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 | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
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% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| CA Sarmiento O/U 0.5 | 100% |
| CA Sarmiento O/U 1.5 | 100% |
| CA Sarmiento 1st Half O/U 0.5 | 100% |
| CA Sarmiento 1st Half O/U 1.5 | 100% |
| CS Independiente Rivadavia 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 68% |
| CS Independiente Rivadavia O/U 0.5 | 61% |
| CA Sarmiento O/U 2.5 | 59% |
| Both Teams to Score in Second Half | 51% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| CA Sarmiento 2nd Half O/U 0.5 | 50% |
| CA Sarmiento 2nd Half O/U 1.5 | 50% |
| CS Independiente Rivadavia 2nd Half O/U 0.5 | 50% |
| CS Independiente Rivadavia 2nd Half O/U 1.5 | 50% |
| O/U 3.5 | 48% |
| CS Independiente Rivadavia O/U 2.5 | 47% |
| CS Independiente Rivadavia O/U 1.5 | 34% |
| CA Sarmiento (-1.5) | 16% |
| O/U 4.5 | 14% |
| O/U 5.5 | 3% |
| CA Sarmiento (-2.5) | 2% |
| CS Independiente Rivadavia (-1.5) | 1% |
| CS Independiente Rivadavia (-2.5) | 1% |
| CS Independiente Rivadavia 1st Half O/U 1.5 | 0% |
Market context
CA Sarmiento host CS Independiente Rivadavia in a Primera División Argentina fixture with the **More Markets** settlement tied to the game kicking off at 3:45 pm ET. The market’s **16% YES** implies a fairly low chance that the selected “more markets” condition is met, so traders are effectively pricing a tail outcome rather than a balanced coin flip.
Historical framing points to a tight, low-scoring matchup rather than a one-sided pattern. Across recent head-to-head datasets, Sarmiento has had a slight edge overall, with several sources showing a narrow lead in wins and a high draw rate; one database lists Sarmiento ahead 4-2 with 4 draws over 10 meetings, while another shows 3 wins, 2 losses and 1 draw in the last six.[2][6][7] That matters because these teams’ meetings have generally produced few goals, which tends to support lower-probability “more markets” outcomes unless the listed contract is tied to an unusually volatile stat line.[1][12][14]
The main catalysts are the final line-ups, any late injury or suspension news, and the live match state if the contract references goals, cards, corners or shots rather than the result itself. Recent stats pages show Independiente Rivadavia arriving with better recent form and more attacking output than Sarmiento, which is a meaningful counterweight to the historical head-to-head lean.[5][11][17] For cross-platform comparison, the key question is whether sportsbooks have already shaded for that form gap while the prediction market remains anchored near the historical low-scoring profile; if the sportsbook price moves late on team news, this contract can reprice 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 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.
- 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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