sociedad San Sebastian | 1% |
| 1. FC Cologne 1 - 3 Real Sociedad San Sebastian | 1% |
| 1. FC Cologne 2 - 3 Real Sociedad San Sebastian | 1% |
| 1. FC Cologne 0 - 0 Real Sociedad San Sebastian | 0% |
| 1. FC Cologne 0 - 1 Real Sociedad San Sebastian | 0% |
| 1. FC Cologne 1 - 0 Real Sociedad San Sebastian | 0% |
| 1. FC Cologne 1 - 1 Real Sociedad San Sebastian | 0% |
| 1. FC Cologne 3 - 1 Real Sociedad San Sebastian | 0% |
| 1. FC Cologne 3 - 2 Real Sociedad San Sebastian | 0% |
| 1. FC Cologne 3 - 3 Real Sociedad San Sebastian | 0% |
Market context
1. FC Köln meet Real Sociedad in a club friendly, and the market only pays out on the exact final score after normal time, added time, or any agreed format used by the organiser. That matters because friendlies can produce unusual scorelines, late squad rotation, and fewer tactical constraints than competitive fixtures, which makes the “Any Other Score” bucket structurally large even before considering the listed score options.
The historical frame is thin but informative. UEFA’s head-to-head record shows only two competitive meetings between the clubs, both in the 1988/89 UEFA Cup, with Real Sociedad winning 1-0 at home and the return in Cologne finishing 0-0[1][3][5]. That pattern does not predict a friendly directly, but it does show a low-scoring historical baseline between the sides. Sofascore and ESPN both list this as a scheduled summer friendly in August 2026, and ESPN’s recent form snapshots show Köln and Real Sociedad both producing a mix of narrow wins, draws, and defeats in their last league matches[4][7].
For catalysts, traders should watch official team updates, match-day line-ups, and any schedule changes, because friendlies are often confirmed close to kick-off and can be affected by travel, fitness management, or last-minute squad limitations. The market settles in USDC on-chain, so the main crypto-relevant risk is not the football result itself but liquidity and timing around the settlement window; if BTC or ETH move sharply, that can influence broader market positioning, though it does not change the score resolution mechanics. Current live listings still place the match in the friendly schedule, with some feeds showing the fixture status as pending or recently updated, which is the key operational signal before the market closes[2][4][12].
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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