Start with two growth rates and one precise question
A company can report one revenue growth rate in its financial results and another at constant currency. Your task is to identify what changed between those calculations. Neither number should erase the other. Keep the reported result, the company's adjustment and the explanation together before deciding what the comparison tells you about the business.
This guide builds a manual worksheet for a fictional company called Harbor Software. All amounts, exchange rates and business arrangements in the exercise are invented. They illustrate translation arithmetic rather than any company's current results. Use your own document or spreadsheet; the exercise does not require or promise a currency analysis feature inside ThesisMemo.
Begin with an available source link on a company factor or timeline. Open the underlying earnings release or filing, and record the fiscal period and publication date. Then write a narrow question: how much of the difference between the two revenue growth rates comes from the currency translation method described in this document?
Find the definition before copying a percentage
Search the source for constant currency, foreign exchange, currency impact and reconciliation. Read the footnote that defines the calculation, including which period's exchange rates are held fixed and which financial amounts are recalculated. A familiar label does not establish the method. If the document does not explain the basis, preserve that gap in your notes.
The SEC's Non-GAAP Financial Measures guidance, Question 104.06, addresses a constant-currency presentation that isolates translation effects. It describes that presentation as non-GAAP and discusses presenting historical and constant-currency amounts together with the calculation process and basis. For this reading exercise, the practical step is to locate those explanations rather than treating the adjusted percentage as self-explanatory.
Create separate columns for reported revenue, the adjusted amount if supplied, the growth rate, reporting currency, period, scope and method. Keep consolidated and segment figures separate. If the company gives only a rounded growth rate, do not turn it into an apparently exact dollar amount without labeling your calculation as an estimate.
Work through a single-currency example
Assume Harbor's only business in this simplified example earns revenue in euros and reports in US dollars. Last year's comparable quarter produced 100 million euros. The assumed translation rate was 1.10 dollars per euro, giving reported revenue of 110 million dollars. This year's quarter produces 110 million euros at an assumed rate of 1.00 dollar per euro, also giving 110 million dollars.
Reported dollar revenue is therefore unchanged: 110 divided by 110, minus one, equals zero percent. Euro revenue grew 10 percent. For this exercise, hold the prior year's rate fixed and translate current euro revenue at 1.10 dollars per euro. The resulting constant-currency amount is 121 million dollars, which is 10 percent above the prior reported 110 million.
Write the bridge explicitly: 110 million prior reported revenue, plus 11 million growth at the fixed rate, minus 11 million from the translation-rate change, equals 110 million current reported revenue. The currency contribution to the growth bridge is negative 10 percentage points on the prior reported denominator. This is an arithmetic attribution under stated assumptions, not a claim about cash lost.
Check the direction and units of the exchange rate
The rate in Harbor's example is dollars per euro. Multiplying euro revenue by that rate produces dollars. A lower dollar-per-euro rate converts the same euro amount into fewer dollars. Writing the units beside the rate makes that direction visible and prevents an accidental division where multiplication was intended.
An inverse quote requires different arithmetic. If a separate exercise gives two euros per dollar and revenue of 100 million euros, dividing by two gives 50 million dollars. Multiplying would produce the wrong unit and amount. Before using a rate from another source, check its quote convention and whether it matches the company's disclosed method.
The rates here are deliberately simple hypothetical period rates. Do not replace a company's translation calculation with today's spot rate or a quarter-end quote and call the result a reconciliation. If the source does not supply the inputs needed to reproduce its method, record the published bridge and mark your independent reconstruction incomplete.
Add a domestic business without averaging growth rates
Now extend the fictional example with a US business. Assume domestic revenue rises from 90 million dollars to 99 million dollars. Combine that with the euro business above. Prior total revenue is 200 million dollars: 90 domestic plus 110 translated foreign revenue. Current reported total is 209 million: 99 domestic plus 110 foreign.
The consolidated reported growth rate is 4.5 percent. At the prior translation rate, current total revenue would be 220 million dollars: 99 domestic plus 121 foreign. Constant-currency growth is therefore 10 percent, and the difference is 5.5 percentage points. The 11 million translation effect is divided by the consolidated prior revenue of 200 million for this bridge.
