Why Canadian Commodity Stocks Matter in a Diversified Portfolio

Nearly 30% of the S&P/TSX Composite Index is concentrated in energy and materials stocks, making Canada’s equity market one of the most commodity-sensitive among developed nations. For Canadian investors, this is not a flaw to diversify away from. It is a structural feature that, when understood and positioned correctly, provides inflation protection, global demand exposure, and a performance profile that diverges meaningfully from the technology-dominated US market. In 2025, the TSX gained 32%, roughly doubling the S&P 500’s 14% return, with the resource-heavy composition driving most of the outperformance.

In November 2022, Northland’s CEO Arthur Salzer told Reuters that commodity earnings would continue growing even as corporate earnings declined across many other industries. That view proved prescient. This article examines why commodity stocks occupy such a large share of the Canadian market, how that weighting has affected performance across cycles, and what Canadian families should understand about managing commodity exposure within a diversified portfolio.

Understanding the TSX’s Commodity DNA

The S&P/TSX Composite Index is structurally different from the S&P 500 in ways that directly affect portfolio returns. Where the S&P 500 has more than 30% concentrated in technology, the TSX’s largest sector is financials at roughly 31%, followed by energy at approximately 18% and materials at about 12.5%. Combined, energy and materials account for roughly 30% of the Canadian benchmark.

This isn’t an accident of history. Canada is one of the world’s largest producers of oil, natural gas, gold, copper, potash, and uranium. The companies that extract, process, and transport these resources are among the largest employers and taxpayers in the country. Their weight in the index reflects the real structure of the Canadian economy.

The practical implication is straightforward: any Canadian investor holding a TSX index fund or broadly diversified Canadian equity portfolio already has significant commodity exposure, whether they intended to or not. The question is not whether to have commodity exposure. It’s whether to understand it, manage it, and potentially use it as a strategic advantage.

When Commodities Lead: TSX vs. S&P 500 Performance

The relationship between the TSX and the S&P 500 is driven largely by sector composition. When technology outperforms (as it did for most of the 2010s), the S&P 500 leads. When commodity prices rise and interest rates shift in favour of financials (as happened in 2022 and accelerated in 2025), the TSX leads.

2025 was a textbook example. The TSX gained approximately 32%, roughly doubling the S&P 500’s 14% return. Materials led the market, driven by a historic surge in gold prices that saw the metal climb roughly 57% through the year, its strongest annual gain since 1979. Energy contributed steadily, rising about 10%. And financials benefited from the Bank of Canada’s aggressive easing cycle, which cut rates by a full percentage point through the year, fattening bank margins and improving credit conditions.

This wasn’t an anomaly. The TSX has historically outperformed the S&P 500 during periods of rising commodity prices, weakening US dollar, and steepening yield curves. The 2003–2007 commodity supercycle, the 2009–2011 recovery, and now the 2024–2025 period all show the same pattern. Canadian investors who had reduced their domestic equity allocation during the technology-led years of US outperformance missed a significant reversal.

Gold’s Role in the Canadian Market and Portfolio

Gold deserves separate attention because of its outsized impact on the TSX materials sector and its evolving role in global portfolios. Gold surpassed $4,000 per ounce for the first time in late 2025 and has continued to trade near historic highs, with major banks projecting prices reaching $5,000 or higher by year-end 2026.

The drivers behind the gold rally are structural, not speculative. Central banks purchased over 1,000 tonnes annually for three consecutive years through 2025, building reserves as a hedge against sanctions risk and dollar dominance. Western ETF inflows accelerated alongside central bank buying, adding roughly 500 tonnes since early 2025. And the broader “debasement trade”, the concern that government debt levels are eroding the long-term purchasing power of fiat currencies, has brought a new category of institutional demand that did not exist in prior gold cycles.

For Canadian investors, the gold exposure is amplified by currency dynamics. When global uncertainty drives gold higher, it typically also weakens the Canadian dollar relative to the US dollar, meaning Canadian-dollar returns on gold and gold equities can exceed the headline US-dollar price gains. The TSX materials sector, which includes major gold producers, provides a leveraged exposure to gold prices through operating margins that expand as the gold price rises against relatively fixed production costs.

J.P. Morgan’s commodities research team projects gold could average over $5,000 per ounce by late 2026, driven by continued central bank buying and investor diversification. Goldman Sachs has set a year-end 2026 target of $5,400. Whether or not these targets are reached, the structural forces supporting gold, sovereign reserve diversification, fiscal concerns, and geopolitical hedging, show no signs of reversing.

The Commodity Supercycle Debate: What It Means for Canadian Portfolios

The commodity investing community is divided on whether the current environment constitutes a true supercycle, a sustained multi-decade period where commodity demand structurally outpaces supply. The bull case rests on several converging forces: a decade of underinvestment in mining and energy production, the enormous metal requirements of electrification and AI infrastructure (data centres, grid upgrades, EV manufacturing), supply chain reshoring that duplicates infrastructure across geographies, and central bank gold accumulation.

The counterargument, articulated clearly by Goldman Sachs, is that gold’s rally is a standalone phenomenon driven by financial and geopolitical demand, not a signal of broad commodity strength. Copper, steel, and oil require synchronized global manufacturing growth to sustain multi-year rallies, and that growth, particularly from China’s property and infrastructure sectors, is not materializing at supercycle levels.

For Canadian portfolio construction, the distinction between a true supercycle and a gold-led commodity rally matters. If it’s a supercycle, energy and base metals producers should see sustained earnings growth alongside gold miners. If it’s primarily a gold story, the outperformance will be concentrated in the materials sector while energy may lag. Either way, the TSX benefits from its structural commodity weighting, but the allocation within commodities should differ depending on the thesis.

How Northland Approaches Commodity Exposure

At Northland, we view commodity exposure as a permanent feature of Canadian portfolio construction, not a tactical bet to time. The TSX’s commodity weighting provides a natural hedge against inflation that US-dominated portfolios lack. When commodity prices rise, they tend to drive both Canadian equity returns and Canadian dollar strength, creating a double tailwind for domestic investors.

Our approach combines broad Canadian equity exposure through low-cost ETFs, which captures the commodity weighting inherent in the index, with selective allocations to private resource investments where we see structural value. For families with multi-generational time horizons, the key insight is that commodity cycles are long. The current rally did not begin in 2025. The seeds were planted during the decade of underinvestment that followed the 2014–2015 commodity bust. Patient capital that maintained commodity exposure through the lean years is now reaping the rewards.

We also use commodity exposure as a portfolio diversifier alongside other alternative asset classes including private equity, private credit, and hedge funds. The low correlation between commodity-driven returns and technology-driven returns means that a portfolio with meaningful exposure to both provides smoother compounding across market cycles than one concentrated in either.

Key Takeaways for Canadian Investors

•       The TSX’s commodity weighting is a structural feature, not a flaw. Nearly 30% of the index is in energy and materials. Understanding and managing this exposure is more productive than trying to diversify it away entirely.

•       Sector composition drives relative performance. The TSX outperformed the S&P 500 by roughly 18 percentage points in 2025, primarily because its commodity and financial sectors aligned with the macro environment. These reversals happen periodically and can persist for years.

•       Gold is in a structural rally, not a speculative one. Central bank buying, fiscal concerns, and geopolitical hedging are driving demand that is fundamentally different from prior gold cycles. Major banks project prices of $5,000 or more by late 2026.

•       The supercycle debate affects allocation, not direction. Whether this is a broad commodity supercycle or a gold-led rally, the TSX benefits. But the allocation within commodities (gold miners vs. energy vs. base metals) should reflect which thesis an investor holds.

•       Patient capital wins commodity cycles. The current rally was seeded by a decade of underinvestment. Families that maintained commodity exposure through the lean years are capturing the upside. Timing commodity cycles is notoriously difficult; maintaining diversified exposure is more reliable.

Frequently Asked Questions

About the Author

Arthur Salzer, CFA, CIM is the founder, CEO, and Chief Investment Officer of Northland Wealth Management, an independent multi-family office. Arthur has been investing in commodity-linked strategies including energy, mining, and precious metals since 1991. He has been quoted on commodity markets and Canadian equity outlook by Reuters, Bloomberg, the Financial Post, and the Globe and Mail.