A forecast hedging process is the repeatable routine a company uses to turn its forecast foreign-currency receipts and payments into hedge decisions: which exposures to cover, how much, for how long, and who signs it off. It is not a prediction of where sterling is heading. It is a way of deciding how much to protect when you do not know the rate and are only partly sure of the cash flow. This guide walks through the seven steps, shows a worked example, and flags the points where UK finance teams most often go wrong.
TL;DR
- Forecast hedging starts with the cash flow forecast, not the market view: identify the size and timing of future foreign-currency payments and receipts first.
- Grade each forecast by certainty (contracted, highly predictable, uncertain) and hedge more of the near-term, reliable flows and less of the distant ones.
- Put the rules in a written FX policy: risk tolerance, hedge ratios, instruments, approvals and execution, reviewed at least annually.
- Monitor continuously. Forecast errors and poor communication between sales, operations and treasury are a common cause of over- and under-hedging.
- Measure the process with a risk-based figure such as Value at Risk (VaR), not with whether the hedge "beat" the spot rate.
Table of Contents
- What forecast hedging means for a UK business
- The forecast hedging process in seven steps
- How to tell whether the process is working
- Common mistakes in forecast hedging
- Our perspective
- Running this process on a platform
- FAQ
- Sources
What forecast hedging means for a UK business
Most UK companies with overseas customers or suppliers know their exposure on invoices already issued. The harder part is the cash flow that has not been invoiced yet: next quarter's euro sales, the dollar-priced components you will reorder in six months, a subsidiary dividend due next year. Hedging those flows in advance is what people mean by forecast hedging.
The quality of the forecast matters because a hedge is a contract with a fixed size and date. If the underlying cash flow turns out smaller or later than planned, the hedge no longer matches it. You can end up over-hedged, holding a currency position that is itself a risk. A 2024 Treasury Today report notes that misalignment and hedge amount errors often stem from inaccurate forecasting or poor communication between sales, operations and treasury teams. In other words, the weak point is usually the process around the forecast, not the hedging instrument.
A good process therefore does three things: it produces a forecast that treasury can trust, it translates forecast confidence into hedge size, and it keeps the two aligned as reality changes.
The forecast hedging process in seven steps
The stages below follow the structure of HM Treasury's guidance on managing foreign exchange exposure, which is written for government bodies but describes a cycle any company can use: identify forthcoming foreign-currency payments and receipts with their size and timing, measure their impact and risk against tolerance, manage the risk if it exceeds tolerance, and report total exposures. We have expanded that cycle into seven practical steps.
Step 1: Collect the forecast exposures
Start with every foreign-currency flow you expect over your planning horizon, normally 12 months, longer if you have multi-year contracts. For each one record:
- the currency and the amount;
- the expected settlement date or window;
- the source (signed contract, purchase order, budget assumption, pipeline);
- the owner in the business who can confirm or change it.
Do not rely on treasury alone. Sales knows the pipeline, procurement knows the reorder cycle, and operations knows when a project will slip. If those inputs arrive by email once a quarter, the forecast is already stale. A shared template with named owners and a fixed monthly update date fixes more problems than any instrument choice.
Net the flows by currency where it is sensible. A business that buys and sells in euros only needs to worry about the net euro position in each period, though you should keep the gross figures visible, because the gross flows are what can move independently.
For a deeper look at how to size what you find, see our guide to currency impact assessment steps for CFOs.
Step 2: Quantify what a rate move would cost
A list of exposures is not yet a risk number. Translate each currency position into pounds at your budget rate, then ask what a plausible adverse move would do to margin and cash. There are two common approaches: simple sensitivity (what does a 5% or 10% move do?) and a statistical measure. HM Treasury's 2023 guidance presents Value at Risk as one approach to quantify the potential impact of exchange rates on a budget or financial position.
Whichever you choose, state the result in terms the board cares about: the effect on gross margin, on covenant headroom, on the cash you need in a given month. A figure such as "a 10% fall in sterling against the dollar costs us roughly £X of margin in the next two quarters" gets decisions made. A table of currency pairs does not.
Our page on hedging based on value at risk explains how this measure can drive hedge sizing.
Step 3: Grade forecast certainty
This is the step that separates forecast hedging from ordinary invoice hedging. Not all forecast cash flows deserve the same treatment. PwC's guidance on assessing forecast transactions points to distinguishing contracted, highly predictable and uncertain flows and considering how far away they are. A business can hedge a greater proportion of near-term or more reliable payments and less of the distant, less certain ones, within the parameters of its FX policy.
