Yesterday's trading volume and open interest data for gold, silver, and copper on the Chicago Mercantile Exchange.

The trading volume of gold futures was 652473 contracts, an increase of 86053 contracts from the previous trading day. The open interest was 458641 contracts, a decrease of 6482 contracts from the previous trading day. The trading volume of silver futures was 226975 contracts, an increase of 21300 contracts from the previous trading day. The open interest was 156467 contracts, a decrease of 305 contracts from the previous trading day. The trading volume of copper futures was 253646 contracts, an increase of 168688 contracts from the previous trading day. The open interest was 280066 contracts, an increase of 1645 contracts from the previous trading day.