avanza-investment-tracker

Process Avanza CSV exports, calculate TWRR/Modified Dietz returns, and track portfolio performance. Use when importing stock transactions, calculating investment returns, or managing portfolio data. Reads/writes a local SQLite database, and (for live prices and risk metrics) makes outbound HTTPS requests to Avanza, Riksbanken, and Yahoo Finance. Includes irreversible deletion commands (reset --hard, delete-tx, account delete) — see Security and Data Access in SKILL.md/README.