Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) 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% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| FC St. Gallen O/U 0.5 | 100% |
| Sport Lisboa e Benfica O/U 0.5 | 100% |
| FC St. Gallen 1st Half O/U 0.5 | 100% |
| Sport Lisboa e Benfica 1st Half O/U 0.5 | 100% |
| FC St. Gallen O/U 1.5 | 99% |
| 2nd Half O/U 0.5 | 99% |
| FC St. Gallen 2nd Half O/U 0.5 | 99% |
| FC St. Gallen O/U 2.5 | 1% |
| Sport Lisboa e Benfica O/U 1.5 | 1% |
| Sport Lisboa e Benfica O/U 2.5 | 1% |
| Both Teams to Score in Second Half | 1% |
| 2nd Half O/U 1.5 | 1% |
| 2nd Half O/U 2.5 | 1% |
| FC St. Gallen 2nd Half O/U 1.5 | 1% |
| Sport Lisboa e Benfica 2nd Half O/U 0.5 | 1% |
| Sport Lisboa e Benfica 2nd Half O/U 1.5 | 1% |
| FC St. Gallen (-1.5) | 0% |
| Sport Lisboa e Benfica (-1.5) | 0% |
| FC St. Gallen (-2.5) | 0% |
| Sport Lisboa e Benfica (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| FC St. Gallen 1st Half O/U 1.5 | 0% |
| Sport Lisboa e Benfica 1st Half O/U 1.5 | 0% |
Market context
FC St. Gallen host Benfica in the first leg of their Europa League qualifying tie, with the return leg due a week later in Lisbon. The market’s **0% YES** implies this “more markets” contract is being treated as an effectively impossible basket, even though mainstream previews still view Benfica as a clear but not overwhelming favourite rather than a lock. [2][3]
Comparable pricing in public betting markets points the same way: Benfica are broadly quoted around **1.45** to win away, while St. Gallen are as high as **7.37**, which is consistent with a strong favourite but not with a zero-probability outcome. Analyst previews also lean towards a Benfica win, commonly landing on scorelines such as **1-2** and suggesting goals or BTTS as live sub-markets, which matters because a “more markets” contract can be sensitive to any extra selection being triggered. [1][3][5]
The main catalysts to watch are team news, late tactical rotation, and whether the market’s wording includes first-leg only outcomes or aggregates across both legs. Benfica’s travel load is modest, but their qualification schedule means any squad management ahead of the 30 July return could affect minute distribution and goal-related derivatives. St. Gallen have home advantage and a live chance of scoring, which is why any sportsbook move towards BTTS or over-goals markets would be the clearest sign that the prediction market is underpricing scope for an extra outcome. [1][2][4]
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 Best Prediction Markets, which mirrors the Polymarket order book directly.
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.
FAQ
- 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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