
What Is an Index? Examples, How It's Used, and How to Invest
May 18, 2025 · An index measures the performance of a basket of securities intended to replicate a certain area of the market such as the Standard & Poor's 500.
INDEX Definition & Meaning - Merriam-Webster
The meaning of INDEX is a list (as of bibliographical information or citations to a body of literature) arranged usually in alphabetical order of some specified datum (such as author, subject, or keyword).
What Is a Stock Market Index? - The Motley Fool
Sep 11, 2025 · Index funds offer a cost-effective way to match overall market performance for long-term gains. A stock market index shows how investors feel an economy is faring. An index collects data …
What is an index? Definitions & actionable insights | iShares
Oct 10, 2024 · WHAT IS AN INDEX? An index is an indicator, sign, or way to measure something. In financial terms, an index reflects the price of a collection of stocks, bonds, commodities, or other …
What is an index? | Definitions for investing | Pearler
Apr 13, 2025 · Definition: what is an index? An index is a way to measure the performance of a group of investments. Most often, it tracks a group of shares . Each index follows a set of rules. These rules …
What is an index? - MSCI
Indexes measure the performance of a market and enable investors to better understand the collective movement of a group of stocks, bonds or other security types. Markets can be defined in many ways.
Index: Definition, Meaning, and Examples - usdictionary.com
Jul 26, 2025 · "Index" refers to an organized system for listing or measuring information. Its diverse applications make it an indispensable tool in literature, economics, and technology.
INDEX | definition in the Cambridge English Dictionary
INDEX meaning: 1. an alphabetical list, such as one printed at the back of a book showing which page a subject…. Learn more.
Index Definition & Meaning | Britannica Dictionary
INDEX meaning: 1 : an ordered list: such as; 2 : an alphabetical list at the end of a book that shows the page where each thing in the list can be found
What is an index? | LSEG
May 2, 2025 · What is an index? An index is a hypothetical portfolio of securities designed to represent an asset class, market or market segment. For example, the well-known FTSE 100 Index measures …