5 years - S+P vrs VIX - http://chart.finance.yahoo.com/z?s=%5eGSPC&t=5y&q=l&l=on&z=l&a=v&p=s&lang=en-US®ion=US http://chart.finance.yahoo.com/z?s=VXX&t=5y&q=l&l=on&z=l&a=v&p=s&lang=en-US®ion=US