The outcomes of the upcoming fork is hard to predict . It is quite impossible to know what is going to happen . In the past , many forks lead to the dip of bitcoin price but not to the extent that it will give huge losses to the people . Yes, bitcoin may fall my 20% compared to the ongoing value but i think it will be wiser to wait for the fork to end and the alt coin to take a huge dip . Because ultimately at the end , after all the forks bitcoin is going to rule .
This is definitely true on which no one really knows or can predict on the things on what would happen ahead but we can already presume on the things that can possibly happen which is commonly that bitcoins price will definitely fall or corrected after the fork when people decide to get or make profit taking and go back in alts.