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S&P History by Decade

May 7, 2009

This is a follow-up to my last post on the S&P 500 Index’s performance from 2000 through April 2009.

It’s hard to believe that we are closing out our first decade of the New Millenium. If things don’t change for the remainder of 2009, this decade will be the worst in the history of the S&P. Just for fun, I put together a decade-by-decade look at the S&P. Here is what I found out:

S&P History by Decade

These are total returns but do not include fees, so the actual numbers would be lower. Check out that the last number is the last column. Had you invested $10 at the beginning of each month, starting in January 2000, you would have had $919.20 at the end of April, 2009. The bad part is, you would have invested a total of $1,120 over those 112 months! As you can see from the table, that’s never happened before.

Another interesting finding is that although the total return for the 1930’s was a negative 3.73%, you would have actually made money throughout the decade by dollar-cost-averaging. You would have invested $1,200 over the ten years and your end value would have been $1,750.01. That’s most likey not going to happen during the first decade of the 2000s.