Goldman roll

Noun

 * 1)  The five-business day period (the 5th through 9th business day of the month proceeding the futures expiration month) when the Goldman Sachs Commodity Index is rolled forward (in 20% increments) into the next futures expiration month.
 * Cattle futures settled lower as funds transferred some of their August long positions into October cattle futures on this day three of the five days of the Goldman Roll.