"Due to the exceptional volatility of the financial markets we are temporarily suspending reduced intraday margin". But they do not say to what. I guess it is full margin for now. Maybe their liquidation software doesn't work at all? Has anyone ever had their account liquidated by IB?
Check this link out. Hit the tab that corresponds to th einstrument you are trading and see the current margin. Some are back to 50%. http://individuals.interactivebrokers.com/en/trading/marginRequirements/margin.php?ib_entity=llc
IB is also worried about the remaining migration of interest rate instruments to CME and eventual a discruption on the TWS that this could cause: http://www.elitetrader.com/vb/showthread.php?s=&threadid=115518&perpage=6&pagenumber=2