Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
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% |
| Botafogo FR O/U 0.5 | 100% |
| Botafogo FR 1st Half O/U 0.5 | 100% |
| O/U 1.5 | 87% |
| Botafogo FR O/U 1.5 | 81% |
| Botafogo FR (-1.5) | 71% |
| O/U 2.5 | 59% |
| 2nd Half O/U 0.5 | 51% |
| Botafogo FR O/U 2.5 | 50% |
| CS Cienciano O/U 1.5 | 50% |
| CS Cienciano O/U 2.5 | 50% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Botafogo FR 2nd Half O/U 0.5 | 50% |
| Botafogo FR 2nd Half O/U 1.5 | 50% |
| CS Cienciano 2nd Half O/U 0.5 | 50% |
| CS Cienciano 2nd Half O/U 1.5 | 50% |
| Botafogo FR (-2.5) | 42% |
| O/U 3.5 | 31% |
| Both Teams to Score | 28% |
| CS Cienciano O/U 0.5 | 26% |
| O/U 4.5 | 14% |
| O/U 5.5 | 5% |
| CS Cienciano (-1.5) | 1% |
| Botafogo FR 1st Half O/U 1.5 | 1% |
| CS Cienciano 1st Half O/U 0.5 | 1% |
| CS Cienciano 1st Half O/U 1.5 | 1% |
| CS Cienciano (-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% |
Market context
Botafogo de Futebol e Regatas, the Rio de Janeiro club, will face CS Cienciano of Peru in a Copa Sudamericana fixture on 20 August at 8:30 PM ET. The match forms part of the tournament's knockout phase, where aggregate scoring across two legs determines progression. This particular market settles on whether additional betting or trading markets will be offered for the encounter—a YES share appreciates if further markets materialise, whilst a NO share settles if no additional markets appear by the deadline of 21 August at 00:30 UTC.
Prediction markets on secondary market availability tend to correlate with fixture prominence and liquidity expectations. Botafogo's recent Copa Sudamericana campaigns have generated moderate trading interest, though the club's domestic form and continental standing influence whether sportsbooks and prediction platforms expand their offering. Comparable Copa Sudamericana fixtures involving Brazilian clubs have historically seen additional markets listed when teams field competitive squads or when the tie carries playoff implications. The current 71% probability reflects confidence that organisers will capitalise on the match's visibility.
Traders should monitor team news and injury updates in the week before 20 August, as squad strength affects perceived match significance and thus market appetite. Botafogo's fixture congestion—balancing Copa Sudamericana commitments with Série A obligations—may influence how aggressively platforms extend their market catalogue. Cienciano's recent form and any late-breaking announcements from the tournament organisers regarding broadcast reach or sponsorship activity could shift expectations around secondary market proliferation.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Market UK, which mirrors the Polymarket order book directly.
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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