Do not average the domestic 10 percent growth and foreign zero percent reported growth to obtain five percent. Their starting dollar revenues differ. Add comparable dollar amounts first and calculate the total growth rate, or use the appropriate prior-period weights. Keep this distinction when a real release shows several regions with very different revenue sizes.
Do not turn the currency bridge into a demand verdict
Harbor's constant-currency growth tells you what the specified revenue comparison looks like with a translation rate held fixed. The exercise does not tell you whether growth came from more customers, higher prices, a different product mix or an acquired business. Those possibilities require separate evidence. Write the next question instead of assuming the adjustment explains every commercial driver.
A label such as organic growth also needs its own definition. Check whether an issuer separately adjusts for acquisitions, disposals or other changes and how it combines those effects with currency. Do not silently rename a constant-currency number organic growth. If two companies use different definitions, describe the difference before placing their percentages in the same comparison.
Revenue is also not profit or cash flow. Harbor's simplified exercise contains no cost structure, collections, taxes or hedging arrangements, so it cannot establish an earnings or cash effect. The SEC's financial-statement guide distinguishes these statements and measures. Follow the appropriate disclosures if your actual question concerns margins, cash generation or exposure management.
Test a favorable-currency scenario as well
Use a separate hypothetical case to avoid learning only the unfavorable direction. Suppose euro revenue stays at 100 million while the translation rate rises from 1.00 to 1.10 dollars per euro. Reported dollar revenue rises from 100 million to 110 million, or 10 percent. At the prior rate, the current amount remains 100 million and growth is zero.
Here, the reported increase is entirely explained by the rate change within the exercise. That does not prove that a real company's demand is weak, nor does it predict a reversal next quarter. It shows why preserving both reported and fixed-rate comparisons is useful when testing a narrative about growth.
Keep the scenarios on separate worksheet rows. Label the original case, the expanded domestic-and-foreign case and this favorable-rate case clearly. Do not combine their totals or carry one case's rate into another. A useful review habit is to ask another reader to reproduce each result using only the amounts and assumptions on that row.
Save an evidence record for the next earnings review
Finish with the original source URL, exact reporting period, scope, currency, definition, reported result, adjusted result and any reconciliation gap. Add a short conclusion limited to what you reproduced. For the expanded Harbor example, reported growth is 4.5 percent and fixed-rate growth is 10 percent under the specified method; the bridge alone does not establish volume growth.
Return to ThesisMemo and compare the research review date with the source you just examined. The product's methodology distinguishes facts, possible implications and future checkpoints, and notes that update timing and coverage have limits. Keep your external calculation attached to its own document and period even if the displayed research has not yet incorporated that disclosure.
At the next review, check whether the company's definition or scope changed before appending another row. Preserve the old method and mark a break in comparability when necessary. Your finished worksheet should make uncertainty easy to locate: an unavailable adjusted amount, an unexplained method or a commercial question still awaiting evidence.
Product references
Questions & answers
What does constant-currency revenue growth mean?
It compares revenue using a specified approach that holds exchange rates fixed to isolate translation effects. Read the company's definition to identify the rates, periods and scope. In this tutorial's first hypothetical case, reported dollar revenue is flat while revenue translated at the prior rate grows 10 percent.
Is constant-currency revenue a replacement for reported revenue?
No. Retain both figures and the explanation connecting them. SEC Question 104.06 treats the constant-currency presentation it describes as non-GAAP. The adjusted measure answers a particular comparison question; it does not replace the reported amount or establish the cash received by the business.
Can I use the latest exchange rate to reproduce the calculation?
Only if it actually matches the disclosed calculation, which you must check. This tutorial uses explicitly assumed period rates. Substituting a current spot quote for the company's method can produce a different result. Mark missing inputs rather than presenting an unrelated conversion as a verified reconciliation.
Does constant-currency growth prove that sales volumes increased?
No. The calculation does not separate price, volume, product mix or acquisition effects by itself. Look for additional company disclosures and preserve their definitions. A currency-adjusted revenue increase can support a follow-up question without answering every question about underlying demand.
Does ThesisMemo automatically create the currency worksheet?
This guide describes a manual worksheet in your own document or spreadsheet. Use available company research and timeline sources as starting points, then verify the original disclosure. It does not promise an automatic foreign-exchange calculator, currency hedging tool or complete collection of every company announcement.