Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
73% | 27% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
73% | 27% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| IK Sirius | 73% |
| Draw | 17% |
| IF Brommapojkarna | 12% |
Market context
IK Sirius host IF Brommapojkarna in Allsvenskan with the market leaning to a Sirius win at 73% implied probability, which is broadly in line with the underlying matchup and recent head-to-head record. Sirius have had the better of this fixture over time, winning 9 of the last 12 meetings in one statistical set, while the most recent league meeting in July ended 2-1 to Sirius away from home.[3][5][12]
That price is easier to understand when set against the last few league results. Sirius have been strong going forward, with recent Allsvenskan scorelines including a 4-4 draw with Mjällby, a 3-0 win at AIK and a 1-1 draw with GAIS, which points to a side that is generating chances but not always controlling games cleanly.[2] Brommapojkarna have been more uneven, with a 1-1 draw against Hammarby and a 1-2 home defeat to IFK Göteborg in late July, following the 1-2 loss to Sirius earlier in the month.[15]
For traders, the main catalysts are team news and any late availability changes rather than a broader league angle. The live match pages from Sofascore, Flashscore and ESPN indicate line-ups and in-play updates are the key data points still moving expectations close to kick-off, especially if either side is missing a first-choice defender or forward.[1][4][8] Brommapojkarna’s recent schedule also leaves less margin for error if they are rotating after a tight run of league fixtures, while Sirius’ stronger historical edge means any credible absentee news on their side would matter disproportionately to a market already pricing them as favourites.[2][5]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $56K.
Methodology
Sports-specific comparison page for IK Sirius vs. IF Brommapojkarna. 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.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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