Volatility is the life blood of the options markets, and investors have been getting plenty of it amid the implosion of the housing market and worries about tightening credit.

Bill Luby, the author of the VIX and More blog, a site that specializes in coverage of the Volatility Index, says we've come a long way from January when "it was widely accepted that volatility had died, crushed by the weight of an ocean of global liquidity."