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Paper certificates (definitive securities) or electronic records (book-entry securities) evidencing ownership of equity (stocks) or debt obligations (bonds).
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.


A document; historically, a physical certificate but increasingly electronic, showing that one owns a portion of a publicly-traded company or is owed a portion of a debt issue. Securities are tradable. At their most basic, securities refer to stocks and bonds, but the term sometimes also refers to derivatives such as futures and options.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved


Collins Dictionary of Economics, 4th ed. © C. Pass, B. Lowes, L. Davies 2005


In general, any evidence of

an interest in corporate stock or stock rights or
an interest in any note, bond, debenture or other evidence of indebtedness issued by a government or corporation.
For certain tax purposes, however, the definition is more limited.
Copyright © 2008 H&R Block. All Rights Reserved. Reproduced with permission from H&R Block Glossary
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