AKM1 · 8 min read
ROIC — the forgotten financial ratio that decides whether growth creates value
AK1A Research Lab · Published 2026-09-01
Everyone talks growth. Everyone talks P/E. Almost no one talks about the number that decides whether the growth is worth anything: return on invested capital (ROIC). It is the financial ratio institutional analysts use to distinguish a company growing rich from a company growing poor — and at the same time the most systematically overlooked tool in private individuals' toolbox. According to classic value investing practice, the question is namely not whether the company grows, but what each growth krona costs to buy.
What ROIC is — in a single equation
ROIC = NOPAT ÷ invested capital
NOPAT (net operating profit after tax) is the operating profit after tax but before interest. Calculate it most simply as operating profit × (1 − effective tax rate). Invested capital is the capital the business actually works with: equity plus interest-bearing debt (the liabilities with interest), minus liquid funds. Alternatively — and more operationally — net working capital plus non-current assets. Both routes should land in the same order of magnitude; if they do not, you have found something worth digging into.
The key to understanding ROIC's point is what is not in the formula: the financing. ROE (V09 in AKM1) measures the return on your own equity — but that equity can carry leverage on it. ROIC measures the return on the whole capital base, regardless of how it is financed. It is the company's operations standing on stage, without its CFO.
The worked example: from annual report to conclusion
A simplified example in Swedish kronor. An industrial company reports:
- Operating profit: 2 000 mkr
- Effective tax rate: 20 %
- Equity: 5 000 mkr
- Interest-bearing debt (liabilities with interest): 3 000 mkr
- Liquid funds: 1 000 mkr
NOPAT = 2 000 × (1 − 0,20) = 1 600 mkr. Invested capital = 5 000 + 3 000 − 1 000 = 7 000 mkr.
ROIC = 1 600 ÷ 7 000 ≈ 23 %.
Is that good? The question is meaningless without a reference point: the cost of capital. As a rule of thumb for mid-sized Swedish listed companies, a discount rate (WACC) often lies somewhere in the range 8–10 %. A ROIC of 23 % against a cost of capital around 9 % means that every reinvested krona earns about 14 öre more than it costs — year after year. That is value-creating, and strongly so. A ROIC of 6 % against the same cost of capital means that every growth krona destroys roughly 3 öre per year. Growth bought below the cost of capital is not growth — it is a slow liquidation with revenue growth as a distraction.
Why ROIC determines the moat (V13–V15)
Here comes the deeper point. In a functioning market economy, excess returns gravitate toward the cost of capital: competitors see the profit margins, capital flocks, prices are pressed. A company that keeps ROIC well above WACC for ten years is doing something the market should have stopped — and has not. Something is protecting the return.
That is the definition of a moat, and in the AKM1 model the protected return is precisely what the moat variables measure: V13 (patents and intangible rights), V14 (brand and pricing power) and V15 (network effects). See it as symptom and diagnosis: a persistently high ROIC is the symptom — V13–V15 are the underlying diagnosis. If you cannot point to which of the three (or a combination) explains why ROIC does not erode, then you do not have a moat — you have a temporary lead, and leads have a tendency to disappear precisely when you have begun counting on them.
A methodical requirement here: do not say 'high ROIC' based on a single year. According to classic value investing practice, it is the average over a whole business cycle — five to ten years — that is the proof. A single peak year can be a cycle gift; an average ROIC above 15–20 % through both boom and recession is a structure. Therefore calculate ROIC for the last five years and look at both the level and the trend: a falling series from a high level is a moat being filled in again, and the market reprices it sooner or later.
Conversely: a company with a wise V14 assessment but falling ROIC has a moat that is being dug over. The pricing power shows in the margins (V07, V08) but is proven in the return on capital.
The leverage trap: when ROE lies and ROIC tells the truth
Classic example: two companies with identical operations, both with ROE 15 %. The first is debt-free. The second has a debt-to-equity ratio of 150 % — the ROE is driven by leverage, not by the operations. If you calculate ROIC you see that the second company's operations return perhaps 8 %, below the cost of capital. The shareholders get their ROE — but they pay for it with risk: interest rate sensitivity, contract-bound cash and a balance sheet that worsens every downturn.
That is why V09 (ROE) should always be read together with V10 (debt-to-equity ratio). The Du Pont decomposition (margin × turnover ratio × leverage) shows where the return comes from — the course V09: Calculate ROE like an analyst goes through that method step by step. ROIC is the next floor up: it cleans away the leverage completely and compares the operations against their price.
The value engine: reinvestment × (ROIC − WACC)
A company's value creation can be summarized roughly as: reinvested capital × (ROIC − cost of capital) × time. Three components — and two of them are multipliers. Think of two companies that both grow 10 % per year:
- Company A reinvests to grow and returns 25 % on the new capital. Every reinvestment adds value far above the cost of capital; the growth is a value engine.
