# S&P 500 Value Index
The S&P 500 Value Index measures the value-style portion of the S&P 500 using book value, earnings and sales relative to price. In the standard style series, partial overlap with Growth is allowed.
Render the current official constituent/allocation list with company, ticker, sector, sub-industry, Value allocation factor, Value index weight, overlap status, effective date, prior classification and canonical company link. Include search, filters, sector concentration, top-weight analysis and change history.
A Value label is not proof of undervaluation; ratios can also become “cheaper” when fundamentals deteriorate.
Sources: https://www.spglobal.com/spdji/en/indices/equity/sp-500-value/ and the S&P U.S. Style Indices Methodology.