1. The trading volume of gold futures was 321,798 lots, an increase of 116,925 lots from the previous trading day. The open interest was 482,784 hands, a decrease of 3,935 hands from the previous trading day.
2. The trading volume of silver futures was 63,791 lots, an increase of 16,041 lots from the previous trading day. The open interest was 147117 hands, an increase of 1927 hands from the previous trading day.
3. The trading volume of copper futures was 73,432 lots, a decrease of 21,077 lots from the previous trading day. The open interest was 216,911 lots, an increase of 2,957 lots from the previous trading day.