various embodiments of the present invention are directed to systems and methods for algorithmic trading strategies and or systems and methods for use in executing an order directed to a security traded in a market more particularly one embodiment of the present invention relates to a method implemented by a programmed computer system for use in executing an order directed to a security traded in a market comprising calculating a plurality of expected market impacts associated with execution of the order over a plurality of different time periods calculating a plurality of expected price risks associated with execution of the order over the plurality of different time periods calculating a plurality of expected total costs associated with execution of the order over the plurality of different time periods wherein the plurality of expected total costs are calculated using the plurality of expected market impacts and the plurality of expected price risks and trading the security via execution of the order over a time period at which the expected total cost is optimal application_number US 78255610 A description detailed embodiments of the present invention are disclosed herein however it is to be understood that the disclosed embodiments are merely illustrative of the invention that may be embodied in various forms in addition each of the examples given in connection with the various embodiments of the invention are intended to be illustrative and not restrictive further the figures are not necessarily to scale some features may be exaggerated to show details of particular components therefore specific structural and functional details disclosed herein are not to be interpreted as limiting but merely as a representative basis for teaching one skilled in the art to variously employ the present invention referring now to fig1.