present in trading market bit coins has great demand it has no particular time every day it's price going to increase. whenever you have to invest in bit coin. and next one is alt coins keeping investment in alt coins is really good for earning profit. actually when bit coins grow up then alt coins then alt coins falls down. when bit coins stay stable then alt coins in that time alt coins go up. and finally when bit coins fall then automatically fall. so it has relation so maintain very carefully bot h coins.