This indicators will help you to compute portfolio performance and display results with a stats table and a nice monthly chart.

In this script you can do following:
Compose portfolio with up to 15 instruments
Change Initial capital / date range / rebalancing period
Compare portfolio performance with a benchmark
Compute basic stats
Compute instruments contribution
Display monthly performance of portfolio and benchmark
Change style for almost everything you see on your chart

Hope it will be useful for you!

Thanks to @MUQWISHI for helping me coding it.

Disclaimer
Please remember that past performance may not be indicative of future results.
Due to various factors, including changing market conditions, the strategy may no longer perform as well as in historical backtesting.
This post and the script don’t provide any financial advice.