It stands for market by price; a full range of bids and offers, and corresponding outstanding amounts available, of a security as displayed on a limit order book (LOB). This system shows best prices quoted and outstanding amounts at each price quoted in the market as well as other quotes that are away from the market. It also features open price/ YTM, high price/ YTM, low price/ YTM, last traded price/ YTM, last traded amount, total traded amount, and total bids and offers.