Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
97% | 3% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
97% | 3% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 97% |
| IK Sirius O/U 0.5 | 93% |
| O/U 1.5 | 89% |
| 2nd Half O/U 0.5 | 86% |
| 1st Half O/U 0.5 | 81% |
| IK Sirius 2nd Half O/U 0.5 | 77% |
| IK Sirius O/U 1.5 | 74% |
| O/U 2.5 | 71% |
| IK Sirius 1st Half O/U 0.5 | 70% |
| IF Brommapojkarna O/U 0.5 | 62% |
| 2nd Half O/U 1.5 | 61% |
| Both Teams to Score | 57% |
| IK Sirius (-1.5) | 52% |
| IK Sirius O/U 2.5 | 49% |
| O/U 3.5 | 48% |
| 1st Half O/U 1.5 | 48% |
| IK Sirius 2nd Half O/U 1.5 | 44% |
| IF Brommapojkarna 2nd Half O/U 0.5 | 42% |
| IF Brommapojkarna 1st Half O/U 0.5 | 34% |
| Both Teams to Score in Second Half | 34% |
| IK Sirius 1st Half O/U 1.5 | 33% |
| 2nd Half O/U 2.5 | 32% |
| IK Sirius (-2.5) | 31% |
| O/U 4.5 | 28% |
| IF Brommapojkarna O/U 1.5 | 25% |
| Both Teams to Score in First Half | 23% |
| 1st Half O/U 2.5 | 22% |
| O/U 5.5 | 14% |
| IF Brommapojkarna 2nd Half O/U 1.5 | 12% |
| IF Brommapojkarna 1st Half O/U 1.5 | 9% |
| IF Brommapojkarna O/U 2.5 | 7% |
| IF Brommapojkarna (-1.5) | 3% |
| IF Brommapojkarna (-2.5) | 1% |
Market context
IK Sirius face IF Brommapojkarna in an Allsvenskan match on 10 August, with the crowd pricing the “more markets” set at a slight lean to **Yes** at 52%. That sits close to a standard coin-flip, but the underlying match odds point more clearly towards Sirius: multiple books have Sirius around 1.30-1.35 to win, while Brommapojkarna are listed out at roughly 8.5-10.0, which is the sort of gap that usually leaves room for player, goal and booking-related sub-markets to move sharply on team news.[2][6][14]
The historical frame is a high-scoring one. Recent model and betting pages for this fixture cluster around goals: ESPN’s market shows BTTS Yes at -180 and Sirius over 2.5 goals at -124, while other prediction pages also lean to over 2.5 and BTTS in the 70% range.[5][6][17] That kind of profile matters because “more markets” outcomes are often driven less by the result itself than by whether both teams score, whether one side controls the first half, and whether the match opens up after an early goal, which fits a game where Sirius are favoured but Brommapojkarna are still priced as capable of scoring.[3][7][18]
For traders, the key catalysts are the confirmed line-ups, late injury or suspension calls, and any indication of a rotated forward line or defensive reshuffle before kick-off. Sofascore and Flashscore are the most useful live sources for starting XIs, while odds screens show this market is already sensitive to small changes in the goal expectation: BTTS, over 2.5, and first-half result prices all sit in ranges that can move quickly if either side is missing a regular scorer or centre-back.[1][6][14]
Methodology
Sports-specific comparison page for IK Sirius vs. IF Brommapojkarna - More Markets. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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