you think this is the right time to buy and hold bitcoins? because from 19k its 11k today. 
And now it is getting even a lot cheaper. It has gone down to the $7,000 level several hours ago. But right now, it has gone back to more than $8,000. I hope this will not go down lower anymore. I have grown tired of looking at my portfolio crying with blood. I am very much optimistic though that within February we will be seeing a rebound.