Underlying security

Definition:

For options, the security that is subject to purchase or sold upon exercise of an option contract. For example, IBM stock is the underlying security for IBM options. For Depository receipts, the class, series, and number of the foreign shares represented by the depository receipt.

Investing Essentials


Copyright © 2011 Campbell R. Harvey, Professor of Finance, Fuqua School of Business at Duke University

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Market index

Market measure that consists of weighted values of the components that make up certain list of companies. A stock market tracks the performance of certain stocks by weighting them according to their... Read More

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