Just hold both your BTC and BCH. If there really is a back room conspiracy for BCH to take over from BTC you will be able to see it coming, just watch the hash rate on both chains. Since the Chinese mining cartel controls the majority hash rate you can not rule out a black swan event.
Ya try to hold you Btc after August 1.Why because, anything may happen. No one know that.Either may increase in bitcoin price or else the bitcoin may change to BCC.I.e ,Bitcoin will be replaced by another altcoin. Their is a possibility for both. So keep calm till August 1.
You will need to sit on your BCH for a number of months most likely. Patience.