	nymex rule change seen boosting energy trade the new york mercantile exchange said it will introduce exchanges for physicals efps to its energy futures markets april one an exchange spokeswoman said the change will allow oil traders that do not hold a futures position to initiate after the exchange closes a transaction that can subsequently be hedged in the futures market efps already in effect for platinum futures on nymex are expected to increase the open interest and liquidity in u s energy futures according to traders and analysts the commodity futures trading commission approved the rule change in february according to a cftc spokeswoman reuter 