- Company B reinvests just as much but returns 8 %, while the capital costs 9 %. The growth is real — revenue increases — but every year it grows it destroys shareholder value. It would be more valuable if it paid out the money and stopped growing.
The same growth figure in the press release. Two completely different values. The valuation multiple the market should give them differs — but the market often sees only the growth percentage, especially in euphoric phases. That is why a simple PEG approach (P/E divided by growth) can rank companies wrongly: it rewards B and A equally. Our review of PEG's weaknesses develops precisely that blindness.
For early-stage growth companies an important variant is added: the capital burn (V19). A company with a negative result cannot yet show a meaningful ROIC — but the cash burn rate together with the cash on the balance sheet determines whether the company reaches profitability. Capital discipline is not the opposite of growth; it is the precondition for the growth being allowed to remain.
Reinvest or hand back? Capital return as the test
The question every CEO should face for every krona: does a reinvestment return more than the cost of capital? If yes — invest. If no — hand the capital back to the owners, through dividend or share buyback of own stocks (V20 in AKM1). A precondition for a share buyback that creates value is namely that the company has no better internal use of the capital — a buyback at too high a price to push up earnings per share is pure capital destruction.
So ROIC gives you a powerful way to think about capital use: companies with high ROIC and few reinvestment opportunities should distribute capital; companies with ROIC well above WACC should reinvest aggressively; companies with ROIC below WACC should not grow at all — they should shrink themselves to profitability or turn into dividend machines. When you read a management report, look for paragraphs that prove the management thinks in those paths.
And the exercise's final check: does the company survive long enough?
A high ROIC is a longevity property — it presupposes that the company lives. That is why in AKM1 we always read the return on capital together with the stability variables: V10 (debt-to-equity ratio) and V11 (liquidity — the quick ratio, which measures whether short-term liabilities can be paid). A company with ROIC 25 % and quick ratio 0,4 is a brilliant business that may not exist in a year. A return without survival is a theory; survival without return is a waiting. You need both, and they should be interpreted together.
Next step
- Calculate ROIC for a company you already own: fetch operating profit, tax rate and balance sheet items from the latest report and run the equation in the calculator. Compare with a cost of capital of 8–10 % — on which side of zero does the value engine land?
- Deepen the ROE side in the course V09: ROE — the Du Pont decomposition is the best complement to ROIC.
- Continue in the Curriculum to the moat variables V13–V15 and test: can you explain the company's ROIC with a concrete moat — or is it just a temporary lead?
FAQ
What is ROIC, and how does it differ from ROE?
ROIC (return on invested capital) är avkastningen på hela kapitalbasen: NOPAT delat med investerat kapital (eget kapital plus räntebärande skulder minus likvida medel). ROE mäter bara avkastningen på det egna kapitalet och kan pumpas upp av hävstång — två bolag med identisk verksamhet kan visa samma ROE medan det enas rörelse i själva verket avkastar under kapitalkostnaden. ROIC städar bort finansieringen och visar rörelsens egen förtjänst, och ska alltid läsas tillsammans med V09 (ROE) och V10 (skuldsättningsgrad).
How do I calculate ROIC in practice?
Två steg: NOPAT = rörelseresultat × (1 − effektiv skattesats), och investerat kapital = eget kapital + räntebärande skulder − likvida medel (alternativt nettoarbetskapital + anläggningstillgångar). I räkneexemplet ger rörelseresultat 2 000 mkr, skattesats 20 % och investerat kapital 7 000 mkr en ROIC omkring 23 %. Räkna gärna fem år i kalkylatorn — både nivån och trenden är information.
What is a good ROIC level?
The question only becomes meaningful against a reference point: the cost of capital (WACC), often 8–10 percent for mid-cap Swedish listed companies. ROIC above WACC means every reinvested krona earns more than it costs; ROIC below WACC means growth destroys value. An average ROIC of 15–20 percent through an entire business cycle is also a symptom of a moat — the diagnoses are found in variables V13–V15.
What does the difference between ROIC and WACC mean for value creation?
Värdemotorn kan sammanfattas som återinvesterat kapital × (ROIC − kapitalkostnad) × tid. Med ROIC 23 % mot kapitalkostnad 9 % tjänar varje återinvesterad krona cirka 14 öre mer än den kostar, år efter år; med ROIC 6 % mot 9 % förstör tillväxten cirka 3 öre per krona och år. Därför hör hög ROIC med goda återinvesteringsmöjligheter hemma i återinvestering, medan kapital utan användning över kapitalkostnaden hör hemma hos ägarna — utdelning eller återköp (V20).
This is educational financial analysis, not investment advice.