Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
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% |
| Mirassol FC O/U 0.5 | 100% |
| LDU de Quito O/U 0.5 | 100% |
| Mirassol FC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| LDU de Quito 2nd Half O/U 0.5 | 100% |
| Mirassol FC (-1.5) | 0% |
| LDU de Quito (-1.5) | 0% |
| Mirassol FC (-2.5) | 0% |
| LDU de Quito (-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% |
| Mirassol FC O/U 1.5 | 0% |
| Mirassol FC O/U 2.5 | 0% |
| LDU de Quito O/U 1.5 | 0% |
| LDU de Quito O/U 2.5 | 0% |
| Mirassol FC 1st Half O/U 1.5 | 0% |
| LDU de Quito 1st Half O/U 0.5 | 0% |
| LDU de Quito 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Mirassol FC 2nd Half O/U 0.5 | 0% |
| Mirassol FC 2nd Half O/U 1.5 | 0% |
| LDU de Quito 2nd Half O/U 1.5 | 0% |
Market context
Mirassol’s Copa Libertadores meeting with LDU de Quito was priced at **0% YES** on Polymarket, so the contract was effectively treating the named “more markets” outcome as dead money unless a very specific side market was confirmed and resolved to yes. On Polymarket, that means USDC is locked into conditional tokens on Polygon, and the settlement depends on the exact wording and the final status of the underlying match package rather than the abstract football result itself.
For a trader, the useful frame is recent precedent: these sides have already split two Libertadores meetings this season, with Mirassol winning 2-0 at home and LDU winning 2-0 in Quito, so there is no clean historical edge in the pairing. Public stat feeds also show both clubs coming into the tie with mixed domestic form rather than a dominant run, which matters because “more markets” contracts often resolve on ancillary match conditions, line availability or official scheduling rather than the scoreline alone. A 0% price usually signals that the market either expects the condition to be impossible or that the relevant reporting pathway is absent.
The main catalysts are therefore administrative, not tactical: official Libertadores match listings, team news, and any CONMEBOL or venue announcements that could affect what “more markets” covers and whether the event is settled as listed. Recent previews and live match pages had Mirassol and LDU scheduled for 13 August, with ESPN and other football databases carrying the fixture, so the practical watchpoint is whether the market’s resolver recognises the game in the exact form described and whether any dependency, postponement or market-definition issue appears before the 22:00 UTC settlement cut-off.[18][20]
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 Alternative UK, which mirrors the Polymarket order book directly.
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
- 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.
- 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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