Canadian Energy Stocks Jump as U.S.-Iran Tensions Lift Oil, While Miners Drag Down TSX

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A renewed confrontation between the United States and Iran sent another jolt through global markets, but the reaction in Toronto was anything but straightforward. Canadian energy shares climbed as concerns about oil shipments through the Strait of Hormuz pushed crude prices higher. At the same time, declining gold prices weighed on mining companies, preventing the broader market from making meaningful progress.

The opposing moves left the S&P/TSX Composite Index hovering close to unchanged in early Monday trading. Beneath that calm headline number, however, investors were rapidly repositioning for a world in which geopolitical risk, energy-driven inflation and higher interest rates could remain major forces. For Canada’s resource-heavy market, the session demonstrated how an oil shock can create clear winners without necessarily lifting the index as a whole.

Energy Gains Keep the TSX Near the Flatline

The S&P/TSX Composite Index was up just 0.03% at 35,313.62 in mid-morning trading on July 13. That barely visible gain concealed a much more dramatic divide between sectors. Energy stocks advanced approximately 2%, following crude oil prices higher, while the materials sector declined 1.5% as gold weakened. Seven of the TSX’s 10 major sectors were trading higher, yet the losses among miners were large enough to absorb most of that positive momentum.

The session illustrated why the headline index can sometimes provide an incomplete picture of the Canadian market. A person looking only at the TSX’s near-zero movement might assume that little was happening. In reality, billions of dollars were being shifted between companies expected to benefit from higher oil prices and those facing pressure from weaker precious metals. Technology shares fell approximately 0.4%, while financial stocks slipped 0.1%, adding to the resistance facing the energy-led rally. It was a quiet index move produced by an unusually active rotation underneath.

Renewed Fighting Restores Oil’s Geopolitical Premium

Oil prices climbed after American and Iranian forces exchanged missile and drone attacks and clashed over control of the Strait of Hormuz. Brent crude, the international benchmark, rose roughly 3% to $78.22 per barrel during European trading, while West Texas Intermediate gained about 2.4% to $73.75. Brent had recently fallen as low as $70.14, meaning the latest confrontation quickly restored a sizable geopolitical premium to the market.

The reason for the sharp reaction is the enormous amount of energy that passes through the Strait of Hormuz, a relatively narrow waterway connecting the Persian Gulf with the Arabian Sea. During the first half of 2025, approximately 20.9 million barrels of oil per day moved through the strait. That represented about one-fifth of global petroleum-liquids consumption. Even limited disruptions can therefore affect tanker schedules, insurance costs and the price buyers are willing to pay for immediately available crude. Markets do not need to see a complete closure before reacting; credible uncertainty over future shipments is often enough to push prices higher.

Canadian Producers Gain From Higher Benchmark Prices

Canada enters an oil-price shock from a position of considerable production strength. Canadian crude oil and equivalent production averaged a record 5.35 million barrels per day in 2025, rising from 5.14 million barrels per day in 2024. Production reached 5.64 million barrels per day in December 2025, showing how rapidly the country’s output base has expanded. That scale gives Canadian producers significant exposure to changes in global crude prices.

Higher oil benchmarks can improve the revenue outlook for producers when operating costs and transportation expenses remain relatively stable. The effect is particularly important for established oil-sands operations, where much of the initial construction spending has already occurred and additional revenue can translate into stronger cash flow. Canadian companies still face regional pricing discounts, maintenance costs and currency movements, so the benefit is never perfectly uniform. Nevertheless, a rapid increase in Brent and West Texas Intermediate prices tends to make the sector more attractive to investors seeking protection from an international supply shock. Monday’s 2% sector gain reflected that familiar relationship.

Canada’s Export Position Adds to the Market Sensitivity

Canada exported approximately 4.3 million barrels of crude oil per day in 2025, with about 3.9 million barrels per day going to the United States. The value of those exports reached roughly $140 billion, including $126.1 billion in shipments to the American market. Those figures help explain why geopolitical developments thousands of kilometres away can have an immediate effect on Canadian stocks, government revenues and the country’s trade performance.

Canada’s export network has also become somewhat more flexible. The Trans Mountain expansion helped increase access to overseas markets, and crude exports to countries other than the United States rose sharply in 2025. Statistics Canada reported that non-U.S. export volumes increased 132.6% to 27.2 million cubic metres during the year. The United States remains overwhelmingly Canada’s largest customer, but additional Pacific Coast capacity gives producers another route when international prices become more attractive. During a disruption centred on the Persian Gulf, that ability to reach global buyers can become more valuable, particularly when refiners search for reliable alternatives to Middle Eastern supply.

