GAFAM Index tries to capture the power of the largest platforms in the wordl (Google, Amazon, Facebook, Apple and Microsoft). It includes economic, market and internal values to create a numerical index showing the relative power of each company, and a group value for the 5 of them over time. The index is calculated over the past 6 years and shows the evolution of the calculated metrics over time, in order to be able to compare results across companies and over an extended period of time.