A comprehensive study carried out by Bitwise Asset Management has come to the conclusion that the majority of reported volume in bitcoin trading is faked. Some unethical bitcoin traders are deliberately manipulating the volume to encourage either buying or selling of the cryptocurrency. Bitcoin is currently valued at US$3,965.
https://www.notebookcheck.net/Study-declares-95-of-reported-bitcoin-trading-is-fake.414981.0.html
Now you know why it's called a bubble - not only because it can pop easily but because it's inflated as hell.