Patent attributes
Systems and methods for processing a discretion order in a dark pool matching environment may receive a first order of a first trader, and a contra second order defining a quantity reserved in an OMS of a second trader and a price range. When a first price of the first order is determined to be within the price range, (1) the price of the first order and (2) execution indicia selectable by the second trader to cause execution of a portion of the second order against a portion of the first order, are provided to the second trader. The first price of the first order and the execution indicia are not output or otherwise disclosed to the second trader, prior to determining that the first price of the first order is within the price range of the second order.