The UK 100 is based upon the FTSE 100 index, which represents a benchmark for the top 100 companies in the UK by market capitalisation. The FTSE contains shares from a number of prominent industries, including finance, oil and gas, pharmaceuticals and consumer goods. Due to the diversity and number of stocks that make up the FTSE 100 index, it’s considered an accurate representation of the UK’s economy. The leading FTSE 100 companies by market capitalisation include BP, GlaxoSmithKline, Unilever, British American Tobacco and HSBC. They are often referred to as blue-chip stocks, due to their longevity within the UK’s premier stock market. Our FTSE 100 chart updates in live trading hours, so you can monitor price movements on a regular basis. Spread bet or trade CFDs on the UK 100.