MSCI Inc. (MSCI:NYSE) closed at $615.62 on October 23, 2026, down 0.74% on the day. The stock trades 4.5% below its 52-week high of $644.77 and 22.9% above its 52-week low of $501.08. Over the past year, it gained 13.5%. MSCI Inc. is part of the Miscellaneous sector (Business Services).
In 252 trading sessions since October 23, 2025, MSCI closed higher on 130 days (52%). Its best day was October 28, 2025 (+8.58%) and its worst was July 21, 2026 (-10.14%). The stock moved 10% or more in a single session 1 time.
MSCI Inc., together with its subsidiaries, provides products and services to support the needs of institutional investors throughout their investment processes worldwide. The company operates through four segments: Index, Analytics, ESG, and Real Estate. The Index segment primarily provides equity indexes for use in various areas of the investment process, including index-linked product creation and performance benchmarking, as well as portfolio construction and rebalancing, and asset allocation. The Analytics segment offers products and services that help institutional investors understand and control for market, credit, liquidity and counterparty risk across various major asset classes, spanning short, and medium and long-term time horizons; and products and services that assist institutional investors with portfolio construction, risk management, performance attribution and regulatory reporting, as well as uses analytical content to create products and services, which offer institutional investors an integrated view of risk and return. The ESG segment provides products and services that help institutional investors understand how environmental, social, and governance (ESG) facto...
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Based on end-of-day data. For information only, not investment advice.