OKEx is an online cryptocurrency exchange platform that allows users to trade a large variety of cryptocurrencies, fiat-backed tokens and derivatives.

The Hong Kong-based exchange was founded in 2014 and is operated by OKEX Technology Company Limited. The exchanges has since grown into one of the largest cryptocurrency markets in the world, with over 420 different trade pairs, regularly achieving over $10 billion in monthly transaction volume.

OKEx is available for both desktop and mobile devices, and currently offers its services to millions of users in over 100 countries. Like many other cryptocurrency exchanges, OKEx features a tiered fee system, charging as much as 0.2% for most users, but dropping to as low as 0.02% for high volume traders.