1. The trading volume of gold futures was 167,520 lots, a decrease of 23,744 lots from the previous trading day. The open interest was 449002 lots, an increase of 8011 lots from the previous trading day.
2. The trading volume of silver futures was 47,293 lots, an increase of 1,000 lots from the previous trading day. The open interest was 114,648 hands, an increase of 546 hands from the previous trading day.
3. The trading volume of copper futures was 59,821 lots, a decrease of 9,620 lots from the previous trading day. The open interest was 187,803 hands, a decrease of 2,816 hands from the previous trading day.