Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| Botafogo FR O/U 0.5 | 100% |
| Fluminense FC O/U 0.5 | 100% |
| Botafogo FR 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Fluminense FC 2nd Half O/U 0.5 | 100% |
| Botafogo FR O/U 1.5 | 1% |
| Fluminense FC O/U 1.5 | 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% |
| Both Teams to Score in Second Half | 1% |
| 2nd Half O/U 1.5 | 1% |
| 2nd Half O/U 2.5 | 1% |
| Botafogo FR 2nd Half O/U 0.5 | 1% |
| Botafogo FR 2nd Half O/U 1.5 | 1% |
| Fluminense FC 2nd Half O/U 1.5 | 1% |
| Botafogo FR (-1.5) | 0% |
| Fluminense FC (-1.5) | 0% |
| Botafogo FR (-2.5) | 0% |
| Fluminense FC (-2.5) | 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 in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Botafogo FR O/U 2.5 | 0% |
| Fluminense FC O/U 2.5 | 0% |
Market context
Botafogo face Fluminense in the Rio derby in Série A, and Polymarket is pricing the contract at **0% YES** right now, which means the market is treating the “more markets” slate as effectively closed to a positive outcome before settlement. On Polymarket, that view sits on-chain as conditional tokens settled in USDC on Polygon, so the price reflects tradable consensus rather than a bookmaker line or a pre-match opinion.
For historical framing, this fixture has often been tighter than a simple favourites-and-underdogs read suggests, even if recent meetings have tilted Botafogo’s way. ESPN’s recent results show Fluminense beat Botafogo 1-0 in February 2026, while Botafogo won 1-0 in June 2024 and 2-0 in April 2025, illustrating how small scorelines can swing the head-to-head. Broader H2H data from FootyStats puts the all-time split close, with Botafogo on 15 wins, Fluminense on 14, and 5 draws across 34 meetings.
For traders, the main catalysts are line-ups, late injury news, and any schedule-related changes to the round-22 kick-off, because those can shift the live probability of ancillary markets even after the match itself is fixed. Sports Mole and ESPN both list the game for 8 August at Nilton Santos, with local kick-off around 21:00 in Brasília time, while Soccerway-style listings show a UTC conversion to 00:00 on 9 August, so matching the official match sheet to the settlement window matters. Any confirmed team news, referee assignment, or competition rescheduling would be the most relevant near-term dependency for contracts linked to this fixture.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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