FINM8007 Chap.7 Identifying and Measuring Foreign Exchange Exposure
Identifying and Measuring Foreign Exchange Exposure
Four exposures, four questions
Foreign exchange risk is the potential change in a firm’s profit, cash flow and value from unexpected rate changes.
This chapter separates transaction exposure on open contracts, economic exposure on future cash flows, translation exposure on consolidated statements, and contingent exposure that depends on a third party’s decision, using cases where several apply at once.
Putting numbers on it
It measures transaction exposure with the accounting method and value at risk for one currency and for a portfolio, then economic exposure with sensitivity analysis and regression, and notes the limits of each tool.
Where marks are won and lost
The Week 9 tutorial solutions on exposure ask you to classify before you compute: name each exposure, say which party bears it and why, and note explicitly when a type is absent, as the lecture’s case does for transaction exposure.
The lecture’s value at risk examples show the formula with the correct z-value, the rate at the maximum loss and the home-currency loss, followed by a plain sentence of interpretation. Portfolio answers also need the portfolio standard deviation shown and a comment on diversification.
How it connects
Measurement comes before management.
The exposure type found here decides the tool in Chapter 8: contracts for transaction exposure, operating strategy for economic exposure and options for contingent exposure. Part B of the group assignment follows the same order, asking first for a company’s major risk exposures and then for an evaluation of its risk policies.
What this chapter covers
- 01
FX risk defined
- 02
Transaction exposure
- 03
Economic exposure
- 04
Translation exposure
- 05
Contingent exposure
- 06
Accounting-based measurement
- 07
Value at risk
- 08
Portfolio value at risk
- 09
Sensitivity and regression analysis
Worked example · free
Compute a one-day value at risk on a dollar receivable
- 1Maximum loss: 0% − 1.65 × 0.6% = −0.99%.
- 1Rate at that loss: 1.5200 × (1 − 0.0099) = A$1.5050 per US dollar.
- 1Value lost: 2,000,000 × 1.5200 × 0.0099 = A$30,096.
Key terms
- Economic Exposure
- How much a firm’s value and expected cash flows respond to surprise exchange rate moves.
- Translation Exposure
- The accounting change in consolidated equity from converting a subsidiary’s statements.
- Contingent Exposure
- Currency risk that exists only if a third party makes a pending decision.
- Sensitivity Analysis
- Recomputing revenues and costs by currency under several exchange rate scenarios.
- Accounting-Based Method
- Measuring past transaction exposure from the foreign exchange gains and losses a firm has booked.
Identifying and Measuring Foreign Exchange Exposure FAQ
Can a purely domestic firm have currency exposure?
Yes, economic exposure. A firm that buys and sells only at home can still lose sales when an importing rival’s currency weakens and its goods become cheaper, even though none of the firm’s own contracts is in a foreign currency.
Why is a two-currency value at risk lower than the sum of the parts?
Because the currencies are imperfectly correlated, their bad days do not all coincide. The portfolio’s volatility is less than the weighted average of the individual volatilities, and the lower the correlation, the larger that diversification benefit.
What are the main limits of value at risk?
It assumes rate changes are normally distributed and that volatility is stable. If the true distribution has fatter tails, or the future is more volatile than the past, the estimated maximum loss understates what can actually happen.
When does contingent exposure become transaction exposure?
When the uncertain event happens. A firm bidding on a foreign project faces contingent exposure until the bid is decided; once the bid is accepted, the foreign cash flow is contracted and the exposure becomes an ordinary transaction exposure.
Exam move
Classify ten short cases by exposure type before computing anything, then practise one single-currency and one portfolio value at risk with your own volatilities and weights. Then explain, for each tool, one condition under which it would mislead you, such as fat tails for value at risk.
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