#  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  W  V  X  Y  Z

Standard & Poor's 100 refer to 100 companies with the biggest market capitalization in S&P 500 index.
Standard & Poor's 100 index options are traded on the Chicago Board Options Exchange with the symbol OEX, and is one of the world's most actively traded stock indexes when talking trading volume.