BK Hacken vs. Hammarby IF

Platform comparison

Active sub-markets

Market context

BK Hacken will travel to Hammarby IF on 31 May 2026 for a regular-season Allsvenskan fixture. The 44% implied probability for a Hacken victory reflects moderate confidence in the away side, though Swedish football's home-ground advantage typically shifts odds materially. Across major platforms, this market shows notable variance in how odds are presented: Polymarket displays decimal odds (approximately 1.79 for YES at current probability), whilst Kalshi and Betfair quote fractional and decimal formats respectively, and Smarkets uses decimal with tighter spreads on high-liquidity events. Fee structures diverge sharply—Kalshi charges flat commissions on winnings, Betfair takes a percentage cut on net profit, and Polymarket's AMM model creates implicit slippage that widens on larger positions. KYC requirements also fragment the market: Polymarket operates with lighter verification in most jurisdictions, Kalshi enforces stricter US-focused identity checks, and Betfair's global reach accommodates varied regulatory regimes.

Hacken finished the 2025 Allsvenskan season in mid-table, whilst Hammarby secured a European qualification spot. Head-to-head records over the past three seasons show Hammarby with a slight edge in home matches, winning approximately 55% of encounters at Tele2 Arena. Injury reports and squad rotation depth become critical in late May, as both clubs may prioritise cup competitions or manage fatigue ahead of the final stretch. Traders should monitor official team news releases from both clubs in the week preceding the match, particularly regarding key defenders or attacking players. Recent Allsvenskan form—typically published by the Swedish Football Association—will clarify momentum shifts that raw historical data may obscure.

Methodology

This page compares BK Hacken vs. Hammarby IF specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Polymarket 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). Polymarket Alternative routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Alternative, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Polymarket Alternative?

Zero. Polymarket Alternative routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.