The breakdown of US-Canada trade negotiations has turned into a full-scale tariff confrontation after Washington imposed 50% duties on approximately $28 billion worth of Canadian goods. The measures took effect at 12:01 a.m. Eastern time on August 22, following a three-day delay, and target products including wine, furniture, dairy, cement, clothing, fishing rods and hockey equipment.
Canadian Prime Minister Mark Carney responded with an explicit escalation. ‘You’re at war when you get attacked. We got attacked,’ he said. Canada’s retaliatory tariffs are scheduled for September 8 and will apply dollar-for-dollar to U.S. steel, dairy products, household appliances, agricultural equipment, electronics, pulp and paper.
The collapse came despite signals earlier in the week that a deal was near. President Donald Trump had said negotiators had ‘pretty much’ struck an agreement, but by Friday night both sides blamed each other. U.S. officials accused Canada of introducing new demands and walk-backs; Carney said Washington added last-minute terms that were ‘uneconomic, unfair’ and would restrict Canada’s ability to pursue independent trade agreements.
A central sticking point was medium- and heavy-duty trucks. Canadian negotiators wanted Ford F-350 and Chevrolet Silverado models included in any reduction from the existing 25% auto tariff to 15%, but the U.S. resisted. Carney argued the exclusion would make Canadian-made trucks less competitive. Ontario Premier Doug Ford backed the decision, calling the proposed terms ‘a bad deal for Ontario’ and for the auto, steel and manufacturing sectors. Steel tariffs on Canada remain at 50%, compared with 25% for most other countries.
U.S. Trade Representative Jamieson Greer called the breakdown ‘a missed opportunity’ and confirmed no new talks are scheduled. The Canadian Chamber of Commerce warned that businesses should ‘brace for impact.’ The trade relationship is substantial: total U.S.-Canada goods trade reached roughly $715.5 billion in 2025, with Canadian goods exports heavily dependent on U.S. demand. Before the retaliation announcement, USD/CAD was trading near 1.3767, down from about 1.4200 in early July. For digital asset markets, the escalation adds another macro uncertainty layer, as prolonged trade conflict can tighten financial conditions and influence risk sentiment.