I think the features are great the demand is great the market rate is so attractive but the quantity is limited, all these are the main reasons which increase the demand day by day and create a huge demand and 6th position in the world,
Because of the increasing number of bitcoin investors I think that the demand of bitcoin will continue increasing and which will surely cause the increasing in bitcoin price. I think that very soon people will even try to buy bitcoin above 20000$, which will be consider as the best and cheap price for bitcoin.