Ex-Post

AAA

DEFINITION of 'Ex-Post'

Another term for actual returns. Ex-post translated from Latin means "after the fact". The use of historical returns has traditionally been the most common way to predict the probability of incurring a loss on any given day. Ex-post is the opposite of ex-ante, which means "before the event".

INVESTOPEDIA EXPLAINS 'Ex-Post'

Companies may try to obtain ex-post data to forecast future earnings. Another common use for ex-post data is in studies such as value at risk (VaR), a probability study used to estimate the maximum amount of loss a portfolio could incur on any given day.

RELATED TERMS
  1. Earnings

    The amount of profit that a company produces during a specific ...
  2. Actual Return

    The actual gain or loss of an investor. This can be expressed ...
  3. Ex-Ante

    A term that refers to future events, such as future returns or ...
  4. Value At Risk - VaR

    A statistical technique used to measure and quantify the level ...
  5. Ex-Post Risk

    A type of risk measurement technique that uses historic returns ...
  6. Discretionary Investment Management

    A form of investment management in which buy and sell decisions ...
Related Articles
  1. The Equity-Risk Premium: More Risk For ...
    Fundamental Analysis

    The Equity-Risk Premium: More Risk For ...

  2. Is tracking error a significant measure ...
    Trading Strategies

    Is tracking error a significant measure ...

  3. What Does The Dow Jones Industrial Average ...
    Investing Basics

    What Does The Dow Jones Industrial Average ...

  4. What's the difference between alpha ...
    Investing Basics

    What's the difference between alpha ...

Hot Definitions
  1. Halloween Strategy

    An investment technique in which an investor sells stocks before May 1 and refrains from reinvesting in the stock market ...
  2. Halloween Massacre

    Canada's decision to tax all income trusts domiciled in Canada. In October 2006, Canada's minister of finance, Jim Flaherty, ...
  3. Zombies

    Companies that continue to operate even though they are insolvent or near bankruptcy. Zombies often become casualties to ...
  4. Witching Hour

    The last hour of stock trading between 3pm (when the bond market closes) and 4pm EST. Witching hour is typically controlled ...
  5. October Effect

    The theory that stocks tend to decline during the month of October. The October effect is considered mainly to be a psychological ...
  6. Repurchase Agreement - Repo

    A form of short-term borrowing for dealers in government securities.
Trading Center