An illegal action by a group of market manipulators buying and/or selling a security among themselves to create artificial trading activity, which, when reported on the ticker tape, lures in unsuspecting investors as they perceive an unusual volume.
Illegal practice by traders who manipulate the market by buying and selling a security to create the illusion of high trading activity and to attract other traders who may push up the price.
A practice in which brokers make numerous buy and sell orders for a security in order to create the appearance of high trading volume. This will cause the price of the security to move in the brokers' desired direction. Because this is a form of price manipulation, painting the tape is illegal. The "tape" refers to ticker tape. See also: Pump and dump.