NOTICE: As of 2/2/2026, Morningstar has completed the acquisition of the Center for Research in Security Prices (CRSP). Learn more >>

What does it really mean to be passive in today’s U.S. equity market?

As U.S. equity markets evolve, so should the way they’re measured.

In an article published by ETF.com, CRSP explores why traditional, fixed-constituent benchmarks may no longer capture the full dynamics of today’s market.

By examining decades of market evolution and the impact of concentration, CRSP highlights how its market cap percentiles methodology provides a more consistent and adaptive measure of true market exposure.

Read the full article: The Merits of Rethinking Passive U.S. Equity Investing

Morningstar, a leading provider of independent investment insights, along with CME Group, the world's leading derivatives marketplace, today announced that they have entered into a multi-year licensing agreement for CME [...]
Per the Changes to Float Shares Investability Screen announcement on February 25, 2026, CRSP now includes a float-adjusted market capitalization test as part of the Float Shares Investability Screen for [...]
CRSP Market Indexes (CRSPMI) announces the market cap breakpoints and effective ranking dates for its June 2026 quarterly index rebalancing. [...]
VALLEY FORGE, PA (April 29, 2026)—Following Morningstar’s rebranding of the CRSP Market Indexes to Morningstar Indexes, Vanguard today announced upcoming changes to the names of multiple Vanguard U.S. equity index [...]
The rebrand of the CRSP indexes, with over $3 trillion in AUM benchmarked, solidifies Morningstar’s position as one of the top tier index providers and is an important new milestone [...]
Morningstar Indexes is changing the names of the CRSP Market Indexes. These changes will align the individual index names with the standard Morningstar naming convention. Morningstar will implement the name [...]
The April 2026 CRSP Market Indexes Methodology Guide is now available at crsp.org/indexes/crsp-market-indexes-methodology. [...]
Beginning July 1, 2026, governance of the CRSP Market Indexes will transition to the standard Morningstar Indexes Governance framework, replacing the governance authorities and procedures currently outlined in the CRSP [...]
As of July 1, 2026, CRSP will terminate the calculation and publication of the CRSP ISS ESG Indexes. [...]
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