A simple grading you can adopt:
| Grade | What it looks like | Typical treatment |
|---|---|---|
| A: Committed | Signed contract or confirmed purchase order with fixed currency amount and date | Highest hedge ratio allowed by policy |
| B: Highly predictable | Recurring revenue or supplier orders with a stable history | Medium to high ratio, reviewed monthly |
| C: Probable | Budgeted or pipeline flows with some uncertainty on size or timing | Low ratio, built up as certainty improves |
| D: Speculative | Early-stage pipeline, new markets, one-off ideas | Usually left unhedged and monitored |
The grades are an internal convention, not a regulatory standard. What matters is that each flow is graded by a named person on stated evidence, and that grades change as contracts are signed or lost.
Step 4: Set hedge ratios by grade and horizon
Now combine certainty and distance. The usual pattern is a declining ladder: a high percentage of the next three months, less for months four to six, less again beyond that. Many treasury teams build the hedge in layers, adding cover as each period gets closer and the forecast firms up. That is a design choice for you to make, not a rule.
Here is an illustrative example. These figures are hypothetical and not a recommendation.
| Horizon | Forecast euro receipts | Hedge ratio | Hedged amount |
|---|---|---|---|
| Months 1 to 3 | €1,000,000 | 80% | €800,000 |
| Months 4 to 6 | €900,000 | 50% | €450,000 |
| Months 7 to 12 | €1,600,000 | 25% | €400,000 |
Total forecast is €3.5 million, with €1.65 million hedged, about 47% overall. If the months 7 to 12 sales come in 30% short, the hedge on that bucket is still below the actual flow, so you are not over-hedged. Had you hedged 80% of the whole year on day one, a 30% shortfall would leave you holding cover for flows that never arrive. That asymmetry is the reason the ratios taper.
Step 5: Write it into an FX policy
Hedge ratios that live in someone's head will not survive a staff change or a volatile month. HM Treasury's guidance says the FX policy document must cover objectives, accountabilities, FX risks, risk-identification processes, risk tolerance, associated risks, budgeting and accounting, and be reviewed annually. That requirement applies to UK departmental bodies exposed to material FX risk, but the checklist is just as useful for a private company.
For a corporate, we would make sure the policy answers these questions in plain language:
- What is the objective: protect the budget rate, protect margin, or protect cash?
- What is the risk tolerance, expressed as an amount (for example, maximum acceptable loss over a given period)?
- Which hedge ratios apply to which certainty grade and time bucket?
- Which instruments are permitted (forwards, options, natural hedges) and which are not?
- Who can approve a trade, up to what size, and who executes it?
- How often are forecasts refreshed and the policy reviewed?
Keep it short enough that a new finance manager reads it. Our corporate forex strategy guide for finance teams covers how policy and strategy fit together.
Step 6: Execute, document and decide on accounting
Execution should follow the policy mechanically: the forecast says what is due, the policy says what cover is needed, and treasury trades the difference. Record each trade against the exposure it covers. A hedge with no link to a specific forecast flow is hard to monitor and hard to explain to auditors.
Accounting needs a decision before you trade, not after. Under FRS 102, a highly probable forecast transaction can qualify as a hedged item for cash flow hedge accounting if specified conditions are met, including documenting the hedging relationship and the causes of hedge ineffectiveness. ICAEW also explains that cash flow hedge accounting for a foreign-currency liability often does not reduce profit-or-loss volatility and can even increase it. So do not assume hedge accounting is worth the paperwork: ask your auditor or technical accounting adviser whether it will help in your case before designating anything. Companies reporting under IFRS should check the equivalent IFRS 9 rules with the same people.
For teams that do designate, IFRS 9 allows the layer approach: management can designate highly probable forecast sales in specific time buckets, provided the designation allows an objective determination of whether a transaction is hedged. That fits neatly with the bucketed ratio table above. Our articles on accounting for FX risk go further into the mechanics.
Step 7: Monitor, report and review
The process only works if the forecast is refreshed and compared with the hedge book on a schedule. HM Treasury's guidance says to monitor whether FX exposure remains below acceptable risk tolerance, using a risk-based measure such as VaR, and to report exposures through normal financial reporting.
In practice, a monthly cycle works for most mid-sized companies:
- Update the forecast, flagging any change in size, timing or certainty grade.
- Recalculate the hedge ratio per bucket and compare it with policy limits.
- Identify over-hedged buckets (cover above the revised forecast) and under-hedged ones.
- Decide whether to add cover, let hedges mature, or adjust them.
- Report total exposure, hedged percentage and the risk measure to the CFO.
Keep a record of every forecast version, every grade change and the reason. If something goes wrong, that trail shows whether the cause was a forecasting error, a policy gap or an execution slip. For more on this step, read our guide to ways to monitor FX exposure.
