FTSE Indices

A set of stock indices managed by the FTSE Group

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What are FTSE Indices?

FTSE indices refer to several major UK stock market indexes. Stock indexes provide market analysts and investors with a gauge for monitoring the overall equity market.

Specifically, the FTSE (Financial Times Stock Exchange) indices represent stocks traded on the London Stock Exchange (LSE). They reflect the performance of UK stock shares as it unfolds in real time. A stock index provides investors with a reliable scale to monitor and compare overall market performance to returns on their specific equity portfolios.

FTSE Indices

History of the FTSE Group

The FTSE group, which is commonly termed “footsie”, is a joint venture that was created by the Financial Times of London and the London Stock Exchange (LSE) in 1984. The FTSE indices comprise blue-chip and other companies that are listed on the London Stock Exchange.

What are the Various FTSE Indices?

There are a number of different FTSE indexes that represent different segments of the UK stock market. They include the following:

FTSE 100 Index

The FTSE 100 index is viewed as an indicator of the overall health of the UK economy, as well as a qualifier for UK companies. It represents around 81% of the capitalized market of the LSE. It is made up of the 100 companies traded on the LSE with the largest market capitalization value. Components of the index must follow several requirements established by the FTSE Group, including free float and liquidity minimums.

It is not always the most reliable gauge of the domestic UK economy because many of its components are large multinational firms. The index is also vulnerable to fluctuations in the exchange rate for the British pound. Nonetheless, it is still the most frequently-quoted UK market index. It is a market cap weighted index. Among the component firms are Barclays (BARC), Royal Dutch Shell (RDSA), and Vodaphone Group (VOD).

FTSE 250 Index

The FTSE 250 index usually shows the performance of the UK economy better than the FTSE 100 index – primarily because it contains relatively more domestic, rather than international, companies. It represents mid-cap stocks traded on the LSE, consisting of the 101st to 350th largest companies by market cap. A significant number of companies in the FTSE 250 are UK investment trusts. Noteworthy component firms include Aston Martin Lagonda Global Holdings (AML) and City of London Investment Trust (CTY).

FTSE 350 Index

The FTSE 350 Index comprises the largest 350 companies, by market cap, listed on the  LSE. In other words, it consists of all the companies contained in the FTSE 100 index and in the FTSE 250 index. In effect, it consists of the largest, and largest mid-cap, companies traded on the exchange. However, in comparison to the prior two indices, it is much less widely followed.

FTSE Small Cap Index

The FTSE Small Cap Index, as its name implies, is comprised of companies with relatively lower market capitalization values. Specifically, it contains the 351st to 619th next largest market cap firms (beyond the FTSE 350) traded on the London Stock Exchange. Laura Ashley (ALY) and BlackRock Commodities Income Investment Trust (BRCI) belong to this group of stocks.

FTSE Fledging Index

The FTSE Fledging Index is comprised of the companies that meet the minimum listing requirements to be included in the main market of the LSE. However, due to their small market capitalization, they do not meet the requirements for inclusion in the FTSE All-Share Index, which includes all the components of the FTSE 100, FTSE 250, and FTSE SmallCap indices. There are, as of 2018, no liquidity requirements for constituents of the Fledgling Index. Component companies include Tex Holdings (TXH) and Hornby Railways (HRN).

The name of the index is somewhat misleading, as the components are not necessarily new firms – although many younger companies are contained in it. They are merely much smaller market cap value companies.

Types of FTSE Indices

How to Invest in FTSE Indices

Investors cannot invest directly in the indices. However, indirect investment is possible through the use of Exchange Traded Funds (ETFs) that track the indexes. Two of the most popular ETFs designed to mirror the performance of the FTSE 100 Index are the Vanguard FTSE 100 UCTIS ETF and the iShares Core FTSE 100 UCITS ETF. Of course, investors also have the option of simply buying shares in all the separate component companies of the index.


The major UK stock indexes are followed not only in the UK but globally as well. This is because the London Stock Exchange is considered the most important equity market worldwide, behind only the New York Stock Exchange.

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