Most prices in a Time & Sales window are trades. Trades are displayed as a number, i.e., 415.70 An ask is displayed as a number followed by a lower-case a, i.e., 415.70a A bid is displayed as a number followed by a lower-case b, i.e., 415.70b A settle is displayed as a number followed by a lower-case s, i.e., 415.70sPrice Attributes