1. A method comprising: receiving a first and a second of one of buy side orders and sell side orders for an item, each of the first and the second orders specifying a plurality of terms comprising a near date and a far date, wherein at least one of the near date of the first order and the near date of the second order are mis-matched, and the far date or the first order and the far date of the second order are mis-matched; receiving a query for one of buy side orders and sell side orders, the query specifying a plurality of terms comprising a near date and a far date; identifying automatically in response to the query a set of orders comprising at least the first and second orders based on the near date of the first order occurring within a period of time from the near date of the query and the far date of the second order occurring within a period of time from the far date of the query, wherein the first and second orders are contra-side orders to the query and wherein at least one of the near date of the second order is mis-matched with the near date of the query and the far date of the first order is mis-matched with the far date of the query.