February 29, 2024

The FTSE 100 Index

The UK’s best-known equity index turns forty

We review the history of the FTSE 100 Index from its inception in 1984. We show how the index met demands for more up-to-date equity market information and how it benefited from the great expansion of equity trading. The FTSE 100 has also played a key role in the evolution of equity index design and reflects the openness of the UK’s financial markets.

What our research means for investors

The research helps investors understand the history and heritage of the FTSE 100 Index (and of FTSE Russell’s business).

Points of differentiation:

  • The FTSE 100 is the UK’s most popular large-cap index 
  • It follows transparent and logical rules 
  • Company CEOs play close attention to index membership

Key takeaways: 

  • The FTSE 100 was the UK equity market’s first real-time index
  • It is the best-known measure of the UK market’s health 
  • The index has played a key role in the evolution of equity index design