Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets 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% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| O/U 5.5 | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| Inter Miami CF O/U 1.5 | 100% |
| Inter Miami CF O/U 2.5 | 100% |
| Atlético San Luis O/U 0.5 | 100% |
| Atlético San Luis O/U 1.5 | 100% |
| Inter Miami CF 1st Half O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Atlético San Luis 2nd Half O/U 0.5 | 100% |
| Inter Miami CF 1st Half O/U 0.5 | 99% |
| Inter Miami CF (-1.5) | 76% |
| Inter Miami CF O/U 0.5 | 68% |
| Atlético San Luis O/U 2.5 | 61% |
| Atlético San Luis 1st Half O/U 0.5 | 51% |
| Both Teams to Score | 50% |
| 1st Half O/U 1.5 | 50% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Inter Miami CF 2nd Half O/U 0.5 | 50% |
| Inter Miami CF 2nd Half O/U 1.5 | 50% |
| Atlético San Luis 2nd Half O/U 1.5 | 50% |
| Inter Miami CF (-2.5) | 28% |
| Atlético San Luis (-1.5) | 2% |
| Atlético San Luis (-2.5) | 2% |
| Atlético San Luis 1st Half O/U 1.5 | 1% |
Market context
Inter Miami’s Leagues Cup meeting with Atlético San Luis sits above the market’s current **76% YES** price, but not by a huge margin once you compare it with outside pricing. Sportsbooks are broadly aligned on Inter Miami as a strong home favourite: Hard Rock Bet lists Miami at **-275** in the three-way market, while Fox Sports shows a **68%** moneyline win likelihood and Sportsbet has Miami at **1.36** in the win-draw-win line, implying roughly a similar favourite profile[2][6][1]. That puts the prediction market at the optimistic end of the range, though not wildly detached from the wider board. Analyst-style models are more conservative: Sports Mole’s pre-match projection gives Inter Miami **58.48%** to win, with a **22.03%** draw probability and **19.49%** for Atlético San Luis, which is notably lower than both the crowd price and the sportsbook consensus[16].
For traders, the main catalysts are team news and the market’s read on whether Inter Miami can justify a shorter price than the three-way books. Late line-up information matters because the game is a short-turnaround cup fixture, and any rest or rotation for Inter Miami’s key attackers would press the YES probability lower; conversely, a full-strength XI would support the favourite case. Totals markets also matter as a cross-check: sportsbooks are heavily skewed towards goals, with Over 2.5 at **1.30** on Sportsbet and Over 3.5 at **-275** on Fox Sports, which suggests the “more markets” contract may be influenced by expectations of an open game rather than a narrow win[1][2]. Hard Rock Bet’s ticket split also shows overwhelming public support for Miami, which can keep favourite-related props tight even if the implied win probability stops rising[6].
Methodology
This page reviews Inter Miami CF vs. Atlético San Luis - More Markets across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Best Prediction Markets UK, which mirrors the Polymarket order book at 0% fees.
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'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.
- 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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- What are the best prediction markets for UK traders in 2026?
- For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.
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