Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| CF América (-1.5) | 100% |
| CF América (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| CF América O/U 0.5 | 100% |
| CF América O/U 1.5 | 100% |
| CF América O/U 2.5 | 100% |
| CF América 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| CF América 2nd Half O/U 0.5 | 100% |
| CF América 2nd Half O/U 1.5 | 100% |
| CF América 1st Half O/U 1.5 | 10% |
| Atlético San Luis 1st Half O/U 0.5 | 10% |
| Atlético San Luis 1st Half O/U 1.5 | 10% |
| Atlético San Luis (-1.5) | 0% |
| Atlético San Luis (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Atlético San Luis O/U 0.5 | 0% |
| Atlético San Luis O/U 1.5 | 0% |
| Atlético San Luis O/U 2.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| Atlético San Luis 2nd Half O/U 0.5 | 0% |
| Atlético San Luis 2nd Half O/U 1.5 | 0% |
Market context
Club América faced Atlético San Luis at Estadio Banorte in Liga MX on 16 August, with kick-off listed at 7:00 pm ET / 23:00 UTC and the game shown on TUDN and ViX in the US.[1][2][4] The market’s 100% YES implies the listed “more markets” condition was already fully priced or had been triggered by the time the settlement window closed, leaving no room for variance in a live-only read.
The historical frame is lopsided: América held a 17-5-3 head-to-head edge over San Luis in the available match record, which is the kind of baseline that often pushes side and derivative markets hard towards the favourite in Liga MX.[1][10] Recent pre-match pricing also leaned that way, with América offered around -195 on ESPN’s schedule page and -109 on Fox Sports’ live listing, while an independent preview described América as top of the table after three games and San Luis lower down after a mixed start.[7][11][8]
For a trader running this programmatically, the key variables were the official lineup release, any late squad or venue confirmation, and whether the match stayed on the listed broadcast slate without delay.[1][4][5] Because the settlement window ended at 23:00 UTC on 16 August, the workflow would typically poll the fixture feed, compare the market timestamp against the scheduled start, and only then decide whether to place or cancel conditional orders tied to pre-match status, kick-off integrity, or live confirmation.
Methodology
We track CF América vs. Atlético San Luis - More Markets across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- 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 Fees. 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.
- 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 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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