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The negotiation is over. This is the part that costs money.
For most of August, the Canada and US trade file read like a negotiation. There were deadlines, there were pauses, there was a number floating around for autos. On Saturday, August 22, it stopped being a negotiation. Talks broke down at the last minute, Prime Minister Carney said the American side asked too much and offered too little, and Washington imposed 50% tariffs on roughly $20 billion to $28 billion of Canadian goods, about five percent of what Canada ships south in a year.
Three days later, Ottawa answered. Effective September 8, Canada applies counter-tariffs to $27.6 billion of American imports, matching the US Section 338 rate item by item. Roughly 700 products are on the list, tiered at 15%, 25%, and 50%. That date is eight days from today, and unlike most of what has happened this month, it is not conditional on anyone changing their mind.
This is the distinction I keep coming back to with clients. A threatened tariff is a planning assumption. A scheduled tariff is a line item. You treat those two things very differently.
What actually gets more expensive on September 8
The 50% band is the one that will get the headlines: steel, aluminum, furniture, and clothing. The 25% band covers cheese, appliances, and some seafood. The 15% band covers electronics and tools. Notice what that list is. It is not exotic industrial inputs. It is the contents of a kitchen renovation, a back to school shop, and a home office.
The list also moved twice in three days before it was finalized, which tells you something about how live this file still is. Seafood was pulled out after industry consultation and then partially reversed. Copper wire and wood charcoal were added. If you run a business that imports from the United States, the specific line item matters more than the headline, and it is worth pulling the actual product list rather than relying on a news summary.
Alongside the tariffs, Ottawa announced a $7.5 billion package of supports: cash flow funding for small and medium enterprises, direct support for affected workers, and changes to Employment Insurance. For a business owner client, that package is not a side note. It is a program with eligibility criteria, and programs with eligibility criteria reward the people who read them early.
The GM signal, and why it complicates the pessimistic story
Then the weekend happened. Unifor members ratified a new agreement with General Motors that brings more than $1.1 billion of investment into Ontario, including Sierra pickup assembly at Oshawa, C$691 million toward V8 engine production, and C$215 million at St. Catharines for a new generation of transmissions starting in late 2029. The main agreement passed with 80.5% support, and the CAMI agreement in Ingersoll passed with 96.5%.
That is a company committing capital to Canadian manufacturing in the same week that Washington announced 50% tariffs on Canadian autos beginning January 1, 2027. Both things are true at once. That is usually the case, and it is usually the part that gets lost when a story runs hot.
I am not going to tell you the trade war is fine because GM signed a deal. I am going to tell you that the honest read is messier than either headline. Some capital is leaving, some is arriving, and the difference between those two often comes down to a specific plant, a specific contract, and a specific product line, not to a national narrative.
What we would actually do in the next eight days
First, if you own a business that buys American inputs, pull the product list and price the September 8 change on your actual purchase orders. Not a category estimate. The line items. Then decide whether pulling forward a purchase is worth the carrying cost, because for some inventory it is and for most it is not.
Second, if you are a cross-border household, look at where your spending sits rather than where your worry sits. Someone with a US property and Canadian income has a different exposure than someone with Canadian property and US compensation, and the counter-tariffs hit those two people in almost opposite ways.
Third, resist the urge to reposition a portfolio around a tariff schedule. Trade policy has changed direction four times this month. The trend is your friend right up until you start trading the news cycle, and then it is not your friend at all. The planning work here is on cash flow, timing, and currency, not on guessing which sector wins.
Eight days is enough time to do something useful. It is not enough time to do something dramatic, and that is usually a good constraint.
Frequently asked questions
When do Canada’s counter-tariffs take effect?
September 8, 2026. They apply to $27.6 billion of imports from the United States, covering roughly 700 products at rates of 15%, 25%, and 50%, matching the American rate applied to the equivalent Canadian good.
Which products are affected by the 50% Canadian counter-tariff?
The 50% band covers steel, aluminum, furniture, and clothing. The 25% band includes cheese, appliances, and some seafood. The 15% band covers electronics and tools. The Department of Finance publishes the full product list, and it has been revised more than once, so check the official list rather than a summary.
Will the counter-tariffs make things more expensive for Canadian consumers?
For goods on the list that are imported from the United States, yes, to the extent importers pass the cost along. Whether that happens depends on the product, the margin, and whether a non-US substitute exists. Categories with easy alternatives tend to see substitution rather than a straight price increase.
What support is available for Canadian businesses affected by the tariffs?
Ottawa announced a $7.5 billion package alongside the counter-tariffs, including cash flow funding for small and medium-sized enterprises, direct support for affected workers, and changes to Employment Insurance. Eligibility criteria apply, so it is worth reviewing the program details early rather than after the fact.
Are the 50% US tariffs on Canadian autos already in effect?
No. The additional 50% tariff on Canadian cars, trucks, auto parts, and steel was announced for January 1, 2027. The 50% tariffs that took effect on August 22 cover a different and narrower list of Canadian goods.
Should I change my investment portfolio because of the trade war?
Trade policy has shifted direction repeatedly over the past month, which makes it a poor basis for portfolio decisions. The more productive work is on the planning side: cash flow timing, currency conversion schedules, and whether your existing country and sector concentration reflects a choice you actually made. This article is general information and not investment advice.
Sources: Raymond James, “the Open” (subscription client newsletter, no public URL) | Department of Finance Canada, counter-tariff product list https://www.canada.ca/en/department-finance/news/2026/08/list-of-products-from-the-united-states-subject-to-counter-tariffs-effective-september-8-2026.html | Department of Finance Canada, countermeasures announcement https://www.canada.ca/en/department-finance/news/2026/08/canada-announces-targeted-countermeasures-and-substantive-support-for-workers-and-businesses-in-response-to-us-tariffs.html | CNBC https://www.cnbc.com/2026/08/22/us-canada-trade-talks-collapse-ushering-in-wave-of-new-tariffs.html | The Globe and Mail https://www.theglobeandmail.com/business/article-gm-plans-ontario-pickup-production-in-deal-that-would-pump-11-billion/ | The Washington Post https://www.washingtonpost.com/business/2026/08/25/canada-issues-retaliatory-tariffs-up-50-percent-us-imports/ | CNBC https://www.cnbc.com/2026/08/24/trump-canada-auto-tariffs-trade-war.html
This article is for general informational purposes only and reflects market conditions as of August 31, 2026. It is not investment, tax, or legal advice, and it does not account for your personal circumstances. Sartorial Wealth specializes in cross-border financial planning between Canada and the United States, and as a dual-registered firm we do not prepare tax returns. Markets and currency levels move quickly, and the figures cited may have changed since publication. Please speak with a qualified advisor before acting on anything here.
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