The chart below shows the extent to which the 100 stocks in the FTSE 100 Index are below their all-time highs (ATH). 

For example, RBS is currently 96% below its ATH. While Croda Intl, Prudential, RELX, Scottish Mortgage, and Micro Focus Intl are all within 1% of their ATH.

Observations:

• 12 FTSE 100 stocks are within 5% of their ATH.
• 22 stocks are currently more than 50% below their ATH.
• 4 stocks are currently more than 75% below their ATH (BT, RSA Insurance, Lloyds Banking, and RBS).
• The average of the falls from the ATH is 30% (the median is 25%).

The following chart is similar to the above but shows the number of days since the stocks hit their all time highs.

Observations:

• 6 FTSE 100 stocks have hit their ATH in the past week (Schroders, Informa, Prudential, RELX, Scottish Mortgage, and Micro Focus Intl).
• 28 stocks hit their ATH over 10 years ago.
• 8 stocks in the FTSE 100 Index hit their all-time highs in the last millennium (IAG, RSA Insurance, Aviva, Lloyds Banking, GlaxoSmithKline, Rentokil Initial, Kingfisher, and BT).
• The average of the number of days since the ATH is 1991 (5.5 yrs). The median is 840 (2.3 yrs).