last sale rule(redirected from Last Sale Rules)
Last Sale Rule
A rule stating that an investor has the right to inquire about all relevant information regarding the last sale of a security. Specifically, the investor may inquire on the sale price, among other things. The last sale rule gives the investor access to more information than simply the current bid-ask spread.
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last sale rule
A National Association of Securities Dealers rule that permits investors to obtain information other than just the bid and ask on an actual trade.
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.