The bitcoin legend Hal Finney, said when Bitcoin was just a week old that Bitcoin cut go to $10 million one day. But to get there Bitcoin needed to become successful and be the dominant payment system in  the world.
We are very far away from that scenario, but we cut end there one day.

You can see Hal Finney predictions here.

 Sun, 11 Jan 2009
https://www.mail-archive.com/cryptography@metzdowd.com/msg10152.html