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 |
|---|---|
| EC Vitória (-1.5) | 100% |
| EC Vitória (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| EC Vitória O/U 0.5 | 100% |
| EC Vitória O/U 1.5 | 100% |
| EC Vitória O/U 2.5 | 100% |
| EC Vitória 1st Half O/U 0.5 | 100% |
| EC Vitória 1st Half O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| EC Vitória 2nd Half O/U 0.5 | 100% |
| EC Vitória 2nd Half O/U 1.5 | 100% |
| CA Paranaense (-1.5) | 0% |
| CA Paranaense (-2.5) | 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 2.5 | 0% |
| CA Paranaense O/U 0.5 | 0% |
| CA Paranaense O/U 1.5 | 0% |
| CA Paranaense O/U 2.5 | 0% |
| CA Paranaense 1st Half O/U 0.5 | 0% |
| CA Paranaense 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| CA Paranaense 2nd Half O/U 0.5 | 0% |
| CA Paranaense 2nd Half O/U 1.5 | 0% |
Market context
EC Vitória face CA Paranaense in a Copa do Brasil tie, with the market set to resolve on whether the specified “more markets” contract conditions are met by the 6 August match window. The crowd price at 70% YES sits above most pre-match football priors for a single cup fixture, which suggests traders are leaning towards a relatively broad set of qualifying outcomes rather than a narrow one-off result.
Comparable head-to-head pricing has generally been tighter on match outcome, with one April meeting ending Athletico Paranaense 3-1 Vitória and pre-match books then favouring Paranaense at around 1.63-1.66 decimal, while historical prediction models on the same matchup have also pointed to a Paranaense edge and a modest scoring environment.[17][6][2][5] That matters because “more markets” contracts often inherit football volatility from lineup quality, late goals and cup-format incentives rather than a simple 1X2 read; if the underlying event is tied to qualification, scoreline bands or other ancillary conditions, the 70% print implies the market is pricing in a fairly forgiving path to settlement.
Traders should watch official team news, any Copa do Brasil scheduling or VAR-related announcements, and whether the match state changes through rotation or a first-leg/second-leg dynamic, since those are the main drivers of side markets rather than macro football consensus. On-chain, the key practical variable is whether liquidity on the prediction venue stays deep enough for the YES price to track information cleanly into settlement, with USDC-denominated collateral reducing currency noise; if broader crypto risk appetite shifts, BTC and ETH spot, plus perpetual funding, can still affect platform-wide risk-taking and marginal flow even though they do not change the football result.
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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