stock index

/stɑk ˌɪnˈdɛks/

Other forms: stock indexes; stock indices

Definitions of stock index

1. noun

   index based on a statistical compilation of the share prices of a number of representative stocks
   synonyms: stock market index

   examples:

   Dow-Jones Industrial Average

   an indicator of stock market prices; based on the share values of 30 blue-chip stocks listed on the New York Stock Exchange

   Standard and Poor's Index

   a broadly based stock market index

   type of:

   index, index number, indicant, indicator

   a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time