ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,831, issued on Feb. 18, was assigned to LIFFE Administration and Management (London).

"Exchange for physicals" was invented by Benoit Andre Lamour (London) and Anais Fabienne Christiane Dony (Vincennes, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for performing an exchange for physicals (EPP) may comprise receiving, with a matching engine module in communication with a processor, EFP data comprising an amount of securities to be traded and a price. The matching engine module may calculate a first delta percentage between the EFP data and an index based on the amount, the price, and an index value. The matching engine mo...