Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
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% |
| Both Teams to Score | 100% |
| FC Alverca O/U 0.5 | 100% |
| FC Alverca O/U 1.5 | 100% |
| CF Estrela da Amadora O/U 0.5 | 100% |
| CF Estrela da Amadora 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% |
| FC Alverca 2nd Half O/U 0.5 | 100% |
| FC Alverca 2nd Half O/U 1.5 | 100% |
| CF Estrela da Amadora 2nd Half O/U 0.5 | 100% |
| CF Estrela da Amadora 2nd Half O/U 1.5 | 100% |
| FC Alverca (-1.5) | 0% |
| CF Estrela da Amadora (-1.5) | 0% |
| FC Alverca (-2.5) | 0% |
| CF Estrela da Amadora (-2.5) | 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% |
| FC Alverca O/U 2.5 | 0% |
| CF Estrela da Amadora O/U 2.5 | 0% |
| FC Alverca 1st Half O/U 0.5 | 0% |
| FC Alverca 1st Half O/U 1.5 | 0% |
| CF Estrela da Amadora 1st Half O/U 0.5 | 0% |
| CF Estrela da Amadora 1st Half O/U 1.5 | 0% |
Market context
FC Alverca and CF Estrela da Amadora will meet in the Portuguese Primeira Liga on 15 August at 10:30 AM ET. The market currently prices at 0% YES on Polygon, suggesting traders see negligible probability of additional markets materialising for this fixture before the settlement window closes at 14:30 UTC that same day. This reflects the compressed timeframe: roughly four hours between kick-off and deadline for new conditional token pairs to launch and achieve sufficient liquidity to trade meaningfully.
Polymarket's conditional token architecture depends on market creators deploying fresh contracts post-match or during play, then achieving sufficient USDC volume for price discovery. Historical precedent from Primeira Liga fixtures shows secondary markets rarely launch within hours of kick-off unless pre-scheduled by creators. The 0% reading suggests either no creator has pre-committed to launching additional markets, or traders assess the probability of such deployment as immaterial given the tight settlement window. Comparable fixtures in August typically see limited secondary market activity, as summer scheduling often draws smaller trading volumes across European football markets.
Traders monitoring this contract should track whether Polymarket's official market creator or third-party creators announce intentions to deploy conditional markets before or during the match. Fixture postponements, which occasionally affect Portuguese league scheduling, would extend the settlement window and shift probability calculations. Current squad news from both clubs remains secondary to the mechanics question: whether market infrastructure will exist to trade on specific match outcomes before the 14:30 deadline.
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 PolyGram, 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.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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