IK Sirius vs. IF Brommapojkarna - Exact Score

Platform comparison

Market context

IK Sirius and IF Brommapojkarna will meet in the Swedish Allsvenskan on 10 August 2026, with settlement tied to the final score after 90 minutes plus stoppage time. The market's 0% implied probability on the listed outcomes reflects either sparse liquidity at market open or genuine conviction that the actual result will fall outside the pre-specified scorelines, triggering an "Any Other Score" resolution. Across platforms, this distinction matters: Polymarket's binary YES/NO structure would force traders into the catch-all category, whilst Kalshi's exact-score format allows granular position-taking on specific results. Betfair's exchange model typically offers deeper liquidity on match outcomes but fragments across multiple exact-score selections, whereas Smarkets' commission-based fee structure (5% versus Kalshi's flat spread) can shift expected value on low-probability outcomes.

Sirius finished the 2025 Allsvenskan season mid-table, whilst Brommapojkarna occupied a lower position, suggesting a competitive but not heavily favoured matchup for either side. Historical Allsvenskan exact-score distributions show that 1–0, 1–1, and 2–1 results account for roughly 40% of matches, yet the remaining 60% scatter across dozens of outcomes—a pattern that explains why markets with limited pre-specified options often see substantial "Any Other Score" settlement.

Traders should monitor team news releases and injury updates in late July 2026, as absences of key players can shift expected goal-scoring patterns. Weather conditions on match day and any late fixture rescheduling announcements will also influence final positioning, particularly on platforms with different settlement-delay policies.

Methodology

This page compares IK Sirius vs. IF Brommapojkarna - Exact Score specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Alternative, which mirrors the Polymarket order book at 0% fees.

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

What does Polymarket cost vs Kalshi?

Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.

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.

What about Smarkets as an alternative?

Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.

Which platform is accessible globally?

Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.

Which platform supports Klarna/SOFORT?

Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.