Silver Rises Over 120% YTD 
Published: 08-12-2026, 03:32 pm
Key Takeaways
- The S&P GSCI, the world’s most widely followed commodity index, allocates only 7.2% of its weight to gold. The Bloomberg Commodity Index sets it at 14.9%. Both figures substantially underrepresent gold’s actual role as a monetary asset.
- Commodity index methodology relies on futures-market liquidity and production volumes — measures that capture industrial commodities well but systematically miss gold’s deep above-ground supply and its $373 billion average daily trading volume in 2025 [World Gold Council].
- Most commodity ETFs use futures contracts to track their index. Futures require periodic rolling, and in contango markets that rolling creates a drag — a quiet, compounding cost called negative roll yield. Physical gold held in segregated storage carries no such cost.
- In 2025, investors in physically-backed gold products earned approximately 65% on their money. Over the same period, broad futures-based commodity funds delivered single-digit returns — despite both groups claiming “commodity exposure” [Institute of Business and Finance].
Gold rose more than 60% in 2025. If you held a broad commodity ETF, you captured very little of that move.
Not because the ETF failed at its job. Because the index it tracks starts by giving gold a 7.2% weight. Before anything else, before fees or fund mechanics, the index has already decided that gold is a minor story.
Most investors never notice this. They think commodity exposure equals meaningful metals exposure. It doesn’t — and the gap between what most investors assume and what their ETF actually owns is one of the most overlooked structural problems in personal finance today.
Why Does a Commodity ETF Own So Little Gold?
The answer starts with methodology. Commodity indices like the S&P GSCI and the Bloomberg Commodity Index (BCOM) set their weights based primarily on two things: how actively the commodity’s futures contracts trade on exchanges, and how much of the commodity the world produces each year.
Both measures make sense for crude oil, wheat, or copper. Producers of those commodities hedge constantly. Production is massive and well-documented. Futures liquidity is deep precisely because so many companies need to manage near-term price risk.
Gold’s market works differently. First, gold doesn’t get consumed. A barrel of oil is refined, burned, and gone. Gold, by contrast, accumulates above ground. Every ounce ever mined still exists somewhere — as jewelry, bars, central bank reserves, or industrial components. That means gold’s available supply is vastly larger than its annual mine production alone.
Second, gold trades through multiple channels that commodity indices don’t fully capture. In 2025, the global gold market averaged $373 billion in daily trading volume [World Gold Council], making it one of the most liquid markets in the world. About 48% of that trading occurred over the counter, linked to physical delivery. Futures accounted for roughly 50%. Both numbers are enormous — but index methodologies that lean on futures-market data miss the OTC component entirely.
The result: gold ends up with a 7.2% weight in the S&P GSCI and a 14.9% weight in the Bloomberg Commodity Index [S&P Dow Jones Indices, Bloomberg, 2026 annual rebalancing]. Meanwhile, energy — which is genuinely futures-driven and production-intensive — holds more than half the S&P GSCI.
That’s not a flaw in the index’s design. The index is doing exactly what it was built to do. The flaw is assuming it gives you adequate gold exposure.
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What Makes Gold’s Demand Structure Different From Other Commodities?
Here’s what every commodity investor should understand: gold’s demand does not follow the business cycle the way industrial metals do.
Consider copper. When global manufacturing slows, copper demand falls. Inventory builds up. Prices drop. It’s a clean industrial cycle.
Gold operates on a different axis. In 2025, investment demand — bars, coins, ETFs, and institutional purchases — accounted for approximately 43.5% of total global gold demand [World Gold Council, Metals Focus]. Jewelry fabrication represented around 33%, central bank purchases around 17%, and technology applications about 6-7%.
During the same year, jewelry demand fell in volume because record prices pushed consumers toward lighter or fewer pieces. But investment demand surged precisely because prices were rising and monetary uncertainty was high. This is the counter-cyclical pattern: as economic stress increases, investment demand absorbs the slack.
Industrial metals don’t have this offset. When growth slows, copper demand falls with no compensating investment surge. When growth accelerates, commodity demand recovers — but gold’s investment demand can rise or fall independently of the economic cycle.
Consequently, gold’s low weight in commodity indices isn’t just a methodological quirk. It means investors who want gold’s counter-cyclical properties receive a fraction of what they think they’re buying. They’re essentially getting commodities exposure shaped by the industrial cycle, with a thin gold overlay that barely moves the needle.
What Is Roll Cost, and How Does It Affect a Commodity ETF?
A commodity ETF that tracks a futures-based index doesn’t buy physical metal. It buys futures contracts — agreements to purchase the commodity at a specific price on a specific future date. As each contract approaches expiration, the ETF must sell it and buy the next one. This is called rolling.
In normal markets, the next contract costs more than the one expiring. This happens because the market prices in storage, insurance, and financing costs for holding the commodity forward through time. The condition is called contango — and it is the normal state for most commodity markets, including crude oil, natural gas, and agricultural products.
Rolling in a contango market means systematically selling low and buying high. The difference — the negative roll yield — compounds quietly over time, eroding returns year after year independent of where commodity prices actually go. Researchers at the Institute of Business and Finance documented this gap for 2025: investors in physically-backed gold products earned approximately 65%, while investors in broad futures-based commodity funds earned single digits over the same period. Both groups held “commodities.” One group made a fortune.
For gold, specifically, the WGC notes that its large above-ground stock and low storage costs mean the gold futures curve has historically remained relatively flat compared to energy and agricultural curves [World Gold Council, “Gold: The Most Effective Commodity Investment,” 2026]. That means gold’s futures are less punishing to roll than oil or grains. Even so, investors accessing gold only through a broad commodity ETF are not getting the same return as investors who hold physical gold directly. They’re getting diluted gold exposure — buffered by a commodity pool with energy-heavy weights — layered on top of whatever the roll cost happens to be in a given year.
