I did a similar analysis in 2008 to determine whether an n% drop in the index could be help inform an investment strategy: https://saffell.wordpress.com/2008/10

I did a similar analysis in 2008 to determine whether an n% drop in the index could be help inform an investment strategy: https://saffell.wordpress.com/2008/10/26/does-timing-the-market-work/ https://saffell.wordpress.com/2008/10/26/does-timing-the-mar...