BID Price is the highest price a buyer of a security is willing to pay for a unit of the security at a particular time. These are the prices under the BID Column in green color. 


The highest bidder is willing to buy 5,500 shares of the stock at the price of 38.85 per share.  There are currently 5 bidders buying at the same price of 38.85 with a total of 5,500 shares.