Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 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
| CDP Junior FC | 100% YES | 0% NO |
| Draw (CDP Junior FC vs. CS Cristal) | 0% YES | 100% NO |
| CS Cristal | 0% YES | 100% NO |
Market context
Junior FC and CS Cristal are due to meet in the Copa Libertadores group stage, and Polymarket is pricing the contract at 100% YES on USDC settled via Polygon conditional tokens. At that level, the market is effectively saying the event is already treated as a done outcome rather than a live probability, so the main risk is not match uncertainty but whether the contract definition matches the real fixture, time and venue, and whether there is any late schedule change before settlement.
The closest comparable case is the reverse fixture in Lima, where Sporting Cristal beat Junior 2-0 on 28 April after Junior were reduced to ten men early on; that result mattered for group context but not for a market already fixed at certainty. In practice, a 100% price in Polymarket tends to sit alongside resolution mechanics rather than sporting edge: if the referenced match has been played and the settlement conditions are clear, the token usually tracks towards par; if there is ambiguity over naming, kick-off time, or cancellation, the yes outcome can still be disputed at resolution.
For traders, the key checks are official Libertadores fixture updates, club line-ups, and any CONMEBOL announcement on postponement or disciplinary action. Search results already show the return leg listed for 21 May at Estadio Romelio Martínez in Barranquilla, while some previews and score pages refer to the earlier 20/21 May window, so the exact UTC kick-off and whether the market’s settlement window aligns with the confirmed fixture are the main dependencies. If the match has already been completed, the relevant catalyst is no longer play itself but the resolution status on Polymarket and any post-match correction from the competition or data provider.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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.
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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 it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
Trade CDP Junior FC vs. CS Cristal on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →