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PWCC500 vs S&P 500 from 2008 onward.
PWCC500 is an index of the auction prices of the top 500 sports cards that were released, at the latest, 1999. No cards printed after 1999 are included in this 500. Only cards which have sold a minimum of 10 times in the last 10 years and at least 2 times in the last 12 months are eligible.