Patent ID: 8332307

Claim:
A computer-based method for trading an exchange-listed securities futures product (SFP) on an underlying financial instrument for which a valuation equal to a net asset value can be calculated, such trading conducted on a secondary market on or away from an exchange, the method comprising: executing a trade of said securities futures product, said trade priced on the secondary market as a combination of an adjustment amount known and agreed to by the parties to the trade at the time of the trade, and a base valuation serving as a placeholder for a specific net asset value that will be calculated and published at or after a specified time, wherein a final numerical value will be assigned to said base valuation at or after the specified time; determining the price of said executed trade from a set of prices that are specified relative to at least one of (i) said base valuation and (ii) said base valuation with a basis adjustment, said set of prices comprising (a) a first price that is at a specified discount to at least one of (i) said base valuation and (ii) said base valuation with a basis adjustment; (b) a second price that is at least one of (i) at said base valuation and (ii) at said base valuation with a basis adjustment; and (c) a third price that is at least one of (i) at a specified premium to said base valuation and (ii) at a specified premium to said base valuation with a basis adjustment; submitting said executed trade for settlement at said determined price; said executing including receiving an order to buy or sell said securities futures product; and matching said received order with a complementary sell or buy order to trade said securities futures product relative to at least one of (1) said base valuation and (2) said base valuation with a basis adjustment; wherein a format of said order to trade said securities futures product comprises at least one of (i) a symbol; (ii) a root trading symbol for said securities futures product; (iii) a root trading symbol for said securities futures product and a FIX code designating both said securities futures product and said trading method; (iv) a root trading symbol for said securities futures product with an extension designating said trading method and (v) a trading symbol for said securities futures product designating both said securities futures product and said trading method; and wherein said executing is performed by one or more processors, said determining is performed by one or more processors, and said submitting is performed by one or more processors.