It is good for spot traiding
IDEX is an Ethereum-based decentralized exchange that includes Ethereum and ERC20 token pairs. Like EtherDelta, it uses smart contracts that allow users to manage their private keys and trade in a secure, peer-to-peer network. It also includes integration with the Ledger Nano S and Meta Mask Wallet, safer alternatives to fund management than manually entering your private key.
Idex is the very first etherium smart contract that supports trading
Most people say it is the most advanced etherium smart contract.
The platform supports most major languages in the world, it is accessible to most people in the world.
Its trading fee of 0.2% is seen to be below the general arguable average of 0.25% that's for market makers, and market takers are charged 0.01%