These data show the weight of gold we have in our custody on the last business day of each month. We publish the data with a lag of five business days.
Values are given in thousands of fine troy ounces. Fine troy ounces are best understood through defining both a fine troy ounce and a troy ounce. A fine troy ounce denotes only the pure gold content of the bar. A troy ounce is a traditional unit of weight used for precious metals. It is different in weight to an ounce, with one troy ounce being equal to 1.0971428 ounces avoirdupois.