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Better Data. Smarter Indexes.

CRSP sets the benchmark for accurate market data and precise market indexes. Over $3 trillion of assets are held in funds linked to CRSP Market Indexes, including the world’s largest mutual fund. CRSP Research Data Products, built on rigorous academic standards, powers market research, economic policy and modeling, and financial analysis and forecasting.

CRSP Market Indexes blend advancements in academic research with industry practice, reflecting the way money managers actually invest.

CRSP offers research-quality financial and economic data to academic, commercial and government institutions whose research and publications must withstand rigorous analysis for accuracy.

CRSP Market Indexes (CRSPMI) announces the market cap breakpoints and effective ranking dates for its September 2025 quarterly index rebalancing. [...]
Using CRSP Market Indexes Methodology, CRSP Count™ tracks changes in the number of securities by market cap segments - Mega, Mid, Small and Micro - through time. [...]
Why do some mid- and small-cap ETFs outperform others? A recent article from ETF.com highlights how benchmark index construction and methodology—especially market cap definitions—can significantly impact ETF performance. [...]

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