IK Sirius vs. IF Brommapojkarna

Platform comparison

Market context

IK Sirius will travel to face IF Brommapojkarna in an Allsvenskan fixture on Monday, 10 August 2026. The 73% implied probability in this prediction market reflects a clear favourite assessment, though the specific settlement mechanics—whether the contract resolves on a Sirius win, draw, or Brommapojkarna victory—will determine how that probability distributes across outcomes.

Historically, Sirius has maintained stronger league positioning than Brommapojkarna in recent Allsvenskan seasons, which contextualises the current odds skew. However, Swedish football's mid-season form volatility means single-match probabilities of this magnitude warrant scrutiny against sportsbook lines. Traditional bookmakers typically price Allsvenskan matches with tighter margins than 73% moneyline odds suggest; if major sportsbooks are offering Sirius at 1.40–1.50 (roughly 67–71% implied), the prediction market's 73% represents a meaningful divergence worth tracking. Comparative analysis across Betfair, Pinnacle, and regional Swedish operators would reveal whether this reflects genuine edge or crowd overconfidence.

Key variables entering the settlement window include team news on injuries or suspensions, which Allsvenskan clubs typically announce 48–72 hours pre-match, and recent league form across both sides' preceding fixtures. Fixture congestion in late July could affect squad rotation decisions. Traders should monitor official Allsvenskan communications and club statements for lineup confirmations, as these often shift implied probabilities in the final trading hours before kickoff.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.