Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
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 | 76% |
| Fluminense FC O/U 0.5 | 53% |
| Both Teams to Score | 51% |
| Botafogo FR O/U 1.5 | 51% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 0.5 | 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% |
| Fluminense FC 2nd Half O/U 0.5 | 50% |
| Fluminense FC 2nd Half O/U 1.5 | 50% |
| O/U 2.5 | 41% |
| Botafogo FR (-1.5) | 31% |
| O/U 3.5 | 17% |
| Fluminense FC O/U 1.5 | 16% |
| Botafogo FR O/U 2.5 | 14% |
| Botafogo FR (-2.5) | 9% |
| O/U 4.5 | 5% |
| Fluminense FC O/U 2.5 | 3% |
| Fluminense FC (-1.5) | 2% |
| O/U 5.5 | 1% |
| Botafogo FR 1st Half O/U 1.5 | 1% |
| Fluminense FC 1st Half O/U 0.5 | 1% |
| Fluminense FC 1st Half O/U 1.5 | 1% |
| Fluminense 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% |
Market context
Botafogo’s clash with Fluminense is priced by Polymarket at **31% YES** on the “More Markets” contract, settled on the match outcome at the end of the window, with the position itself living as a Polygon-based conditional token paid for in USDC. For a user reading the order book, that means the market is not pricing the abstract rivalry; it is pricing whether the contract’s specific “more markets” condition resolves true by the settlement deadline.
Historical framing suggests a derby with relatively tight margins rather than a one-sided pattern. Recent meetings have swung both ways, including Botafogo’s 2-0 win in April 2025, its 2-1 win in January 2025, and Fluminense’s 1-0 win in February 2026, while longer-run head-to-head data still shows Botafogo with only a narrow edge overall. That sort of mixed record usually keeps these markets sensitive to small pre-match changes rather than to a strong baseline favourite.
The main catalysts are team news and the final pre-kick-off timetable: confirmed line-ups, late injury or suspension updates, and any shift to the match schedule or reporting around the Brasileirão round. The fixture is listed for 8 August at Nilton Santos, and previews note Botafogo at home with Fluminense arriving after a demanding domestic calendar, including a recent Copa do Brasil defeat, so traders will watch whether either side rotates or rests key starters before settlement.
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 Polymarket Scam?, 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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Scam?. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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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