Yes it is. Buying bitcoins at cheap prices doesn't come every days. Look at graph below
http://i64.tinypic.com/4grrtl.jpgIt turns out in each year Bitcoin had similar experience decline in early month January-Feb, the price will recovery in Feb-March and increasing up to Oct-Nov.
WOW that is spectacular to look at. what exchange did you use to look at 2k15 2k16 graphs like that individually?
