https://www.recode.net/2018/1/17/16901466/bitcoin-price-cost-invest-cryptocurrencies-50-percent

The price of bitcoin has dropped 50 percent from its high of nearly $20,000 last month. Currently, it’s worth just over $10,000, according to CoinDesk.

At the end of 2017, bitcoin had shot up to 20 times its value since the beginning of the year. Like other cryptocurrencies, bitcoin is extremely volatile, meaning that huge price swings are not uncommon.