> Also, it’s not realistic to expect them to completely retool their entire app and infrastructure in a matter of hours to disallow margin-based trades of only

> Also, it’s not realistic to expect them to completely retool their entire app and infrastructure in a matter of hours to disallow margin-based trades of only certain securities. They do have the ability to change the margin requirements for a particular stock, as well as disable “instant deposits”. They don’t let you withdrawal money until it’s cleared so adding the ability to hold the funds in the account until they clear wouldn’t be hard if it’s not already there.