IK Sirius vs. IFK Goteborg - More Markets

Platform comparison

Market context

IK Sirius and IFK Göteborg are due to meet in an Allsvenskan fixture, with the “more markets” contract effectively pricing the likelihood that additional proposition markets around the game will be added before the settlement window closes. A crowd-implied 100% YES leaves almost no visible uncertainty, so on a prediction-market view the contract is behaving more like a listing-confirmation than a true football outcome trade.

Recent comparable pricing does not suggest a one-sided match outcome, which helps explain why the platform-specific market can still sit at certainty. Oddspedia’s market snapshot had IK Sirius as a narrow favourite at around 2.35 decimal, with IFK Göteborg at 2.65 and the draw at 3.70, while its model projected 1–1[1]. That matters for comparison: on Polymarket-style interfaces traders read an implied probability directly, whereas Kalshi, Betfair and Smarkets typically express the same view through decimal odds or exchange prices that then need translating back into probability, with fee structures and KYC access varying by venue. The underlying football fixture is therefore not the main driver here; the contract is more sensitive to whether the platform has already populated the promised market list and whether settlement conditions are met.

For traders watching the catalyst side, the relevant checks are the match listing, the publication of any late-added player or totals markets, and whether the exchange has finalised market availability before the 12:00 UTC settlement cut-off. Sportsbooks and exchanges can diverge on whether a fixture is tradeable to all users at all, because KYC coverage and regional access differ, while exchange fees can also change the effective value of a near-certain YES. Oddspedia’s live odds page is the clearest recent public marker that the game itself is active in the market ecosystem[1].

Sources: 1 · 2

Methodology

This page compares IK Sirius vs. IFK Goteborg - More Markets 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

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.

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.

Is Betfair a Polymarket alternative?

Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.

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.