many people that says bitcoin prices could go down into some point in $4500~$5000 no one knows until when this beat trend will still keep occur. just need to hold your coin tightly or take risk to sell now and buy when lower.
But this is indeed a risk
If one has held coins down to this price level, it would be wise to wait for the reversal, instead of trying to guess the short. There is seemingly way more probability of the coin going up, than it is for it to retest and break early 2017 price levels. But we shall see!