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What commodities are, and who should own them

Raw materials that fuel the economy. Why some investors hold them and what to know before adding them to a portfolio.

Most useful: ages 25-605 min readReviewed by Joseph CitizenLast reviewed April 6, 2026

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Commodities are raw, basic goods used to make other things: gold, silver, oil, natural gas, copper, corn, wheat, coffee. They are the inputs to nearly every product in the economy.

How to invest without driving a tanker truck home

  • Commodity ETFs: funds that hold physical metals or futures contracts on oil, agriculture, etc.
  • Stocks of producers: owning Exxon is exposure to oil; owning Newmont is exposure to gold.
  • Futures contracts: direct, but complicated and not appropriate for most beginners.

Why some investors hold them

Commodities sometimes rise when stocks fall, especially during inflationary periods or supply shocks. Some investors keep a small slice (often 5 to 10%) in commodities as a diversifier.

Why they can be frustrating

  • Commodities pay no dividends and produce no earnings. Their return depends entirely on price changes.
  • Long-term real returns of broad commodities have historically been close to zero or even negative.
  • Commodity ETFs that use futures can suffer from 'roll costs': the fund loses money rolling expiring contracts forward, eating returns.

What this lesson is NOT

Commodities can diversify a portfolio, but they pay no interest or dividend, they swing hard, and over long stretches they have produced little real return. This lesson explains that frustrating side honestly; it is not a case that anyone needs them or a call on where a price goes next.

Test what you learned5 questions · ~2 min

Quick check on this lesson

Answer each question and we’ll show you why the right answer is right, and why the others aren’t.

  1. 1.

    Per the lesson, what are commodities?

  2. 2.

    Per the lesson, what are three ways to invest in commodities without taking physical delivery?

  3. 3.

    Per the lesson, why do some investors hold a small slice of commodities, and roughly what allocation does the lesson mention?

  4. 4.

    Per the lesson, why can commodities be frustrating to hold long-term?

  5. 5.

    Per the warning callout, what's the lesson's honest assessment of gold as a long-term investment?

0 of 5 answered

Reflection (private to you, stored locally)
★ End of lesson · Chapter 02 of 07
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