Inherent vs Residual FX Risk: Measuring Your Exposure

Key points

• Inherent risk is before controls; residual risk is after.
• A risk control is any process, policy or action designed to change a risk – a forward contract is one.
• Measure inherent risk first, then test hedging strategies to see what residual risk they leave.
• Exposure isn’t the whole story – forecast changes, contract obligations, credit and liquidity matter too.

3-minute read

Inherent risk and residual risk are simple but important concepts to grasp when assessing risk. This article explores how they fit into a risk management programme – and why it’s important to know your numbers!

Definitions

• Inherent risk – the amount of risk in the absence of controls
• Residual risk – the amount of risk after the application of controls

💡 Inherent risk is before controls are applied, residual risk is after.

• Risk control – a process, policy or action designed to modify a risk

Assessing Risk

When assessing risk, it’s important to use both quantitative and qualitative methods. Running a collaborative Risk and Control Self Assessment (RCSA) workshop with the relevant stakeholders lets you answer the following questions:

1. What are the inherent risks?
2. What is the likelihood and potential impact of the risks?
3. What controls are in place, and how effective are they?
4. What are the residual risks?

💡 It’s important to consider the level of risk the business is willing to take to achieve its strategic objectives!

Business Currency Risk

At Oku Markets, we use a carefully designed suite of currency risk measurements to calculate a business’s inherent risk and residual risk. In other words, we calculate the level of risk a business is exposed to before and after implementing a hedging programme.

When designing a currency hedging strategy, it’s important to follow these steps:

1. Outline the business’s objectives and risk appetite
2. Consider the business’s sales, stock and pricing cycles
3. Understand the competitive environment in the business’s marketplace
4. Identify and assess (measure) currency risks – inherent risk
5. Qualitative assessment, including “what if” questions
6. Develop hedging strategies to fit around the business’s unique circumstances
7. Back-test and forward-test to demonstrate effectiveness – residual risk
8. Select the most appropriate strategy based on quantitative and qualitative tests

A Worked FX Exposure Example

Suppose a UK business must pay €1 million in six months and has no euro receipts to offset it. Before hedging, the full €1 million payment is exposed to changes in the sterling/euro exchange rate – this is its inherent transaction exposure.

If it books a forward contract for €600,000, the remaining €400,000 still needs to be bought at a future rate. That’s the residual unhedged transaction exposure. A 10% rise in the sterling cost of euros would increase the sterling cost of that unhedged portion by 10% – roughly 4% of the whole payment’s planned cost – assuming the payment forecast stays the same.

This simplified example measures exposure, not every aspect of risk. Forecast changes, contract obligations, credit and liquidity requirements also matter. Test those factors when comparing FX hedging programmes.

Need our help?

Our FX risk-management service helps measure exposure and test protection against your objectives. Discuss your currency risk with Oku Markets.

Implementing an effective currency risk strategy can be a daunting task – and there are many FX companies that aren’t up to it! This is where we come in…

We’re proud to work transparently with our clients, and we work hard to break the asymmetry of knowledge and information in the FX market.

You can contact us for a review of your currency processes, and for our guidance and suggestions, at info@okumarkets.com or 0203 838 0250.

Frequently Asked Questions

What is the difference between inherent and residual risk?

Inherent risk is the risk you face with no controls in place. Residual risk is what remains once your controls – for currency risk, mainly hedging – are applied. The gap between the two shows how much work your controls are doing.

Can residual FX risk ever be zero?

Rarely, and it’s not usually the aim. Even a fully hedged known payment can be affected if the amount or timing changes. Most businesses aim to bring residual risk down to a level that fits their risk appetite, rather than to zero.

How do you measure currency risk in a business?

Start by mapping the currency cash flows – what you pay and receive, in which currencies and when – and net off anything that naturally matches. Then test how the sterling value of the rest changes under different exchange-rate moves, before and after hedging.

Thanks for reading 👋