This information is provided by a third party vendor for educational purposes only. No statement in these articles is to be construed as a recommendation to purchase or sell a security, or provide investment advice by the Philadelphia Stock Exchange. Options involve risk and are not suitable for all investors. Prior to buying or selling an option, a person must receive a copy of Characteristics and Risks of Standardized Options. Copies of this document and the OCC Prospectus are available from your broker or the Philadelphia Stock Exchange, 1900 Market Street, Philadelphia, PA 19103. 1(800)THE-PHLX.