Sweden Parliamentary Election Winner: how this market works

What you need to know

This market asks which single political party will win the most seats in Sweden's national parliament in the September 2026 election. A win for the Social Democrats (S) means they end up with more seats than any other party in the Riksdag, Sweden's 349-seat parliament. A win for the Sweden Democrats (SD) means that party finishes first instead. The market currently treats an S victory as almost certain, pricing it at 97%. The market settles on whichever party holds the single largest number of seats after the September 13, 2026 vote, as confirmed by credible reporting or, if needed, the official Swedish Election Authority results. One important edge case: if the election does not happen at all before December 31, 2026, the market resolves as 'Other', not as a win for any party. A tie is broken first by total votes, then alphabetically by party abbreviation. None of the recent headlines provided relate to Sweden or this election. No relevant news is available to point to here. The kind of development worth watching for would be Swedish polling shifts, major party leadership changes, or any news about the current government's standing ahead of the 2026 campaign season. The market is heavily one-sided at 97%, so the real question is not whether two sides are equally likely, it is simply whether something unexpected disrupts the strong polling advantage the Social Democrats currently hold. The main risks are a surprise surge by another party, a significant political scandal, or a shift in voter sentiment over the 14 months remaining before election day. A lot can change in over a year, even when one side looks dominant.

The odds right now

• Swedish Social Democratic Party (S)+1.0 pts (1w)98%
• Sweden Democrats (SD)-0.8 pts (1w)2%
• Moderate Party (M)+0.3 pts (1w)1%
• Centre Party (C)0%
• Left Party (V)0%
• Christian Democrats (KD)-0.1 pts (1w)0%
• Green Party (MP)0%
• Liberals (L)0%
• Citizens' Coalition (MED)0%

Price history

How this resolves

Resolves September 13, 2026

Parliamentary elections are scheduled to be held in Sweden on September 13, 2026. This market will resolve according to the political party that wins the greatest number of seats in the Swedish Parliament (Riksdag) in this election. Read the full resolution rules on the live market page.

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