A warehouse receipt, a futures quote and a broker’s commodity CFD can all refer to the same raw material without representing the same transaction. Their prices may move together, but their contractual obligations and trading costs differ. Confusing those layers can leave a position exposed to charges or price movements that are absent from a physical commodity chart.
The distinction is especially relevant to contract for differences because a CFD is a bilateral cash-settled agreement with its provider, not ownership of stored inventory or an exchange-cleared futures position. Five differences determine how that exposure behaves.
Physical Commodity Prices Include Location and Quality
A cash-market quotation normally refers to a specified grade at a particular delivery point. Freight, inspection results and local supply conditions can create large differences between two prices for ostensibly identical material. A CFD provider may instead reference a published benchmark or a constructed quotation.
A wheat shortage at one inland terminal, for example, need not lift a CFD based on an international benchmark by the same amount. The critical question is which grade, location and price source the contract follows, not whether both instruments carry the name of the commodity.
Futures Have Exchange Rules; CFDs Have Provider Terms
Exchange-traded commodity futures use standardized contract specifications and clearing arrangements. A CFD’s dealing spread, minimum size, margin rate and closeout rules come from the provider’s agreement, subject to applicable regulation. An exchange settlement price may inform the CFD quote without being the price at which the customer can transact.
The distinction becomes sharper when the underlying exchange halts trading or imposes price limits. The CFD provider may suspend quotes or apply its own market-disruption provisions. An exchange chart alone cannot establish the customer’s available exit.
Financing and Carry Can Reach Accounts Differently
Holding physical inventory involves storage, insurance and financing costs. Futures prices can reflect expectations about such carrying costs, along with convenience yield and supply conditions. CFDs may instead apply explicit overnight financing or incorporate carrying costs into a futures-derived quotation, depending on their design.
A CFD without a separately itemized overnight charge is not necessarily cheaper to hold. Its pricing method may already reflect the difference between nearby and deferred futures. Compare total holding costs over the intended period rather than judging the product by one visible fee.
Contract Size Can Turn a Modest Move Into Unexpected Exposure
Imagine a hypothetical rubber CFD quoted at $1.80 per kilogram, with each CFD lot representing 5,000 kilograms. Buying three lots creates exposure to 15,000 kilograms, or $27,000 notional. If the quote falls to $1.74, the position loses $900 before charges. At a hypothetical 10% initial margin rate, opening margin is $2,700, so the loss equals one-third of that amount.
A physical buyer purchasing 15,000 kilograms must instead arrange payment and delivery under its purchase terms. A futures trader faces the exchange contract’s specified unit and clearing margin arrangements. Identical price changes do not imply identical cash requirements, or the same ability to reduce exposure in small increments.
Expiry and Reference Changes Follow Different Timetables
Physical supply contracts specify delivery obligations; futures have exchange-defined expiry and settlement procedures. A commodity CFD may be continuous, expire on a provider-selected date or switch its reference from one futures month to another. The adjustment method can affect account cash flows and the displayed price series.
For contract for differences referencing commodities, a smooth historical chart may conceal those reference changes. Before opening a CFD position, obtain the instrument specification and identify its pricing benchmark, lot unit, financing method, margin requirement and next reference-change date. Calculate the cash loss from a realistic adverse move using the broker’s actual contract size, not the commodity’s quoted price alone.