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% |
| Mirassol FC O/U 0.5 | 100% |
| Mirassol FC 1st Half O/U 0.5 | 100% |
| O/U 1.5 | 67% |
| LDU de Quito O/U 0.5 | 61% |
| 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% |
| Mirassol FC 2nd Half O/U 0.5 | 50% |
| Mirassol FC 2nd Half O/U 1.5 | 50% |
| LDU de Quito 2nd Half O/U 0.5 | 50% |
| LDU de Quito 2nd Half O/U 1.5 | 50% |
| Mirassol FC O/U 1.5 | 45% |
| Mirassol FC O/U 2.5 | 42% |
| LDU de Quito O/U 1.5 | 41% |
| Both Teams to Score | 39% |
| Mirassol FC (-1.5) | 34% |
| O/U 2.5 | 34% |
| LDU de Quito O/U 2.5 | 32% |
| O/U 3.5 | 8% |
| Mirassol FC (-2.5) | 7% |
| O/U 4.5 | 2% |
| LDU de Quito (-1.5) | 1% |
| O/U 5.5 | 1% |
| Both Teams to Score in First Half | 1% |
| Mirassol FC 1st Half O/U 1.5 | 1% |
| LDU de Quito 1st Half O/U 0.5 | 1% |
| LDU de Quito (-2.5) | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| LDU de Quito 1st Half O/U 1.5 | 0% |
Market context
Mirassol FC, a Brazilian Serie A club, will face LDU de Quito, Ecuador's most successful continental side, in a Copa Libertadores match on 13 August at 6:00 PM ET. This prediction market settles on whether additional betting markets will be offered for the fixture. When you purchase a YES share, you're wagering that more markets will indeed open; a NO share bets they won't. The current crowd-implied probability of 34% suggests traders view it as unlikely that supplementary markets materialise for this particular tie, though roughly one-third still expect them.
Copa Libertadores matches typically attract secondary market offerings—goal-scorer props, corner totals, card counts—especially when both clubs carry established followings. LDU de Quito's continental pedigree (two Copa Libertadores titles) and Mirassol's recent promotion to Brazil's top flight create moderate commercial appeal. However, scheduling matters: midweek fixtures in August often receive lighter market coverage than weekend matches, and the 6:00 PM ET kickoff time sits outside peak European trading hours, potentially dampening liquidity appetite among market operators.
Traders should monitor whether the fixture gains media prominence in the fortnight before settlement. Injury announcements affecting either squad's key players, or unexpected fixture postponements, could shift operator decisions about market depth. The Copa Libertadores format itself—knockout rounds with high stakes—typically justifies expanded offerings, yet commercial decisions rest on projected trading volume. Settlement closes 13 August at 22:00 UTC, giving operators roughly 16 hours post-match to confirm whether additional markets opened at any point during the event window.
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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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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