v0.3.0

New Features

• Metals and foreign currency
• Exact keyword periods for trailing returns
• Start unit tests

API Improvements

• Centralize refreshing and data recency checks inside Ticker class
• Validate config on package initialization
• Configure shared holdings for followed portfolio
• Manual portfolio definition

v0.2.0

• Switch configuration files to YAML
• Start data.Ticker API with metric methods
• Proper subparsers in argparse routine