Supplementary Materials for "Who Leads the Trade? Responsibility, Algorithmic Influence, and Regret in Financial Human‑Algorithm Collaboration"

This archive contains the full supplementary materials for the article “Who Leads the Trade? Responsibility, Algorithmic Influence, and Regret in Financial Human‑Algorithm Collaboration”. The materials include:– the complete experimental code for the trading task,– anonymized participant- and trial-level datasets,– the full analysis notebook,– and all figures used in the manuscript. The experiment code reproduces the browser-based trading simulation used in the study. The dataset and notebook allow full replication of the statistical analysis and figures. Licences differ by component: code MIT, data and stimulus file CC BY 4.0.The chart images are screenshots of a third-party charting service, includedso the stimuli can be inspected; rights in the underlying data remain withtheir owners.