Binance is by far the best centralized exchange when it comes to multiple trading options with a facility of deposit of both crypto and fiat. Easy deposit of multiple coins with very low fees and inbuilt one click option to convert coin deposit to bnb coin without trading and fees and that also instantly.
Facility of both leveraged and margin trading with a separate margin account and secutity of funds with mobile and email authentication.
Easy to use mobile app for both Android and iOS users. Customer support is very supportive to help and to implement suggestions.