How to tell whether the process is working
The wrong test is whether your hedges made money against spot. A hedge that protects the budget rate in a year when sterling moves in your favor will look like a loss, and it still did its job. Better measures:
- Risk against tolerance: is your unhedged exposure, measured by VaR or a stress test, inside the limit in your policy?
- Forecast accuracy by currency and grade: how far off were the A, B and C forecasts? If grade B flows regularly miss by 25%, they are really grade C.
- Hedge effectiveness against budget: how close was the realized rate on the hedged portion to the budget rate?
- Policy breaches: how many times did a bucket exceed its ratio limit, and how fast was it fixed?
- Timeliness: was the forecast update delivered by the agreed date each month?
Review these quarterly and use them to adjust the ratios and the grading rules, not just the trades.
Common mistakes in forecast hedging
Treating the budget as a forecast. Budgets contain targets. Treasury needs the realistic cash flow, and it needs sales to say how confident they are.
Hedging the whole forecast at once. It feels safe and it creates the over-hedging problem described above. Layering and tapering reduce it.
Ignoring timing. A forecast with the right amount in the wrong month still leaves a gap. Treasury should know whether a flow can move by weeks, not just whether it will happen.
No owner for each forecast line. When nobody is accountable for a line, nobody tells treasury it has changed.
Accounting as an afterthought. Hedge documentation has to exist from the start if you want hedge accounting. Deciding later is usually too late.
Letting the policy go stale. Guidance for government bodies calls for annual review; the same discipline suits any business whose currencies, customers or suppliers change.
Our perspective
In our experience building tools for corporate finance teams, the forecast is where hedging programs quietly succeed or fail. Teams spend weeks debating forwards versus options and very little time on how a sales forecast reaches treasury. We would reverse that effort.
We also think certainty grading should be visible, not implied. When every forecast line carries a grade and an owner, the hedge ratio stops being an argument and becomes a calculation. And we favor measuring the process with a risk figure such as VaR, because it keeps the conversation on how much risk the company is carrying rather than on whether last quarter's trade looked clever in hindsight.
Finally, small and mid-sized companies should not need an institutional trading desk to do this properly. A clear policy, a monthly cycle and live visibility of positions get most of the benefit.
— Bartas
Running this process on a platform
If your forecast sits in spreadsheets and your positions in several bank portals, the monthly cycle above takes days. The Corphedge platform brings currency position tracking, hedging strategy simulation, Value at Risk analysis, portfolio reporting, live market data and automated notifications into one place, so the monitoring step becomes a routine check rather than a project. You can see how the screens work in the product tour, and the Corpay integration covers execution. We are also expanding to Poland and Sweden, so if you have zloty or krona flows in your forecast, talk to us.
If you want your team to learn the method first, our FX hedging course is a one-off purchase at €220. The platform itself has no published price.
FAQ
What are the steps in the forecast hedging process?
Collect forecast foreign-currency flows with size, timing and owner; quantify the impact of rate moves; grade each forecast by certainty; set hedge ratios by grade and horizon; write them into an FX policy; execute and document; then monitor and report. The cycle repeats monthly or quarterly as forecasts change.
How much of a forecast cash flow should I hedge?
There is no universal percentage. A business can hedge a greater proportion of near-term or more reliable payments and less of distant, less certain ones, within the limits set by its FX policy. Your risk tolerance, margins and the reliability of your forecasts should set the numbers, ideally agreed with your CFO and auditor.
Can a forecast cash flow qualify for hedge accounting?
Under FRS 102, a highly probable forecast transaction can be a hedged item if the conditions are met, including formal documentation of the hedging relationship. Whether it is worthwhile depends on your circumstances, so check with your accountant or auditor before you trade.
How do I avoid over-hedging?
Grade forecasts by certainty, taper hedge ratios as the horizon lengthens, and refresh the forecast on a fixed schedule. Make sure sales, operations and treasury share the same numbers, since miscommunication between them is a common cause of hedge amount errors.
Which risk measure should I use to monitor the process?
A risk-based measure such as Value at Risk is a common choice, because it lets you compare exposure with a stated tolerance. Pair it with forecast accuracy by grade, so you can see whether the inputs are improving.
Sources
- Guidance for the Management of Foreign Exchange Exposure, HM Treasury, March 2023
- FAQ 12.72.1: How does an entity assess whether a forecast transaction is highly probable, PwC
- Hedge accounting under FRS 102, ICAEW
- Time to trim the hedge?, Treasury Today, August 2024
- Hedging cash flows in specific time buckets, PwC