US-Canada trade talks collapse as 50% tariffs take effect, Carney vows retaliationNewsEamonn Sheridan23/08/2026 | 20:07 GMTTagsCADAdd as a preferredsource on GoogleUS-Canada trade talks collapsed late Friday, triggering 50% tariffs on $20bn of Canadian goods. Carney vows dollar-for-dollar retaliation from September 8, calling the move a miscalculation as both sides trade blame over the failed deal.The breakdown reintroduces cross-border trade risk into North American markets just as investors had begun pricing in a de-escalation after weeks of negotiation.
The Canadian dollar has come under renewed pressure, with commentary pointing to a slide toward the low 70s against the US dollar, though that figure should be checked against a primary data feed rather than taken at face value. Steel, dairy and electronics exporters on both sides face the most direct exposure once Canada's retaliatory measures land on September 8. With formal USMCA renewal talks already underway with Mexico but not yet started with Canada, traders may read Ottawa's absence from that process as a signal of prolonged uncertainty rather than a swift resolution.
Energy markets remain a watchpoint given the sector's historic sensitivity to any broadening of tariff scope.--- A three-day Washington summit ended in collapse, reigniting the North American trade war with tariffs now live and retaliation locked in for September.Summary:Talks between US and Canadian negotiators collapsed late Friday after three days in Washington, despite Trump saying earlier in the week that a deal had "pretty much" been struck.
The US imposed 50% tariffs on about $20bn of Canadian goods, roughly 5% of Canada's total exports to the US, covering items such as wooden hockey sticks.Carney says Canada will match the tariffs dollar for dollar, with retaliation on US steel, dairy and electronics starting September 8.Carney called the US move "a miscalculation," accusing Washington of "uneconomic" and "unfair" demands.
USTR Jamieson Greer said Canada declined to finalise a deal that included aerospace supply chain coordination, critical minerals cooperation and a path to USMCA renegotiation.Formal USMCA renewal talks have begun with Mexico but not with Canada, leaving the timeline for de-escalation unclear. Trade talks between the United States and Canada collapsed late Friday night in Washington, ending three days of negotiation and reigniting a trade war that has simmered since early 2025.
The breakdown came just hours after President Trump told reporters that negotiators had "pretty much" struck a deal, even as officials from both sides continued working through a series of unresolved issues into the evening, according to CNBC.With no agreement reached before a midnight deadline, the US moved ahead with 50% tariffs on roughly $20bn worth of Canadian goods, about 5% of the total value Canada ships to the US annually. The list includes a wide mix of products, among them wooden hockey sticks, according to CNN.
Analysts note the tariffs are unlikely on their own to meaningfully affect American consumers, who are already dealing with elevated fuel costs, but the larger significance lies in the reopening of hostilities between two economies that had spent months trying to stabilise their relationship.Canadian Prime Minister Mark Carney responded within hours, framing the US action in stark terms. Speaking in Ottawa, he said Canada would match the new tariffs "dollar for dollar" beginning September 8, with retaliatory measures targeting US steel, dairy and electronics.
At a press conference, Carney described the tariffs as an act of aggression, saying "you're at war when you get attacked, we got attacked," according to NPR. In separate remarks carried by Reuters and CNBC, he called the US decision "a miscalculation," blaming the collapse of talks on what he characterised as "uneconomic" and "unfair" demands from Washington.The US side placed responsibility squarely on Canada.
US Trade Representative Jamieson Greer said in a statement that Canada "declined to finalize the trade deal under the terms agreed earlier this week." Greer outlined what the shelved offer would have delivered, including supply chain coordination on aerospace, cooperation on critical minerals, tighter enforcement against goods produced with forced labour, and the formal opening of USMCA renegotiation talks. Trump added to the exchange overnight, posting that Canada wanted "the benefits of being a State, without being one.
"The dispute complicates the broader push to renew the US-Mexico-Canada Agreement. Formal renegotiation talks have already begun between Washington and Mexico City, but discussions with Ottawa have not started, and this weekend's escalation casts fresh doubt on when, or whether, they will. For now, both governments appear locked into a retaliatory cycle, with the September 8 deadline for Canada's countermeasures set to be the next flashpoint to watch.
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