I think the best measure of a yield curve inversion is the 30 year bond and the 3 month treasury. Look at the length of the past inversions between the 2 year and five and ten year bonds in the past: <img src=http://stockcharts.com/c-sc/sc?s=$TYX:$IRX&p=D&st=1996-01-01&i=p91402899242&r=6731> I wanted a ten year chart: <A HREF="http://stockcharts.com/h-sc/ui?s=$TYX:$IRX&p=D&st=1996-01-01&id=p91402899242" target="_blank">http://stockcharts.com/h-sc/ui?s=$TYX:$IRX&p=D&st=1996-01-01&id=p91402899242</A> Time to upgrade my StockCharts.com membership. RtS