Options Glossary

Kappa: A measure of the rate of change in an option's theoretical value for a one-unit change in the volatility assumption.

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This web site discusses exchange-traded options issued by The Options Clearing Corporation. No statement in this web site is to be construed as a recommendation to purchase or sell a security, or to provide investment advice. 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 may be obtained from your broker, from any exchange on which options are traded or by contacting The Options Clearing Corporation, One North Wacker Dr., Suite 500 Chicago, IL 60606 (1-800-678-4667).