What it means
Instruments are commonly sorted into three families. Cash instruments such as loans, deposits, bonds and shares have a value driven directly by the market or by the terms of the agreement; derivative instruments such as options, futures and swaps take their value from something else, like an interest rate or a commodity price; equity instruments give an ownership claim rather than a right to repayment.
A single contract can sit awkwardly across categories, which is why accounting standards run to hundreds of pages on the subject. For a normal business the concept matters because instruments are how money is raised and risk is managed.
Issuing shares, drawing a term loan, factoring invoices and fixing an interest rate are all instrument decisions, and each carries different consequences for control, cost and flexibility. Choosing between them is one of the more consequential things a finance team does.
Derivatives deserve particular attention because they are widely misunderstood. Used properly they reduce risk: an importer buying currency forward locks in a known cost, and a borrower entering an interest rate swap converts a floating obligation into a fixed one.
Used to speculate, the same contracts can create losses far larger than the amount originally committed. The nuance is the notional amount, which is the reference figure a derivative is calculated on rather than money that changes hands.
A $5,000,000 interest rate swap does not involve $5,000,000 moving anywhere; only the difference between two rates is settled. Confusing notional with actual exposure makes derivative positions look far more alarming, or far safer, than they really are.
In practice
Real-world examples
Example 1
A packaging manufacturer issues $10,000,000 of five-year bonds paying a 6% coupon. The bond is a financial liability to the manufacturer and a financial asset to every investor who buys it, with $600,000 of interest changing hands each year.
Example 2
A recruitment agency sells $400,000 of invoices to a factoring company for $384,000 in immediate cash. The invoices are financial instruments, and the $16,000 difference is the cost of receiving the money four weeks early.
Example 3
An electronics importer agrees a forward contract to buy 2,000,000 euros in six months at a set rate. The forward is a derivative instrument that fixes the dollar cost of a shipment before the goods have even been made.
Think of it
A financial instrument is like a sports ticket. The ticket itself is just a piece of paper, but it represents a legal contract that gives you specific rights, such as entry to the stadium, and it has a clear monetary value that you can sometimes resell to someone else.
Formula
Calculation
For a plain interest rate swap:
Net Settlement = Notional Amount x (Fixed Rate - Floating Rate)
A company with a $5,000,000 floating rate loan enters a swap to pay a fixed 5% and receive the floating rate, so its overall cost becomes fixed.
In year one the floating rate averages 3.8%.
Difference = 5% - 3.8% = 1.2%
Net settlement = $5,000,000 x 1.2% = $60,000 paid by the company
In year two rates rise and the floating rate averages 6.4%.
Difference = 5% - 6.4% = -1.4%
Net settlement = $5,000,000 x 1.4% = $70,000 received by the company
Across the two years the company paid $60,000 and received $70,000, a net gain of $10,000, but that was never the point. The purpose was certainty: its total interest cost stayed at 5% in both years while the market moved by more than two and a half percentage points.Case study
Seen in the real world
Tidewell Foods is an invented food processing company used only to illustrate how instruments are chosen. It needed $8,000,000 to build a second production line and considered three routes: a share issue, a fixed rate bond, and a floating rate bank loan.
The illustrative finance committee compared them on three axes rather than cost alone. Equity was the most expensive in the long run and diluted the founding family below 60%, the bond was the cheapest but carried covenants restricting further borrowing for seven years, and the bank loan was flexible but left the company exposed to rate rises. Tidewell took the loan and immediately entered a swap on $5,000,000 of it, fixing most of its cost while keeping the flexibility to repay early.
Two years later, in this fictional scenario, rates had risen by two percentage points and the swap was saving roughly $100,000 a year. The committee's view was that the instrument had not made money; it had removed a decision the business did not want to keep making.
Watch out
Common mistakes
- Assuming financial instruments are exotic products for banks only. A trade invoice, a bank deposit and an ordinary loan are all financial instruments.
- Reading a derivative's notional amount as the sum at risk. Only the net difference is normally settled, so the notional overstates the cash involved by a wide margin.
- Believing derivatives are inherently speculative. Hedging with them reduces risk, and it is the intent behind the position, not the contract, that determines whether risk goes up or down.
Questions
People also ask
What is the difference between an instrument and a security?
A security is a tradable subset of instruments, such as a listed share or bond, while instruments also include non-tradable items like a bank loan or an invoice.
Do small companies use derivatives?
Some do, most commonly currency forwards for importers and exporters and simple interest rate caps on property loans.
How are instruments shown in the accounts?
They are classified by category and measured at either fair value or amortised cost, with the classification driving whether market movements hit profit, reserves or nothing at all.