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An agreement between an underwriter and an issuer in which the underwriter agrees to place as much of an offering with investors as possible, but is not responsible for any portion of the offering it fails to sell. For example, suppose an issuer makes a new issue of 100,000 shares. The issuer may make a best effort basis agreement with an underwriting firm for the underwriter to sell those shares to investors. If the underwriting firm only sells 90,000, however, it is not required to buy the remaining 10,000 from the issuer. This reduces the risk to the underwriter; to reduce the risk to the issuer, most best efforts are all-or-none offerings.
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1. An agreement by an investment banker to do its best to oversee but not guarantee the sale of a security issue in the primary market. See also underwriter.
2. An investor's market order to buy or sell a security in which the brokerage firm agrees to obtain the best possible price.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.