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ILC Glossary of Financial Terms: U

From Underlying Securities to Unlisted

Underlying Securities:

The specific security that is bought or sold by exercising an option.


The purchase for resale of a security issue by one or more investment dealers or "underwriters." The formal agreements pertaining to such a transaction are called "underwriting agreements."


Two or more corporate securities (such as preferred shares and warrants) offered for sale to the public at a single, combined price.


A security not listed on a stock exchange but traded on the over-the-counter market.