Recent parliamentary by-elections include the October 8 Holborn and St Pancras contest, triggered by Keir Starmer’s resignation, and the August Clacton by-election following Nigel Farage’s earlier resignation amid standards scrutiny. Trader attention now centers on whether a recall petition or fresh investigation into Farage’s undeclared gifts could prompt another Clacton writ before year-end, alongside any health-driven or procedural vacancies from sitting MPs. Parliament’s return and the standards commissioner’s expected findings create near-term catalysts, while the absence of confirmed dates keeps probabilities sensitive to procedural timelines and party decisions on seat vacancies.