September 7, 2026
Canada’s tiered counter-tariffs on C$27.6B of U.S. goods go live Sept. 8. Here is where the money moves.
As of 12:01 a.m. this morning, every U.S. shipment into Canada touching steel, aluminum, dairy, appliances, agricultural equipment, pulp and paper, plastics, or electronics carries a new cost. The tariffs did not wait for the open. Traders who haven’t repositioned are already behind.
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What Ottawa Put in Place
Canada applied counter-tariffs of 15%, 25%, and 50% on U.S. imports covering C$27.6 billion of goods, matching the corresponding U.S. tariff rates. The response is direct: after the U.S. imposed a 50% tariff on C$27.6 billion of Canadian goods effective August 22, Prime Minister Mark Carney announced Canada would match the incoming U.S. Section 338 tariffs dollar for dollar.
Goods subject to 50% tariffs include steel and aluminum products previously only subject to a 25% counter-tariff, along with furniture and clothing and apparel. The 25% counter-tariff catches appliances, dairy products such as cheese, fish and seafood, and certain steel and aluminum derivative products. Talks collapsed on August 21. U.S. officials have said no further bilateral talks are presently scheduled.
The Long Side: Domestic Steel Mills
When U.S. steel priced at 50% into Canada gets displaced, those tons stay home. Domestic producers absorb that volume at tighter spreads. That is the structural trade, and two names own it most cleanly.
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Steel Dynamics reported Q2 revenue of $6.1 billion with net income of $534 million. The order backlog is now nearly 45% higher than a year ago and extends into early 2027, with demand improving across commercial construction, data centers, manufacturing, warehousing, and healthcare. With shipments at second-quarter volumes, a 1% change in steel prices impacts quarterly sales by about $48 million, which means even modest spread improvement from Canada friction flows quickly to the income statement. STLD is the lead long.
Nucor’s Q2 EBITDA crossed $2.0 billion. Supportive federal trade policies, combined with demand from data centers and mega-projects, drove a second consecutive quarterly record for Nucor steel mill shipments. Looking ahead, Nucor is expecting higher earnings in the third quarter driven by steady demand and higher prices across its steel mills and steel products segments. NUE belongs alongside STLD on the buy side of Tuesday’s open.
Cleveland-Cliffs is the more complicated read. Nucor’s shares are up close to 50% this year, while Cleveland-Cliffs is in negative territory in 2026 due to ongoing balance sheet stress. CLF faces a net negative impact if Canadian steel competes with most of its products, though approximately 15% of the company’s volumes are Canadian-based. Tariff protection helps on pricing but does nothing for auto demand. Treat CLF as a secondary exposure rather than a primary position.
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The Avoid Side: Equipment and Appliances
Deere guided to approximately $1.2 billion in total tariff costs for fiscal 2026 on a pre-tax basis, representing a 3% margin headwind. Canada is one of Deere’s most significant markets, and Ottawa’s product list targets agricultural equipment. Caterpillar faces parallel exposure across equipment categories that cross north. Neither DE nor CAT earns a Tuesday morning buy; fade both on any gap-up open.
Whirlpool lands in the 25% appliance bracket, with Ottawa’s product selection designed to advantage domestic alternatives. Volume loss at WHR could be structural, not transitory. Avoid until the first post-tariff shipment data is in hand.
Risk That Cuts Both Ways
The NUE and STLD thesis depends entirely on trade friction holding. It is fragile in one specific way. Nucor, Steel Dynamics and Cleveland-Cliffs have shown they can fall hard on any credible hint of a tariff rollback. That deal talk collapsed, but the price action showed how fast the thesis unwinds if diplomacy resumes. Jefferies has maintained Nucor as its top pick despite increased risks, citing inexpensive valuations at current spot steel pricing. Size the position to survive a diplomatic surprise.
The Cheat Sheet
- Top Theme: Canadian counter-tariffs shift pricing power to domestic U.S. steel mills and away from cross-border industrial exporters.
- Stock to Watch: STLD. Record backlog, data center demand, and the most direct leverage to domestic spread widening.
- Sector to Watch: U.S. domestic steel. Trade friction is the catalyst; spread expansion is the mechanism.
- Biggest Risk: Any resumed Washington-Ottawa diplomacy can reverse the metals trade in a single session, as the late-August sell-off demonstrated.
- Biggest Opportunity: NUE and STLD on the long side while friction holds; fade DE, CAT, and WHR on strength.
- One Thing to Remember: Monitor the C$1.5 billion Regional Tariff Response Initiative expansion expected Tuesday, September 8. Any language hinting at softening conditions is the first signal that the diplomatic door is reopening.
