The lowest price at which competing market makers are currently offering to sell a security. A market order to buy is filled at the best ask, which increases and decreases continually in response to changes in supply and demand as buyers and sellers enter and exit the market. Compare to Ask; Best Bid; Bid. See national best bid and offer (NBBO).
Browse by Subjects
at the market
See All Related Terms »
contract for difference (CFD)
American Psychological Association (APA):
Chicago Manual of Style (CMS):
Modern Language Association (MLA):