Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative UK) Pick polygram.ink (preferred broker) |
74% | 26% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
74% | 26% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 2nd Half O/U 0.5 | 74% |
| CA Rosario Central O/U 0.5 | 73% |
| O/U 0.5 | 67% |
| Racing Club O/U 0.5 | 65% |
| 2nd Half O/U 1.5 | 59% |
| CA Rosario Central O/U 1.5 | 55% |
| Both Teams to Score in Second Half | 55% |
| Racing Club O/U 1.5 | 52% |
| 2nd Half O/U 2.5 | 50% |
| CA Rosario Central 2nd Half O/U 0.5 | 50% |
| CA Rosario Central 2nd Half O/U 1.5 | 50% |
| Racing Club 2nd Half O/U 0.5 | 50% |
| CA Rosario Central O/U 2.5 | 47% |
| Racing Club (-1.5) | 42% |
| O/U 1.5 | 30% |
| Racing Club 2nd Half O/U 1.5 | 26% |
| Both Teams to Score | 18% |
| O/U 2.5 | 12% |
| CA Rosario Central (-1.5) | 6% |
| Racing Club (-2.5) | 6% |
| O/U 3.5 | 4% |
| CA Rosario Central (-2.5) | 2% |
| Racing Club O/U 2.5 | 2% |
| O/U 4.5 | 1% |
| O/U 5.5 | 1% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| CA Rosario Central 1st Half O/U 0.5 | 0% |
| CA Rosario Central 1st Half O/U 1.5 | 0% |
| Racing Club 1st Half O/U 0.5 | 0% |
| Racing Club 1st Half O/U 1.5 | 0% |
Market context
Traders on decentralised prediction markets give 74% probability to ca rosario central vs. racing club - more markets. More markets for the Primera División Argentina game, scheduled for July 28 at 8:15 PM ET.
Methodology
We read CA Rosario Central vs. Racing Club - More Markets from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative UK offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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