We have a bigger price today than 0ctober 11, 2017. Bitcoin is really unstable and can be pump and dump by groups of investors and traders. The change of bitcoin price is not really aa big as last year's price on today's price.
1 year ago Thursday, October 12, 2017 - $5439.39
(Today)Thursday, October 11, 2018 - $6221.45
Their is a big change from the past and the present price.