System, method, and program products offer flexibility to the rather rigid way of trading in an electronic trading system. Orders for a tradeable object may typically get matched according to set terms and/or conditions at an electronic exchange. A trader may log onto the electronic exchange to trade the tradeable object, and may choose to display and trade the tradeable object according to a different set of terms and/or conditions. As such, the market data sent to the trader from the exchange is converted to a format according to the trader's selection, so that it may be presented to the trader in this format. Transaction messages sent to the exchange from the trader are converted to the format readable by the matching process, so that it can process the messages. Other features and advantages are described herein.