Established in 2013, OKEx is built by OKcoin a Hong Kong company. It is a one-stop marketplace for cryptocurrency.
It offers more than being a stop for spot trading and derivatives exchange. With margin trading, bridges, mining pools, a cloud service, decentralized options with OKExChain, loans, broker options, and so on, OKEx is one of the most versatile exchanges out there.
They also have an education platform that helps you learn about exchange and trading in general. OKEx has a reach of over millions of users in over 100 countries with daily BTC futures trading volume around $1.5 billion.