
Price reached $17,900. 17 December 2017, $19,783.06 Increase, Price rose 5% in 24 hours, with its value being up 1,824. Because of the law of supply and demand, when fewer bitcoins are available, the ones that are left will be in higher demand and increase in value to. An increasing number of individuals and companies are now investing in Bitcoin, the world's largest and first fully-functioning cryptocurrency.