Commodities have spent the past year doing something most equity investors barely noticed: compounding quietly while the headlines stayed fixated on AI capex and Fed cut paths. WTI crude sits at around $112 a barrel, up roughly 31% in a month, while CPI prints at the 91st percentile of its 12-month range. Three diversified commodity ETFs have ridden that move: Harbor Commodity All-Weather Strategy ETF (NYSEARCA:HGER), Invesco DB Commodity Index Tracking Fund (NYSEARCA:DBC), and Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (NASDAQ:PDBC | PDBC Price Prediction).
Each is up well over 32% on a one-year basis, and each belongs in a different kind of portfolio. Most equity-heavy investors hold zero direct commodity exposure. That gap is the problem these funds solve.
Why diversified commodity ETFs work as inflation hedges
Diversified commodity ETFs hold baskets of futures contracts across energy, metals, and agriculture rather than single commodities or mining stocks. The mechanism is direct: when the underlying physical goods rise in price, the futures roll higher, and the fund’s net asset value follows. Equities can disconnect from inflation for years. A barrel of oil cannot.
The macro backdrop is unusually supportive. Core PCE, the Fed’s preferred measure, sits at the 91st percentile of its 12-month range and has climbed every month since May 2025. WTI crude has run from a December 2025 low near $55 to triple digits. JPMorgan’s 2026 outlook flags tariff-driven inflation persistence through the first half of 2026, which is the kind of structural pressure that hits paper assets harder than physical ones.
Harbor Commodity All-Weather Strategy ETF (HGER)
HGER is the contrarian pick here, and arguably the most interesting. It tracks the Quantix Commodity Index, an active strategy that adjusts weights based on what Quantix calls inflation sensitivity. In practice that means the fund tilts hard toward the commodities that historically move first and hardest when inflation accelerates. Right now that produces an unusual portfolio: gold sits at 34% as the single largest holding, while refined energy products (gasoil, RBOB gasoline, heating oil) plus Brent crude collectively make up 39% of net assets.
The result is a portfolio that looks almost nothing like a standard commodity index. Most broad commodity funds underweight gold and overweight WTI. HGER does the opposite, which is why its return profile diverges. The fund is up 44% over the past year and 29% year to date, with nearly $2.8 billion in assets at an expense ratio of 68 basis points.
The tradeoff is concentration. With a third of the fund in gold and another third-plus in refined energy, HGER is making an active bet. If precious metals stall and crude rolls over, HGER will lag the rules-based broad-basket funds. Investors who want HGER are buying the Quantix view that inflation-sensitive commodities deserve overweight positioning, not a passive snapshot of the futures complex.
Invesco DB Commodity Index Tracking Fund (DBC)
DBC is the legacy broad-commodity ETF and remains the rules-based benchmark most institutional allocators reach for. It tracks the DBIQ Optimum Yield Diversified Commodity Index Excess Return, which holds futures across 14 commodities spanning energy, metals, and agriculture, and uses an optimum yield methodology to pick contract months that minimize the drag from contango (the structural cost of rolling futures forward when longer-dated contracts trade above spot).
Performance has been strong: up 37% year to date and 48% over the past year. Over the past decade DBC has returned roughly 148%, which gives it a track record across multiple commodity cycles that the newer entrants cannot match.
The catch is structural and worth understanding before you buy. DBC is organized as a commodity pool, which means investors receive a Schedule K-1 at tax time rather than the standard 1099. K-1s arrive late, often complicate filing, and can create unexpected obligations in states where the fund has nexus. For a tax-advantaged account it is irrelevant. For a taxable retail brokerage account it is the single biggest reason investors choose the next fund on this list instead.
Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC)
PDBC is essentially DBC rebuilt for retail tax simplicity. It uses the same optimum yield methodology and targets the same 14-commodity basket, but holds the futures through a Cayman Islands subsidiary structured so the fund itself qualifies as a regulated investment company. The practical consequence: investors get a 1099, not a K-1.
The exposure is nearly identical to DBC, and the recent performance confirms it. PDBC is up 37% year to date and 48% over the past year, tracking DBC closely with minor differences attributable to the active overlay management uses to maintain tax efficiency.
The tradeoff is subtle. Because PDBC is technically actively managed (to preserve its tax structure), it carries a modestly higher expense profile than a pure index product and can deviate from the benchmark in stressed markets. For most retail investors holding commodities in a taxable account, those costs are dwarfed by the value of skipping a K-1 every spring.
How to choose, and how much to hold
The decision splits cleanly. Investors with conviction that inflation-sensitive commodities, especially gold and refined energy, will lead the next leg should look at HGER. Its active tilt is the entire point. Allocators who want broad, rules-based exposure with a long track record and who hold the position in an IRA or 401(k) should stay with DBC. Anyone holding commodities in a taxable brokerage account should default to PDBC. The tax simplicity is worth more than the small tracking differences.
Sizing matters more than the choice between these three. A 5% to 10% commodity sleeve is the range most multi-asset frameworks land on for inflation hedging. Larger allocations create their own volatility problem, because commodities can sell off hard in a recession even when long-run inflation is rising. That correlation risk, the chance that commodities and equities fall together in a growth scare, is the single thing every investor should understand before adding the position. Inflation hedges work in the regimes they were designed for. The job here is owning them before the regime arrives, not after.