The present invention is systems and methods for trading. In accordance with these systems and methods, a plurality of trader work stations that are connected to a central server may be provided. Through the work stations and central server, the systems and methods may perform participant qualification, instrument creation, bid/offer entry and response, when hit and take, workup, price retention, price improvement, request for market, bid/off restoration, price generation, position conversion, marking to market, and delivery functions.