After for the past year and a half with BullBitTrade (braldendata.cyou) I requested to close my account and withdraw. They said I had to complete a 30-day cooling-off period. Then they said there was a minimum holding period for my last deposit. They make it as hard as possible to leave.
Pros: Segregated accounts|Comprehensive tools|Customizable dashboard|Detailed reporting
Cons: Slow to add new assets