A component of a stock symbol that indicates the shares of that stock are a second class of preferred shares. The "O" identifier can be seen after the dot of a NYSE stock symbol, or as the fifth letter of a Nasdaq symbol.


Every security on the market is assigned a ticker symbol, and preferred stocks use the letters M, N, O and P to denote the preferred stock's class. Companies can issue several classes of preferred stock at a time, and the highest-ranked preferred stock receives dividend payments first.

  1. Preferred Stock

    A class of ownership in a corporation that has a higher claim ...
  2. Nasdaq

    A global electronic marketplace for buying and selling securities, ...
  3. P

    A symbol that, when used as the fifth letter in a ticker symbol, ...
  4. Stock Symbol

    A unique series of letters assigned to a security for trading ...
  5. R

    1. An occasional fifth letter in a Nasdaq-traded company's ticker ...
  6. Market

    A medium allowing buyers and sellers of a specific good or service ...
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