I reckon the price will fall come august 1st you can always count on people shitting themselves, just be ready to buy in when the time is right!
https://www.xbt.eu/Keep an eye on the stats here you can see when segwit locks in. I was watching this last week and the price of bitcoin was going up the more BIP91 was more likely to lock in. Made a nice profit this way
I have sold everything for USDT and in 5 days we shall see what happens!