Barclays market cap history and chart from 2006 to 2018. Market cap is the most commonly used method of measuring the size of a publicly traded company and is calculated by multiplying the current stock price by the number of diluted shares outstanding. Barclays market cap as of September 24, 2018 is $40.19B.
||Banks - Foreign
Barclays PLC operates in commercial and investment banking, insurance, financial and other related services. Barclays subsidiary, Barclays Bank PLC maintains 2500 branches in the United Kingdom and 1000 branches in over 75 other countries.