Does Physical Gold Storage Solve the Roll Cost Problem?
Yes — and that is the structural case in one sentence.
Physical gold held in allocated, segregated storage carries no roll cost. There are no futures contracts to manage, no expiry dates, no calendar of mechanical selling and buying. The investor owns the metal outright. The storage cost is real — but it is transparent, fixed, and typically a small fraction of the roll cost embedded in a futures-based strategy during a contango year.
Beyond the return mechanics, allocated storage means the investor is not exposed to futures-market structure at all. They hold the asset — not a derivative of it. This is the distinction that the WGC makes directly: gold is one of the only assets where the gap between owning the physical commodity and accessing it through futures is this meaningful, this consistently, over long holding periods [World Gold Council, “Gold: The Most Effective Commodity Investment,” 2026].
Institutional investors have understood this for decades. Central banks hold gold. They don’t hold gold futures. Sovereign wealth funds acquiring gold exposure increasingly specify physical delivery. The logic is identical: physical ownership eliminates the return drag that futures-based exposure introduces.
How Should Investors Think About Gold vs. a Commodity Allocation?
The key insight is that gold and commodities serve different portfolio jobs.
A broad commodity allocation — energy, agriculture, industrial metals — provides exposure to the global growth cycle and some inflation protection. These are genuine benefits. However, they are cyclical benefits: they work best when the economy is expanding and commodity demand is rising.
Gold’s portfolio contribution is different in kind. Gold’s investment demand surges precisely when economic stress is highest and commodity demand is falling. It provides inflation protection through monetary channels — purchasing power preservation — rather than through industrial demand channels. It also provides liquidity: with $373 billion in average daily trading volume in 2025, gold can be liquidated at scale faster than virtually any other commodity or most equity positions.
Combining these two roles in a single commodity ETF — and then underweighting gold in that ETF — means an investor gets less of both. The commodity allocation doesn’t get enough gold to benefit meaningfully from gold’s counter-cyclical properties. And the gold component arrives bundled with roll costs and an energy-heavy index that moves the opposite direction from what gold investors are typically seeking.
A cleaner approach separates these jobs. Broad commodity exposure for growth and inflation cyclicality. Physical gold in segregated, allocated storage for monetary protection, long-term purchasing power, and counter-cyclical portfolio ballast.
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People Also Ask
How much gold is in a commodity ETF?
It depends on which index the ETF tracks. The S&P GSCI, the most widely used commodity benchmark, set its gold weight at 7.2% for 2026. The Bloomberg Commodity Index set gold at 14.9% for the same year. Both figures are mechanically determined by futures-market liquidity and production volumes — measures that underrepresent gold’s true market depth and above-ground supply.
Why do commodity indices underweight gold?
Commodity index methodologies rely primarily on futures-market trading volumes and annual production data. Gold’s large above-ground stock means mine production understates its available supply. And roughly half of gold trading occurs over-the-counter, outside the futures markets that indices track. Both factors systematically push gold’s calculated weight below what its actual market role would suggest.
What is negative roll yield in commodities?
Negative roll yield is the performance drag that occurs when a futures-based fund sells an expiring contract and buys the next one in a contango market — where forward prices are higher than spot prices. The fund sells low and buys high on a regular schedule. Over time, this erodes returns independent of the underlying commodity’s price movement.
Is physical gold better than a commodity ETF for long-term investors?
For investors whose primary goal is long-term purchasing power preservation, physical gold held in allocated storage offers a cleaner instrument. It eliminates roll costs, provides direct exposure to spot prices, and carries no futures contract mechanics. A commodity ETF provides access to the broader commodity complex, but its gold exposure is small and delivered through futures — a different return profile than physical ownership.
What is allocated gold storage?
Allocated gold storage means the investor’s gold is physically set aside, identified by bar number and serial, and held in their name. It is segregated from the custodian’s own assets. The investor owns specific bars — not a claim on a pool — so the gold remains theirs in the event of a custodian failure. This is distinct from unallocated gold, where the investor holds a credit balance against a pool of metal.
Should You Hold Physical Gold Separately From Your Commodity Allocation?
The math is not complicated. A commodity ETF that weights gold at 7.2% — and delivers that exposure through futures contracts — will not perform like a portfolio that holds physical gold at scale. Over time, the gap compounds through diluted allocation, roll costs, and a demand structure that is shaped by the industrial cycle rather than monetary fundamentals.
The right question is not whether to own commodities. The right question is whether the commodity allocation is doing the job you think it’s doing. For monetary protection, purchasing power preservation, and counter-cyclical balance, physical gold in allocated storage is not a substitute for a commodity ETF. It is a different instrument entirely — and for most long-term portfolios, a more precise one.
Ready to hold physical gold outside the commodity index? GoldSilver’s vault storage gives you allocated, segregated ownership in professional-grade facilities — audited, insured, and accessible at any time. Learn more here.
SOURCES
1. World Gold Council — Gold: The Most Effective Commodity Investment (2026 Edition)
2. World Gold Council — Gold Demand Trends: Full Year 2025
3. Bloomberg Index Services — Bloomberg Commodity Index 2026 Target Weights
4. S&P Dow Jones Indices — S&P GSCI 2026 Annual Rebalancing
5. Institute of Business and Finance — Commodity Investing: How Fund Structure Shapes Returns
Disclaimer: This article is for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results. Always consult a qualified financial advisor before making investment decisions.
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