Website: https://advportopt.herokuapp.com/
This app was build using Yahoo finance free stock quotes yfinance and a library developed by Robert Martin PyPortfolioOpt.
PyPortfolioOpt library features several useful functions derived from modern portfolio optimization methods such as Risk Models, Mean-Variance Optimization, Black-Litterman Allocation and more.
Yfinance project helps with pulling historic data of stocks that are listed all around the world, including cryptocurrencies. This helps with portfolio diversification.
The webapp combine the two powerful libraries with a demo account for testing purposes. The build webpage is where the list of stocks should be input into. The optimal number is between 30 - 50 stocks. UK listed stocks are converted from pounds to dollars using an API.
Testing past performances and comparing models is now available.
Passwords are encrypted in a secure database.
I hope you will enjoy the app and find it useful!