Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
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% |
| SK Brann O/U 0.5 | 100% |
| SK Brann O/U 1.5 | 100% |
| IK Start 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% |
| SK Brann 2nd Half O/U 0.5 | 100% |
| SK Brann 2nd Half O/U 1.5 | 100% |
| IK Start 2nd Half O/U 0.5 | 100% |
| SK Brann (-1.5) | 0% |
| IK Start (-1.5) | 0% |
| SK Brann (-2.5) | 0% |
| IK Start (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| 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% |
| SK Brann O/U 2.5 | 0% |
| IK Start O/U 1.5 | 0% |
| IK Start O/U 2.5 | 0% |
| SK Brann 1st Half O/U 0.5 | 0% |
| SK Brann 1st Half O/U 1.5 | 0% |
| IK Start 1st Half O/U 0.5 | 0% |
| IK Start 1st Half O/U 1.5 | 0% |
| IK Start 2nd Half O/U 1.5 | 0% |
Market context
SK Brann face IK Start in a Norwegian Eliteserien fixture on Sunday, 12 July, with bookmakers pricing Brann as overwhelming favourites at roughly 74% implied probability for a win. Traditional books like Betfair and Smarkets express this as decimal odds near 1.36, whereas Polymarket’s 0% YES crowd-implied probability on this specific “more markets” outcome suggests a stark divergence in market interpretation or liquidity depth compared to Kalshi’s probability-native format.
Historical head-to-head data shows Brann won the last meeting 1–0 in 2022, and recent stats indicate a 76% chance both teams score, with 76% of matches between them exceeding 2.5 goals [4][5]. While conventional odds favour an Over 2.5 outcome and BTTS Yes, the 0% YES on this Polymarket market implies either a unique contract definition (e.g., a specific correct score or rare event) or a liquidity gap not mirrored on Kalshi, where similar sports contracts typically show tighter probability spreads.
Traders should monitor final lineups and any in-play shifts in total goals, as Brann’s -1.5 Asian Handicap at -112 requires a two-goal margin [2]. ESPN lists live odds with Brann at -280 moneyline and Over 3.5 goals at +105, offering real-time validation points against Polymarket’s static pricing [6]. Unlike Kalshi’s KYC-restricted, US-only access, Polymarket’s global reach and lower fee structure may attract different liquidity, but the 0% YES here warrants caution until settlement confirms the exact market definition.
Methodology
We read SK Brann vs. IK Start - 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
- 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.
- 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.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets 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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