Next Prime Minister of Sweden

Platform comparison

Active sub-markets

Market context

Parliamentary elections to elect Sweden’s 349-member Riksdag are fixed for 13 September 2026, with the newly elected parliament subsequently choosing the next Prime Minister. The current crowd-implied probability of 0% for any specific candidate reflects the market’s recognition that no individual has yet been officially appointed or assumed office, as resolution requires formal assumption of the role, excluding caretakers.

Historically, Swedish prime ministers emerge from post-election coalition negotiations, often taking weeks to finalise. Comparable cases, such as the 2022 election where Ulf Kristersson assumed office in October after prolonged talks, show that early probabilities are volatile until party alliances solidify. The 0% figure aligns with this pattern, as the market waits for concrete coalition signals rather than pre-election speculation.

Traders should monitor three key catalysts: polling shifts from PolitPro, which currently shows Socialdemokraterna leading at 32.4% with Kristdemokraterna gaining momentum; scheduled campaign-finance disclosures ahead of September; and any declarations from party leaders at upcoming conventions. The market leans on polling aggregator data, particularly PolitPro’s trend analysis, as the primary indicator of coalition viability. Recent news from Government.se highlights heightened efforts to protect the election against foreign malign influence, adding another layer of dependency to watch.

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. Trump Prediction routes every trade through to Polymarket — at 0% fees.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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, Trump Prediction 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.