We can see similarity between BTCUSD month month chart and two days view chart: imgur.com
We can also imagine triangle which end this phase in two days.
If the trend of more triangles continues, the bitcoin chart may become to big one triangle from end 2017 to first quartal 2021.
It will end about 6 000 $ .
If the forecast will be right, will be advantageous short position with small leverage (to 2.5x). Lately long and this will repeated several times