Sweden’s parliamentary election on 13 September features a tight contest between the centre-right bloc led by Prime Minister Ulf Kristersson and the centre-left opposition headed by Magdalena Andersson, with recent polls showing the gap narrowing to roughly 2–3 points. Record advance voting—nearly one million ballots cast by early September, up 40% from 2022—signals elevated voter engagement ahead of polling day. Historical turnout averaged 84–88%, including 84.2% in the prior election, and the competitive race combined with sustained focus on healthcare, security, immigration, crime, energy, and climate issues has sustained participation levels consistent with that range. Trader pricing reflects these patterns, with the 84–86% and 86–88% bands capturing the bulk of implied probability based on current momentum and structural baselines.