according to this Tech Crunch article, bit coin cash is very difficult to trade. Most wallets are inaccessible on exchange networks. The price of the cash has been falling.
when it does become available it will likely crash. It's frustrating that outfits such as coinbase refuse to grant people access to their bitcoin cash before the price crashes.
As soon as people can move the bitcoin cash and it becomes more mineable it will likely fall further.
https://techcrunch.com/2017/08/02/wtf-is-bitcoin-cash-and-is-it-worth-anything/