Next Prime Minister of Sweden

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Active sub-markets

Market context

Sweden will hold its next parliamentary election on 13 September 2026, where the 349 elected members of the Riksdag will subsequently choose the nation’s next Prime Minister[1][4]. This market resolves to the individual who officially assumes office as Prime Minister following that election, excluding any interim or caretaker leaders[1]. The settlement window closes on 13 September 2026, with a final resolution deadline of 30 June 2027 if no Prime Minister is appointed by then[1].

Historically, Swedish Prime Ministers have almost always been appointed within weeks of election results, with no precedent for a prolonged vacancy since the modern parliamentary system was established[5]. The current 0% crowd-implied probability likely reflects uncertainty about which coalition will form rather than a risk of no appointment, as comparable cases from 2018 and 2022 show swift confirmations despite fragmented outcomes[5]. Traders should interpret this probability as a signal of coalition ambiguity, not institutional failure.

Key catalysts include the release of new opinion polls over the coming 81 days, which will clarify coalition scenarios and potential Prime Ministerial candidates[3]. Voters will receive their voting cards by 26 August 2026, confirming registration and polling station details[2]. The official vote count will be published live on val.se on election evening, with final results accessible there shortly after[2]. For market accessibility, German GlüStV implications and US CFTC reach define regulatory boundaries, while the “no-KYC up to $1,500” threshold allows traders to participate without identity verification for smaller positions, enhancing accessibility 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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, 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?

PolyGram 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 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.

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, PolyGram triggers a quick verification flow that finishes in minutes.