Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| CR Flamengo (-1.5) | 0% YES | 100% NO |
| Estudiantes de La Plata (-1.5) | 0% YES | 100% NO |
| CR Flamengo (-2.5) | 0% YES | 100% NO |
| Estudiantes de La Plata (-2.5) | 0% YES | 100% NO |
| O/U 1.5 | 0% YES | 100% NO |
| O/U 2.5 | 0% YES | 100% NO |
Market context
Flamengo and Estudiantes de La Plata are due to play a Copa Libertadores group-stage match in Rio de Janeiro, with the market settling on whether any of the listed “more markets” conditions are triggered before kick-off. The current crowd-implied probability at 0% YES suggests no-one has yet priced in a qualifying event, but that can change quickly if the exchange updates after team news, line-ups or a revised settlement interpretation. In comparable football event markets, late moves have often come from confirmation of the match timing rather than the sporting favourite, especially when the contract depends on exact start status or ancillary conditions rather than the final score.
For traders, the main watchpoints are Flamengo’s official team announcement, any Libertadores scheduling changes, and whether the exchange clarifies how postponed, delayed or abandoned play would settle under the USDC contract rules. The game is listed for 21 May 2026 at 00:30 UTC, so any pre-match delay around the Maracanã could matter more than form. Recent live feeds from Flashscore and Sofascore show the fixture as active and imminent, while 365Scores also lists the Maracanã venue and kick-off time, which is the key dependency for settlement. On the crypto side, spot BTC and ETH levels, plus funding-rate swings on major venues, can affect wider on-chain risk appetite, but they are secondary here unless market makers are repricing liquidity into the contract close to expiry.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. 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.
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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