Quote from 489:
Things have changed and in today's fully-electronic, HFT environment where trades occur in milliseconds, bust/adjust and auto-liquidation rules must be pre-programmed. Today brokers no longer have the luxury of calling clients to ask for a check that may never be forthcoming.
When NYSE goes back to full manual trading with Wednesdays off to catch up on the paperwork we can revisit.
And it must be noted that auto-liquidation in a fully electronic environment may not reduce risk for either the customer or broker.
Please read and understand the implications of the original post in the following thread written the day after the May 6, 2010 flash crash:
Should you close your IB accounts now?
http://www.elitetrader.com/vb/showthread.php?s=&threadid=198220&perpage=6&pagenumber=1