I think the price increase will bring back a few marginal cost miners. I'm curious to see how much is still dormant. We'll see once the price explodes. 

 And its gonna be colder in winter so they heat their houses with old s9s 😃 

 In addition a few frontrunning the price to be in the pole position for the bullrun.
I saw an official interview that the middle east already have 4 percent of the global hashrate. Game theory at its best.