The question for traders is 'will Ethereum Classic have market price'? There are all reasons to believe that it will. Essentially, Ethereum Classic is an Ethereum 'spinoff coin' with a wide user base of all current Ethereum users. Some of them will see the value of transacting on a censorship-resistant chain, some won't. This creates interesting arbitrage opportunities for smart traders. Additional reasoning why Ethereum Classic won't be worthless.
Both Poloniex a Bitfinex announced that they will assign their users both Ethereum and Ethereum Classic after the fork. This is a step in the right direction, now it's up to these major exchanges to enable Ethereum/ Ethereum Classic trading that will no doubt be demanded by users. Decentralized exchange Bitsquare announced Ethereum Classic trading right after the fork. Other trading venues will follow since there is a strong business case.
