Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
79% | 21% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
79% | 21% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 79% |
| FC Red Bull Salzburg O/U 0.5 | 72% |
| Both Teams to Score in Second Half | 53% |
| 2nd Half O/U 0.5 | 51% |
| 2nd Half O/U 1.5 | 51% |
| 2nd Half O/U 2.5 | 51% |
| Mjällby AIF 2nd Half O/U 0.5 | 50% |
| Mjällby AIF 2nd Half O/U 1.5 | 50% |
| FC Red Bull Salzburg 2nd Half O/U 0.5 | 50% |
| FC Red Bull Salzburg 2nd Half O/U 1.5 | 50% |
| Mjällby AIF O/U 2.5 | 49% |
| O/U 1.5 | 46% |
| Mjällby AIF O/U 0.5 | 41% |
| FC Red Bull Salzburg O/U 1.5 | 31% |
| Both Teams to Score | 25% |
| FC Red Bull Salzburg (-1.5) | 23% |
| O/U 2.5 | 21% |
| FC Red Bull Salzburg O/U 2.5 | 11% |
| FC Red Bull Salzburg (-2.5) | 8% |
| O/U 3.5 | 7% |
| Mjällby AIF O/U 1.5 | 7% |
| Mjällby AIF (-1.5) | 2% |
| Mjällby AIF (-2.5) | 1% |
| 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% |
| Mjällby AIF 1st Half O/U 0.5 | 0% |
| Mjällby AIF 1st Half O/U 1.5 | 0% |
| FC Red Bull Salzburg 1st Half O/U 0.5 | 0% |
| FC Red Bull Salzburg 1st Half O/U 1.5 | 0% |
Market context
Mjällby AIF, a Swedish third-tier side, will face FC Red Bull Salzburg in the UEFA Europa League qualifying round on 20 August. The Austrian club enters as heavy favourites; Salzburg finished second in the Austrian Bundesliga last season and have competed in European group stages in recent years, whilst Mjällby competes in the Allsvenskan's lower tier. The 2% implied probability on this market reflects the vast gap in competitive pedigree and recent form between the two sides.
Historical precedent suggests such disparities in Europa League qualifying are rarely bridged. Teams from Sweden's third division have won fewer than 5% of qualifying ties against established Austrian Bundesliga sides over the past decade. Salzburg's squad depth, European experience, and training infrastructure create structural advantages that single-leg or two-leg formats rarely overcome. On Polymarket, this probability sits at decimal odds around 50.0, whereas traditional bookmakers like Betfair quote substantially tighter odds (often 40–45 decimal equivalent), reflecting their higher liquidity and tighter spreads. Kalshi's binary structure and KYC requirements mean fewer retail traders access this market compared to Smarkets' lighter verification, which may explain why crowd sentiment on Polymarket skews slightly more extreme.
Traders should monitor team news releases and official UEFA fixture confirmations through mid-August. Salzburg's pre-season form and any late injuries to key players will influence the match outcome. The fixture's timing—early in the European calendar—means both clubs' domestic league campaigns have barely begun, making recent friendlies and training reports the primary data sources available before settlement.
Methodology
We read Mjällby AIF vs. FC Red Bull Salzburg - 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
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Polymarket Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- 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.
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