Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
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% |
| O/U 2.5 | 100% |
| Both Teams to Score | 100% |
| CF Cruz Azul O/U 0.5 | 100% |
| Chicago Fire FC O/U 0.5 | 100% |
| Chicago Fire FC O/U 1.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| CF Cruz Azul 2nd Half O/U 0.5 | 100% |
| Chicago Fire FC 2nd Half O/U 0.5 | 100% |
| Chicago Fire FC 2nd Half O/U 1.5 | 100% |
| CF Cruz Azul (-1.5) | 0% |
| Chicago Fire FC (-1.5) | 0% |
| CF Cruz Azul (-2.5) | 0% |
| Chicago Fire FC (-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 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| CF Cruz Azul O/U 1.5 | 0% |
| CF Cruz Azul O/U 2.5 | 0% |
| Chicago Fire FC O/U 2.5 | 0% |
| CF Cruz Azul 1st Half O/U 0.5 | 0% |
| CF Cruz Azul 1st Half O/U 1.5 | 0% |
| Chicago Fire FC 1st Half O/U 0.5 | 0% |
| Chicago Fire FC 1st Half O/U 1.5 | 0% |
| CF Cruz Azul 2nd Half O/U 1.5 | 0% |
Market context
Cruz Azul will face Chicago Fire FC in a Leagues Cup fixture on 13 August at 9:00 PM ET, with settlement occurring the following day. Polymarket currently prices this contract at 0% YES, reflecting either extreme confidence in a particular outcome or minimal liquidity in this specific conditional market. The settlement window closes 14 August at 01:00 UTC, giving traders a narrow window to position ahead of the match and resolve the contract thereafter. On-chain, positions settle in USDC on Polygon, with conditional tokens representing the underlying binary outcome.
Historical Leagues Cup results provide limited direct precedent for gauging Cruz Azul versus Chicago Fire specifically, though the tournament has featured consistent upsets since its 2019 inception. Cruz Azul's domestic form in Liga MX and Chicago's MLS standing heading into August will heavily influence match dynamics. The 0% probability suggests either that the market has collapsed to a single outcome with near-certainty, or that trading volume remains too thin to establish meaningful price discovery on this particular conditional market.
Traders should monitor team news through early August, including injury reports and squad rotation decisions, as both sides balance Leagues Cup commitments against domestic league fixtures. Chicago's recent form in MLS and Cruz Azul's Liga MX standing in the weeks preceding the match represent key catalysts. Fixture congestion and travel logistics for both clubs merit attention, particularly given the tournament's compressed schedule and the implications for player availability and fatigue levels.
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
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
- 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 does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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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