Next Prime Minister of Sweden

Platform comparison

Active sub-markets

Market context

Parliamentary elections to elect Sweden’s 349 Riksdag members are scheduled for 13 September 2026, with the new parliament subsequently appointing the Prime Minister[1][4]. The current crowd-implied probability of 0% for a specific outcome likely reflects the market’s focus on the eventual winner rather than a premature nomination, as no individual has yet officially assumed the role following this election cycle[3].

Historically, Swedish prime ministers have been appointed shortly after elections, with the 2022 election resulting in Ulf Kristersson’s appointment within weeks of the vote. Comparable cases show that interim caretakers do not count for resolution, and the market leans on the catalyst of the official parliamentary appointment rather than pre-election polls alone[2]. Polling aggregator PolitPro indicates Socialdemokraterna leading at 32.4%, suggesting Magdalena Andersson as the probable candidate, though coalition dynamics remain fluid[2].

Traders should monitor upcoming campaign-finance disclosures, scheduled coalition declarations, and the September 13 election results, as these will determine the official appointment. Recent news from the Swedish Government highlights efforts to protect the 2026 elections against foreign malign influence, which could impact voter turnout or coalition stability[5]. The market is leaning on the catalyst of the formal parliamentary vote, with PolitPro’s trend data serving as a key reference for candidate probability[2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Next Prime Minister of Sweden across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Election Predictions UK routes every trade through to Polymarket — at 0% fees.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

Where can I trade this market with the lowest fees?

On Election Predictions UK, 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.

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?

Not under $1,500 of lifetime trading volume. Above that threshold, Election Predictions UK triggers a quick verification flow that finishes in 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.