Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| CR Flamengo (-1.5) | 100% |
| CR Flamengo (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| O/U 5.5 | 100% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| Mirassol FC O/U 0.5 | 100% |
| CR Flamengo O/U 0.5 | 100% |
| CR Flamengo O/U 1.5 | 100% |
| CR Flamengo O/U 2.5 | 100% |
| CR Flamengo 1st Half O/U 0.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| Mirassol FC 2nd Half O/U 0.5 | 100% |
| CR Flamengo 2nd Half O/U 0.5 | 100% |
| CR Flamengo 2nd Half O/U 1.5 | 100% |
| Mirassol FC (-1.5) | 0% |
| Mirassol FC (-2.5) | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Mirassol FC O/U 1.5 | 0% |
| Mirassol FC O/U 2.5 | 0% |
| Mirassol FC 1st Half O/U 0.5 | 0% |
| Mirassol FC 1st Half O/U 1.5 | 0% |
| CR Flamengo 1st Half O/U 1.5 | 0% |
| Mirassol FC 2nd Half O/U 1.5 | 0% |
Market context
Mirassol FC will host CR Flamengo on 16 August at 5:30 PM ET in a Brazil Série A fixture. The Polymarket contract pricing this matchup at 0% YES reflects conditional token mechanics on Polygon, where USDC settlement hinges on whether additional markets for this specific game will be created before the settlement window closes on 16 August at 21:30 UTC. The zero probability suggests traders currently assess minimal likelihood that supplementary betting options—such as first-goal scorer, total corners, or player performance props—will be listed for this encounter.
Historical precedent matters here. Polymarket's conditional market infrastructure has expanded substantially across Brazilian football, yet fixture-level coverage remains inconsistent. Smaller clubs like Mirassol, despite competing in the top division, receive fewer auxiliary markets than traditional powerhouses. Flamengo's prominence typically attracts deeper liquidity and broader market coverage, but that advantage applies only if Polymarket's operators or market creators deem the fixture sufficiently trafficked to justify listing costs.
Traders should monitor Polymarket's official announcements and the fixture's proximity to kickoff. Market creation decisions often cluster 48–72 hours before matches, when trading volumes become predictable. Flamengo's fixture schedule and any injury updates affecting squad depth could influence whether this game attracts creator interest. The settlement window's tight closure—just nine hours after final whistle—compounds the timing constraint, making early market deployment essential for any supplementary contracts to gain traction.
Methodology
We track Mirassol FC vs. CR Flamengo - More Markets across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
UK Frequently Asked Questions
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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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