Invezz is an independent platform with the goal of helping users achieve financial freedom. In order to fund our work, we partner with advertisers who may pay to be displayed in certain positions on certain pages, or may compensate us for referring users to their services. While our reviews and assessments of each product are independent and unbiased, the order in which brands are presented and the placement of offers may be impacted and some of the links on this page may be affiliate links from which we earn a commission. The order in which products and services appear on Invezz does not represent an endorsement from us, and please be aware that there may be other platforms available to you than the products and services that appear on our website. Read more about how we make money >
Financial Times Industrial Ordinary Share Index (F.T. Index)
3 key takeaways
Copy link to section- The F.T. Index was one of the earliest stock market indices in the UK, focusing on industrial companies.
- It served as a benchmark for the performance of the industrial sector within the UK economy.
- The index has been succeeded by more comprehensive indices such as the FTSE 100.
What is the Financial Times Industrial Ordinary Share Index?
Copy link to sectionThe Financial Times Industrial Ordinary Share Index, often referred to simply as the F.T. Index, was an influential stock market index created to track the performance of industrial companies listed on the London Stock Exchange (LSE). Introduced in 1935, the F.T. Index was one of the first indices to provide a systematic measure of the stock performance of UK industrial firms.
The index was composed of 30 prominent industrial companies, representing a wide range of sectors such as manufacturing, mining, and utilities. By focusing on these companies, the F.T. Index provided valuable insights into the health and trends of the UK’s industrial sector.
Historical significance and evolution
Copy link to sectionThe F.T. Index played a crucial role in the financial markets by offering a reliable benchmark for the performance of the industrial sector. Investors, analysts, and policymakers used the index to gauge the economic environment and make informed decisions. Over time, the F.T. Index became an important tool for understanding market dynamics and investor sentiment towards industrial stocks.
In the latter part of the 20th century, the F.T. Index was gradually replaced by more comprehensive indices that covered a broader range of sectors and companies. The introduction of the FTSE 100 in 1984 marked a significant shift towards a more inclusive and representative measure of the UK stock market. The FTSE 100 includes the 100 largest companies by market capitalization listed on the LSE, offering a more holistic view of the market compared to the sector-specific F.T. Index.
Components and calculation
Copy link to sectionThe F.T. Index was a price-weighted index, meaning that each company’s influence on the index was proportional to its stock price. This calculation method was simpler than the market capitalization-weighted approach used in modern indices like the FTSE 100. However, it also meant that companies with higher stock prices had a greater impact on the index’s movement, regardless of their overall market value.
Importance and legacy
Copy link to sectionDespite being replaced by more modern indices, the F.T. Index holds historical importance as one of the earliest tools for tracking the performance of the UK’s industrial sector. It laid the groundwork for the development of more advanced indices and contributed to the evolution of financial market analysis.
The legacy of the F.T. Index can be seen in its influence on subsequent indices and the continued use of sector-specific benchmarks in financial markets. While investors now rely on broader indices like the FTSE 100 and FTSE All-Share, the principles established by the F.T. Index remain relevant in understanding market trends and economic conditions.
Related topics
Copy link to sectionTo expand your knowledge of stock market indices and their roles, consider exploring these related topics:
- FTSE 100 Index: A detailed look at the index that succeeded the F.T. Index, representing the 100 largest companies on the LSE.
- Stock Market Indices: An overview of various indices worldwide and their significance in financial markets.
- Market Capitalization: Understanding how the size of a company is measured and its importance in index calculations.
- Historical Market Analysis: Techniques and methods for analyzing historical stock market performance and trends.
The Financial Times Industrial Ordinary Share Index remains a significant part of financial history, illustrating the development and importance of stock market indices in economic analysis and investment decision-making. Exploring these related topics can provide a deeper understanding of the evolution and impact of financial indices.
More definitions
Sources & references

Arti
AI Financial Assistant