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% |
| KKS Lech Poznań O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| KKS Lech Poznań 2nd Half O/U 0.5 | 100% |
| Team to Advance | 85% |
| KKS Lech Poznań (-1.5) | 0% |
| KÍ (-1.5) | 0% |
| KKS Lech Poznań (-2.5) | 0% |
| KÍ (-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 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| KKS Lech Poznań O/U 1.5 | 0% |
| KKS Lech Poznań O/U 2.5 | 0% |
| KÍ O/U 0.5 | 0% |
| KÍ O/U 1.5 | 0% |
| KÍ O/U 2.5 | 0% |
| KKS Lech Poznań 1st Half O/U 0.5 | 0% |
| KKS Lech Poznań 1st Half O/U 1.5 | 0% |
| KÍ 1st Half O/U 0.5 | 0% |
| KÍ 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| KKS Lech Poznań 2nd Half O/U 1.5 | 0% |
| KÍ 2nd Half O/U 0.5 | 0% |
| KÍ 2nd Half O/U 1.5 | 0% |
Market context
Lech Poznań’s Europa League qualifier against KÍ is a first-leg tie at Enea Stadion, with the return leg set for 13 August and the winner advancing towards the play-off round.[5][6][9] The market’s 0% YES price implies the “more markets” contract is currently being treated as a long shot, but the live football context is straightforward: bookmakers and preview models still frame this as a competitive European tie rather than a mismatch, and the absence of prior head-to-head meetings means there is little historical basis for anchoring on a repeat pattern.[10][12][17]
Comparable early-round Europa League qualifiers often reprice sharply once team news lands, because squad rotation, travel constraints and first-leg caution can compress the market into narrower scorelines or prop-heavy outcomes. Lech’s home edge and the fact that this is a two-legged dependency matter more than headline win probabilities, since traders are really pricing whether the night produces enough discrete match events to satisfy the contract before the settlement window closes after kick-off.[4][7][11]
The main catalysts are the confirmed line-ups, any late injury or suspension information, and whether the match state stays open deep into the second half, as that alters the likelihood of additional markets triggering. For crypto-native traders, the practical backdrop is USDC settlement on-chain rather than fiat rails, so short-dated positions can be sensitive to gas conditions and wallet flow as much as to football news; if the wider market is risk-on, BTC and ETH strength can also influence speculative participation at the margin, though no direct correlation is implied by the contract itself.
Methodology
This page reads KKS Lech Poznań vs. KÍ - More Markets 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 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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