Gold Falls Despite the Return of Geopolitical Fear

Gold often attracts buyers during periods of military conflict, but its safe-haven reputation did not prevent a decline on Monday. The metal fell approximately 1.5% to around $4,060 per ounce as investors focused on the possibility that higher oil prices would prolong inflation and keep interest rates elevated. That weakness filtered directly into the TSX materials sector, where gold producers represent an influential part of the Canadian market.

The decline may appear counterintuitive because geopolitical uncertainty usually strengthens demand for assets considered stores of value. Gold, however, does not generate interest or regular cash income. When government bond yields rise, investors can earn a larger return from holding relatively safe debt, raising the opportunity cost of owning bullion. The relationship is not automatic, and central-bank purchases or extreme risk aversion can still lift gold when yields are rising. On this occasion, the market’s inflation and interest-rate concerns outweighed the immediate safe-haven response. Mining shares then amplified the commodity move because their earnings are sensitive not only to gold prices, but also to labour, fuel and development costs.

Higher Oil Prices Create a Broader Inflation Problem

The oil rally carried consequences far beyond petroleum producers. Rising fuel prices can eventually increase transportation, manufacturing and agricultural costs, particularly when elevated prices persist rather than fading after a few trading sessions. Investors therefore began reconsidering whether central banks might need to maintain restrictive policies for longer—or potentially raise rates again—to prevent energy costs from spreading through the economy.

That concern was visible in government bonds. The U.S. two-year Treasury yield climbed to approximately 4.24%, its highest level since February 2025. The 10-year yield rose to about 4.60%, compared with 4.56% at the end of the previous week and roughly 3.97% before the latest war with Iran began. Higher yields can pressure stock valuations because future corporate profits become less valuable when discounted at a higher rate. They can also increase financing costs for households and businesses. Energy companies may benefit from the initial oil shock, but the wider economy can suffer if that same shock weakens consumer spending, delays investment or forces interest rates upward.

The Bank of Canada Faces an Awkward Decision

The market turbulence arrived shortly before the Bank of Canada’s scheduled July 15 interest-rate announcement. The central bank’s policy rate stood at 2.25% after it left borrowing costs unchanged at its June meeting. Before the latest escalation, investors generally expected another hold as policymakers balanced softer underlying inflation against an economy that had begun recovering from a technical recession.

More expensive oil complicates that assessment. Canada is a major petroleum exporter, meaning higher prices can strengthen producer earnings, investment and provincial royalty revenue. At the same time, Canadian households can face higher prices for gasoline, air travel, freight and goods transported over long distances. The central bank must determine whether the shock is likely to be temporary or whether it could influence broader inflation expectations. A brief price spike might warrant little response. A prolonged disruption through the Strait of Hormuz would be more difficult to ignore. The Bank of Canada must also consider trade negotiations with the United States and domestic employment conditions, leaving monetary policy unusually dependent on events outside Canada.

The TSX’s Resource Exposure Cuts Both Ways

The TSX is sometimes described as a resource-heavy market because energy and materials companies have a much greater presence than they do in many other developed-market indexes. That structure can be beneficial when oil, natural gas, gold, copper or fertilizer prices are rising together. It can also produce uneven results when commodities move in opposite directions, as Monday’s trading demonstrated.

The energy rally was substantial enough to support the market, but it could not produce a broad advance while miners were falling. This dynamic distinguishes the TSX from technology-dominated indexes, where a handful of semiconductor or software companies may determine the direction of the entire market. In Canada, investors must often follow several commodity cycles at once. An oil-price increase can improve the outlook for producers while raising operating costs for miners. A stronger inflation outlook may support energy revenue but weaken gold through higher bond yields. The result can be an index that appears calm even as major sectors experience sharp and conflicting moves.

What Could Determine the Market’s Next Move

The durability of the energy rally will depend primarily on whether physical oil shipments are meaningfully disrupted. Traders will monitor tanker movements, insurance premiums, military activity and any progress toward negotiations. A credible arrangement that keeps the Strait of Hormuz open could quickly remove part of the geopolitical premium from crude. Further attacks on commercial vessels or energy infrastructure would likely produce the opposite response.

Demand will also matter. The U.S. Energy Information Administration has forecast that global petroleum consumption could decline by an average of 1.2 million barrels per day in 2026 as high prices and disruption reduce usage, particularly outside advanced economies. That demand response could eventually limit the oil rally even if supply remains uncertain. For the TSX, the clearest sign of a stronger market would be broader participation: energy stocks maintaining their gains while miners, banks and technology companies stabilize. Until then, the index may continue to look deceptively quiet, held between the benefit of Canada’s oil wealth and the wider economic cost of another global energy shock.

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