#  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

Trailing P/E is a sum of company’s P/E on a past 12 moths basis.

Trailing P/E Ratio = Current Share Price \ Trailing Twelve Months EPS

As P/E is a relative ratio and can be calculated on the past or future 12 moths basis, Trailing P/E ratio is based exclusively on the past 12 months basis.