Pronóstico: IK Sirius vs. IF Brommapojkarna

Platform comparison

Market context

Polymarket has this contract at **73% YES** on USDC-settled, Polygon-based conditional tokens, so the market is already pricing Sirius as the likelier outcome rather than treating this as a coin flip. For a Monday Allsvenskan fixture with settlement tied to the full-time result, that level implies traders are leaning on Sirius’s stronger win profile rather than waiting for the first whistle to clear uncertainty.

The historical frame points the same way. Sirius have dominated the head-to-head in recent meetings, with sources variously showing 8-9 wins for Sirius, 2 wins for Brommapojkarna, and 1 draw across the last 11-12 clashes, including Sirius’s 2-1 away win on 12 July 2026 and a 4-2 away win in August 2025[4][6][10][11][15]. Recent form also tilts towards Sirius: they beat AIK 3-0 on 30 May, drew 4-4 with Mjällby on 3 July, then followed up with a 2-1 win over Brommapojkarna in mid-July and a 4-1 win over IFK Göteborg on 26 July[2][12][14]. That combination helps explain why the market is not closer to 50%.

The near-term catalysts are practical rather than narrative-driven: confirmed line-ups, late injury news, and any schedule or weather changes before kick-off can move the price quickly because Polymarket contracts reflect the final match outcome at settlement, not pre-match sentiment. Traders will also watch whether Brommapojkarna can reproduce the better attacking spells they have shown in some recent league games, as even small changes in availability can matter in a fixture where the market already assumes Sirius are ahead.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Pronóstico: IK Sirius vs. IF Brommapojkarna across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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 Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.