FTSE 100 Index

The Financial Times Stock Exchange 100 Index, also called the FTSE 100 Index, FTSE 100, FTSE, or, informally, the "Footsie" /ˈfʊtsi/, is a share index of the 100 companies listed on the London Stock Exchange with (in principle) the highest market capitalisation. The index is maintained by the FTSE Group, a subsidiary of the London Stock Exchange Group.

FTSE 100 Index
FTSE 100 Index performance between 1984 and 2015
Foundation1984[1]
OperatorFTSE Group[1]
ExchangesLondon Stock Exchange[1]
Constituents100[1]
TypeLarge cap
Market cap£1.814 trillion
(as of May 2020)[1]
Weighting methodCapitalisation-weighted[1]
Related indices
Websitewww.ftse.com