Trade negotiations between Washington and Ottawa collapsed late Friday, hours after the US president spoke of a “near-complete” deal. Tariffs of 50% on roughly 20 billion dollars of Canadian imports took effect in the first minute of Saturday morning. The weekend separated two prices: Friday’s close before the collapse, and Monday’s open after it. The gap between them represents the first genuine pricing of this conflict.
Canadian Prime Minister Mark Carney suspended negotiations late Friday 21 August, after three days of talks in Washington. He accused the US side of making “non-economic and unfair” demands in the final hours; according to his account, these included restrictions on Canada’s ability to conclude trade deals with other parties, and encroachments on protections for language, culture and sovereignty. At 00:01 on Saturday morning, US tariffs of 50% took effect. The covered Canadian imports are worth roughly 20 billion US dollars annually (equivalent to roughly 28 billion Canadian dollars), or about 5% of Canada’s merchandise exports to the United States.
The event was first priced at Monday’s open: USD/CAD jumped from Friday’s close of 1.37631 to 1.38074, recording an “Opening Gap” of 0.32%. It then reached 1.38199 by mid-session. More important than the size of the move was its pattern: the Canadian dollar declined against all six reference currencies by similar amounts (between 0.36% and 0.44%). Under the multi-currency comparison methodology established in our previous report, this indicates that the Canadian dollar alone was the source of the move, unlike the July and August wave, which measurement showed was driven by the US dollar.
Yet a half-percentage-point move still prices a limited dispute, not a rupture: the tariffs affect 5% of Canadian shipments to the United States, and the pair remains below its 10 August level of (1.39395). Positioning explains part of the price action: Hedge Funds entered the event holding the Net Short Position, which stood at 88,897 contracts. The Notional Value of the position was roughly ~8.9 billion Canadian dollars. The funds had covered 13.27% of a peak that was the largest in the report’s record since 2006; thus, the record bet they had partially reduced before the event returned to profit afterwards. The Friday 28 August report will reveal the first measured positioning after the collapse, the Bank of Canada decision is due on 2 September, and Canadian retaliatory tariffs take effect on 8 September.
USD/CAD — session closes, 10–24 August 2026
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