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Episode 002: Dr. David Blitzer, host Rick Ferri

Bogleheads On Investing Podcast

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Evolution of the S&P 500 Index Methodology

This chapter explores the transformative changes in the S&P 500's methodology over the past 25 years, highlighting the shift from full to float capitalization. It discusses the implications of these changes on stock eligibility, liquidity, and how index calculations adapt to modern market dynamics. The chapter also sheds light on the criteria for company inclusion and the strict protocols followed by the index committee, emphasizing the balance between transparency and confidentiality.

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