TryNinja already give you a nice solution, but there are some other ways to do this, maybe you can try with a JS widget. If you search for them then you will find tons of it. But I would like to recommend the one from co-in.
<!-- Cryptocurrency Price Widget --><script>!function(){var e=document.getElementsByTagName("script"),t=e[e.length-1],n=document.createElement("script");function r(){var e=crCryptocoinPriceWidget.init({base:"USD,EUR,CNY,GBP",items:"BTC,ETH,LTC,XMR,DASH",backgroundColor:"FFFFFF",streaming:"1",rounded:"1",boxShadow:"1",border:"1"});t.parentNode.insertBefore(e,t)}n.src="https://co-in.io/widget/pricelist.js?items=BTC%2CETH%2CLTC%2CXMR%2CDASH",n.async=!0,n.readyState?n.onreadystatechange=function(){"loaded"!=n.readyState&&"complete"!=n.readyState||(n.onreadystatechange=null,r())}:n.onload=function(){r()},t.parentNode.insertBefore(n,null)}();</script><a href="https://currencyrate.today/" rel="noopener" target="_blank">CurrencyRate.Today</a><!-- /Cryptocurrency Price Widget -->
I like this one because you can personalize the coins and the colors you want to use for your widget. And it looks like this:
Source:
https://co-in.io/crypto-price-widget/