Okex s a relatively new cryptocurrency exchange platform, having been split off from the well established OKCoin exchange in May 2017.
Okex digital exchange will allow you to trade cryptocurrencies, as well as cryptocurrency futures. It is this second feature that prompted the creation of OKEx in 2017. It is a subsidiary of the famous OKCoin exchange based on mainland China, and was split off in May 2017 to handle the futures trading part of the OKCoin business, so that OKCoin could focus on fiat/crypto exchange.