I want compare Marketcap bitcoin to stock, where I can find the data thank you very much.
What do you mean by comparing bitcoin marketcap to stock? Doesn't make much sense.
If you want to look at the current bitcoin market capitalisation as well as various altcoin capitalisations, then i suggest you either go to coinmarketcap.com or coingecko.com(the first site is generally more respected and more used).
Currently, the figure stands somewhere around 20 billion USD.
Now the NYSE alone has around 20 trillion USD in all its listed stocks combined. The data was from here:
http://www.nyxdata.com/nysedata/asp/factbook/viewer_edition.asp?mode=tables&key=333&category=5If you need individual stock data, search it up on google.