FTSE 100 Index

FTSE 100
Performance of the FTSE 100 index between January 1984 and March 2025
Foundation3 January 1984
OperatorFTSE Russell
ExchangesLondon Stock Exchange
Trading symbol
  • UKX
Constituents100 (March 2025)
TypeLarge-cap
Market cap£2.119 trillion (March 2025)
Weighting methodCapitalisation-weighted
Related indices
Websiteofficial website
Reuters.FTSE
BloombergUKX:IND

The Financial Times Stock Exchange 100 Index, also called the FTSE 100 Index, FTSE 100, FTSE, or, informally, the "Footsie" /ˈfʊtsi/, is the United Kingdom's best-known stock market index of the 100 most highly capitalised blue chips listed on the London Stock Exchange.