Lately I have invested in cryptocurrencies, I leave you a page created by me to see the evolution of my profits, in this case I have invested €149 in FYI and €20 in BNB.
you can run it without uploading it to any web server. it connects to Binance and gets the current price every 10 seconds.
in the code you can easily see these amounts and customize it with your investments (purchase price and quantity)
In my case I have it published on my web space

the page call a api to Binance like: