I found it a bit spooky in its tracking.
Its an overlay (white) of the current US Stockmarket, the SPX, over the market shenanigans in 2008 where the secular bear market became a plunge when Lehmann Bros filed for bankruptcy 15th September 2008 (upcoming Greek default? An Euro bank failure?). 2012 could be quite a year.
Greg's original post and analysis on his own blog is here.
You can follow (and I suggest you do) Greg's analysis and insights at: