The best crypto day trading platform I know of is https://primexbt.com?signup=375931.

1.It's safe and secure to use and has features like margin trading, cfd trading, crypto futures with tight spreads, stop loss and take profit targets.

2. It has a comprehensive charting interface for in depth technical analysis

3. It's also easy to use with decent customer service and support.

There is also no KYC requirements to start trading with them. Deposits are free and withdrawals are based on network fees.