Next Prime Minister of Sweden

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Active sub-markets

Market context

Parliamentary elections to elect Sweden’s 349 Riksdag members are set for 13 September 2026, with the newly elected parliament subsequently appointing the next Prime Minister. This real-world event defines the settlement window for the prediction market, which resolves only when an individual officially assumes office, excluding any interim or caretaker leaders.

Historically, Swedish prime ministerial transitions following elections have been predictable, often aligning with the leading party’s candidate. In the current poll trends, Socialdemokraterna leads with 32.4% support, and market odds show Magdalena Andersson at 76% probability, with Ulf Kristersson at 23%[2][3]. The 0% crowd-implied probability for “Other” reflects confidence that a valid Prime Minister will assume office before the 30 June 2027 deadline, consistent with past election cycles where no government collapse occurred post-election.

Traders should monitor official coalition announcements, polling shifts, and the Swedish government’s election security measures against foreign malign influence, which were recently highlighted by Government.se[5]. Key catalysts include the September 13 voting date, any snap election declarations, and the Riksdag’s formal appointment process[1][6]. Recent polling data from PolitPro and market odds from Polymarket provide real-time sentiment, but traders must note regulatory frameworks: German GlüStV and US CFTC rules may affect accessibility, while “no-KYC up to $1,500” allows limited participation without identity verification for this specific market.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Next Prime Minister of Sweden on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Legal 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.

Is this market available outside the US?

Polymarket Legal UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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, Polymarket Legal 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.