Why would you want BCH to succeed in their attack on BTC. BCH in my view is essentially a cyber terrorist attack on BTC core, and a gambit by a few people with massive wallets to get an even larger chunk of the crypto-currency market.

Here is one source but it is all over the internet : https://www.cryptocoinsnews.com/bitmex-to-dump-bitcoin-cash-and-credit-users-with-bitcoin/