Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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% |
| O/U 3.5 | 100% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| Independiente Medellín O/U 0.5 | 100% |
| Independiente Medellín O/U 1.5 | 100% |
| CR Vasco da Gama O/U 0.5 | 100% |
| CR Vasco da Gama O/U 1.5 | 100% |
| Independiente Medellín 1st Half O/U 0.5 | 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% |
| Independiente Medellín 2nd Half O/U 0.5 | 100% |
| CR Vasco da Gama 2nd Half O/U 0.5 | 100% |
| CR Vasco da Gama 2nd Half O/U 1.5 | 100% |
| Independiente Medellín (-1.5) | 0% |
| CR Vasco da Gama (-1.5) | 0% |
| Independiente Medellín (-2.5) | 0% |
| CR Vasco da Gama (-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 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Independiente Medellín O/U 2.5 | 0% |
| CR Vasco da Gama O/U 2.5 | 0% |
| Independiente Medellín 1st Half O/U 1.5 | 0% |
| CR Vasco da Gama 1st Half O/U 0.5 | 0% |
| CR Vasco da Gama 1st Half O/U 1.5 | 0% |
| Independiente Medellín 2nd Half O/U 1.5 | 0% |
Market context
Independiente Medellín host Vasco da Gama in the Copa Sudamericana playoff first leg, and Polymarket is currently pricing the **YES** side of this “more markets” contract at **0%**, despite the underlying football market elsewhere being treated as broadly competitive rather than one-sided.[2][1] On-chain, that means traders are weighing USDC-funded positions on Polygon through conditional tokens, so the contract price reflects demand for the specific extra-market settlement rather than the match result in the abstract.[7]
That near-zero reading is best compared with the pre-match football pricing, where Medellín were quoted around 2.28 for the win, the draw at 3.25, and Vasco at 3.15, implying a tight contest rather than a runaway edge for either side.[1] Independent models were also split: some gave Medellín a modest home advantage, while others framed the game as close to even, with common leans towards goals or both teams scoring rather than a clean-sheet type of script.[3][5][12] In that context, a 0% market quote on ancillary outcomes usually signals either very thin activity or a view that the listed “more markets” set is unlikely to resolve in the trader-favoured direction.
The main catalysts are the same ones that move the base match market: confirmed line-ups, late injuries, rotation, and any tactical signal from the first leg at Estadio Atanasio Girardot, where altitude and travel can matter in South American knockout football.[1][4] Traders also watch the dependency chain around Polymarket settlement closely, because “more markets” contracts can hinge on what is or is not posted, suspended, or officially settled after kickoff, not just on who advances.[7][2] If team news or market definitions shift before the July 22 settlement window closes, the conditional-token payout profile can change quickly.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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 Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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