A precious metal is a relatively rare metal valued for properties that support investment, jewellery or industrial use. Gold, silver, platinum and palladium are prominent traded examples. For a portfolio analyst, the category identifies a family of commodities, not one interchangeable source of return: the metal, quantity, price basis and form of ownership determine the exposure.
“Precious” does not guarantee purchasing-power protection, a positive return or a liquid exit. A metal can be durable while its market price falls; selling a small physical holding can also involve a different spread and premium from a wholesale quotation.
Count value exposure, not just ounces
Consider a fictional basket held without rebalancing:
| Metal | Holding and stipulated quote basis | Synthetic price | Initial marked value |
|---|---|---|---|
| Gold | 1 fine troy ounce | USD 2,000 per fine troy ounce | USD 2,000 |
| Silver | 10 gross troy ounces of an agreed silver purity | USD 25 per gross troy ounce of that specification | USD 250 |
| Basket | Both holdings | — | USD 2,250 |
These are illustrative spot prices, not current quotations, retail offers or standard exchange contract sizes. The marked values exclude purchase premiums, bid–ask spreads, storage, insurance, transport and taxes; they are not guaranteed sale proceeds.
Holding more quoted ounces of silver does not make it the larger value position. Gold accounts for of the initial value, rounded to one decimal place. Silver accounts for the remaining . Adding ounces of different metals does not give a useful measure of portfolio risk.
Suppose gold's stipulated price falls 5% to USD 1,900, while silver's rises 20% to USD 30 on the same quote bases. The fixed gold holding loses USD 100, and the silver holding gains USD 50. The basket ends at USD 2,200, a USD 50 loss, or 2.22% of its initial value, rounded. A large percentage rise in the smaller holding need not offset a modest fall in the larger one.
Original synthetic fixed-holdings example. Both bars use the same USD value scale. Different metal-price moves and unequal value weights leave the basket down 2.22%, before costs; the scenario is not a forecast.
This is a price-only scenario before costs. It neither estimates how the metals will move together nor establishes that the basket is well diversified. Such a judgment needs position sizes, price sensitivities and a view of joint risk, rather than a count of metal names.
The demand mix differs
The CME Group supply-and-demand guide describes mining and recycling as sources of metal supply, alongside transfers of existing inventories. On the demand side, investment and industrial uses coexist:
| Metal | Examples of demand to distinguish |
|---|---|
| Gold | Investment and reserve holdings, jewellery and electronics |
| Silver | Investment and coinage, electronics and photovoltaic cells |
| Platinum and palladium | Vehicle-emissions catalysts, jewellery and other industrial applications |
These are examples, not fixed demand shares. Changes in industrial technology, investment demand, mine output and recycling can affect the metals differently. Classifying gold and silver as investment assets, as Hull does, means that some market participants hold them for investment; it does not mean that they lack industrial uses or must appreciate.
Specify the metal and the claim
A troy ounce is the mass unit customarily used in precious-metal markets. It is not the ordinary ounce used for many household goods. Gross weight measures the material; fine weight measures its precious-metal content. They must not be mixed when multiplying quantity by price.
In the particular wholesale conventions described by LBMA's price guide, gold is quoted per fine troy ounce, while silver, platinum and palladium use troy ounces of material meeting the applicable purity specification. A price therefore needs a metal, purity or grade, unit, location and settlement basis. A retail coin or small bar can trade at a premium to the wholesale reference because its form and fabrication differ.
Ownership adds a separate question. LBMA's account guide distinguishes an allocated account, identifying specific bars held for the customer, from an unallocated account, giving a contractual claim against the account provider rather than title to specified bars. The latter adds credit exposure to that provider. Allocated custody still requires attention to charges, custody terms and insurance.
Similarly, a futures contract, a fund share and equity in a mining company are different claims. Their funding, expenses, settlement or business risks can make their results differ from the change in a physical metal's spot price. The word “gold” on a position report does not settle which claim is owned.
For the pricing connection between physical holdings, storage and forward contracts, the Commodities primer develops the carry framework and includes a gold example. Its preview is public; the full lesson requires a signed-in free account.
Sources
- John C. Hull, Options, Futures, and Other Derivatives, ninth Global Edition, Pearson, 2018, Section 5.1, printed page 126; Section 34.2, printed pages 798–799. Grounds the distinction between investment and consumption uses, metal inventories, recycling and economic price drivers. The basket and price shocks are original.
- CME Group — Understanding Supply and Demand: Precious Metals, checked 27 October 2026. Supports the supply channels and examples of investment, jewellery and industrial demand; historical market totals on that page are not used here.
- LBMA — The Price, checked 27 October 2026, especially “The Reference” and “Fineness.” Supports quotation units, purity, location and differences between wholesale references and fabricated products.
- LBMA — Precious Metal Accounts, checked 27 October 2026, “Unallocated Accounts,” “Allocated Accounts,” “Charges” and “Insurance.” Supports the distinction between identified physical holdings and a contractual metal claim.