The FTSEurofirst Index Series are tradable indices measuring the performance of European portfolios.
The Base Date is December 31, 1985.

They are a joint product of the FTSE Group

FTSE Group

FTSE Group is a world-leader in the provision of global index and analytical solutions. FTSE calculates indices across a wide range of asset classes, on both a standard and custom basis...

, and Euronext

Euronext

Euronext N.V. is a pan-European stock exchange based in Amsterdam and with subsidiaries in Belgium, France, Netherlands, Portugal and the United Kingdom. In addition to equities and derivatives markets, the Euronext group provides clearing and information services...

, providing pan-European indexes.

FTSE provided the structure, and Euronext a distribution and secondary market for cash and derivative securities.

• FTSEurofirst 80 Index – the 60 largest companies ranked by market capitalisation in the FTSE Eurozone Index and 20 additional companies selected for their size and sector representation.
• FTSEurofirst 100 Index - the 60 largest companies ranked by market capitalisation in the FTSE Developed Europe Index and 40 additional companies selected for their size and sector representation.
• FTSEurofirst 300 Index
  FTSEurofirst 300 Index
  The FTSEurofirst 300 Index is part of the FTSEurofirst Index Series and the FTSEurofirst 300 Indices, which are tradable indices measuring the performance of European portfolios....
  
   - the 300 largest companies ranked by market capitalisation in the FTSE Developed Europe Index.
• FTSEurofirst Euro Supersector Indices
  FTSEurofirst Euro Supersector Indices
  The FTSEurofirst Supersector Indices are 18 sector indices.The indices are derived from the FTSEurofirst 300 Index and are available in pan-European and Eurozone-only forms.They are based on the Industry Classification Benchmark.- List of Indices :...