knife 发表于 2011-11-9 14:12
can I short now according to Cobra inertia law?
not good for very short term, see cobra's post above.
Also, if the market keeps this low, today will be MDD >35. Cobra's rule #168 says, such a super MDD means a tradeable bottom is very near. So, short here could be not good for the next few days.