A
firm offer to buy or sell a certain security at a specific time. Quotes are
given for the price at which the market maker is willing to buy or sell the
security. The quote may be given in the form “$45 to $45.10,” which means that
the best bid price is $45 (the highest price that buyer is willing to pay is
$45) while the best offer price (the lowest price that a seller will sell for)
is $45.10.