Mar 19, 2026
Throughout most of my career, the S&P 500 has been an appropriate bogey to assess manager performance. More than that, it’s the most widely used benchmark in the capital markets.
But today,
it doesn’t represent the broad-based,
diversified exposure to the U.S. economy that most participants
take for granted when investing passively or measuring manager
skill.
This WTT, When the Benchmark Becomes a Bet, considers the
evidence, implications, and challenges posed by the
current composition of the S&P 500.
Read Ted’s blog here.