What it means
Commodities are goods that are essentially interchangeable between producers: a tonne of a given grade of copper is a tonne of copper regardless of which mine produced it. That interchangeability is what lets an exchange quote a single reference price that thousands of buyers and sellers accept as the benchmark.
The market splits broadly into hard commodities, which are mined or drilled, and soft commodities, which are grown or reared. Energy, industrial metals and precious metals sit in the first group, while grains, coffee, sugar, cotton and livestock sit in the second, and each group responds to its own drivers such as drilling activity, weather or herd cycles.
Two prices matter to a finance team. The spot price is what you pay for immediate delivery, and the futures price is what the market will charge for delivery in a named month, with the difference between them reflecting storage costs, financing and expectations about scarcity.
Commodity markets are notably more volatile than most equity markets because supply is slow to adjust. A drought, a pipeline outage or an export ban cannot be answered by producing more next week, so a modest shortfall in supply can push prices a long way before demand backs off.
For a business, the practical use of the commodity market is as an information source and a risk transfer mechanism. Procurement teams read forward curves to decide when to commit to supply contracts, and treasury teams use exchange-traded instruments to fix costs they cannot pass on to customers.
In practice
Real-world examples
Example 1
A regional bus operator tracks diesel futures alongside its fuel invoices. When the forward curve shows prices for next winter well below the current spot price, procurement delays committing to a long fixed-price supply deal and buys shorter cover instead.
Example 2
A chocolate manufacturer watches cocoa and sugar markets ahead of its annual price negotiation with supermarket buyers. Because both inputs have moved up sharply, it goes into the negotiation with a documented cost case rather than a vague request for a price rise.
Example 3
A copper recycling business prices its scrap purchases as a discount to the exchange benchmark. Because the benchmark is published continuously, both the recycler and its suppliers can agree a formula rather than haggling over an absolute price every load.
Think of it
Think of a massive farmers market that operates on a global scale. Instead of buying a single apple, buyers purchase entire orchards of apples or barrels of oil, and the prices change every minute based on how much is available and how many people want it.
Formula
Calculation
Two calculations do most of the work. Total input cost = quantity x price per unit. Basis = local spot price - benchmark futures price.
A flour mill buys 200,000 bushels of wheat a year. The local spot price is $6.20 per bushel and the benchmark futures price for the nearby month is $6.50, so the basis = $6.20 - $6.50 = -$0.30 per bushel, meaning local wheat trades 30 cents below the benchmark.
At the current spot price the annual wheat bill = 200,000 x $6.20 = $1,240,000. If the market rises 10%, the new price = $6.20 x 1.10 = $6.82, and the annual bill = 200,000 x $6.82 = $1,364,000. The increase = $1,364,000 - $1,240,000 = $124,000, which is the amount the mill must recover through pricing, hedging or efficiency before it starts eating into profit.Case study
Seen in the real world
Harbourline Foods is an illustrative, fictional ready-meals producer with revenue of about $48,000,000 and an ingredient bill representing roughly 40% of sales. For years its buyers negotiated supplier by supplier and treated commodity markets as something only banks paid attention to.
After a year in which vegetable oil and wheat both rose steeply, the chief financial officer asked for a simple monthly pack showing benchmark prices for the six ingredients that made up most of the spend. Within two quarters the picture changed: buyers could see that supplier quotes for one ingredient had risen far faster than the underlying market, and that another supplier had held prices while the market fell.
The illustrative outcome was not a trading desk. Harbourline never bought a futures contract; it simply used market data to time supply commitments and challenge quotes, and it estimated that better-informed buying saved a little over $700,000 in the first full year.
Watch out
Common mistakes
- Believing commodity markets only matter to miners, farmers and oil companies. Any business with packaging, freight, energy or food in its cost base is exposed, even if it never speaks to a broker.
- Reading a single headline price as the price you will pay. Grade, location, delivery terms and supplier margin all sit between the benchmark and your invoice.
- Assuming a rising forward curve is a forecast of higher prices. Later-dated contracts often trade above spot simply because someone must pay to store and finance the goods until then.
Questions
People also ask
What is the difference between a spot price and a futures price?
The spot price is for immediate delivery, while the futures price is agreed now for delivery in a specified later month.
Why are commodity prices so volatile?
Supply cannot respond quickly to a shock and demand for essentials does not fall much when prices rise, so small imbalances produce large price moves.
Can a business benefit from commodity markets without trading?
Yes, because published benchmark prices give procurement teams an independent reference for negotiating supplier contracts and indexing long-term deals.