COMEX copper sets record of $6.7270 a pound as US stocks reach 675,185 tonnes

COMEX copper set a new record of $6.7270 a pound on August 26, 2026, above the prior $6.7140 high of August 12. COMEX inventories rose for a 46th straight day to a record 675,185 tonnes. Tariff expectations of 15% from January 2027 and 30% from 2028 were still under consideration in Washington.

• COMEX record of $6.7270 a pound on August 26, 2026
• Prior record $6.7140 a pound set on August 12
• COMEX inventories up 46 straight days to 675,185 tonnes
• Proposed duties: 15% from January 2027, 30% from 2028