Interesting that this made to HN top, last week i posted as about my open source wealth tracker http://github.com/venil7/assets with all the same features, including self hosting
and it barely got any traction
Assets — Personal Wealth Tracker
https://github.com/venil7/assets
A self-hosted net worth and portfolio manager. Track multiple portfolios (ISA, General, Pension, Crypto, etc.) and monitor individual or total performance. Supports any asset available via the Yahoo Finance API, automatically converts to your base major currency.