0x(ZRX) is listed on almost every exchange, so one should't have any problems of finding the token, We will outline the biggest ones tho:
Binance (ZRX/ETH; ZRX/BTC);
OKEx (ZRX/ETH; ZRX/BTC; ZRX/USDT);
Huobi (ZRX/ETH; ZRX/BTC);
Our opinion - We suggest You to choose from one of these exchanges, as they are the most trusted and has a nice interface, that is easy to get used to, as well as a support centre available all 24 hours everyday.
Secure Your bags and get ready to hear Our thoughts on price speculation for ZRX in the long term!