You've probably seen ROE thrown around in earnings calls, investor presentations, and those "5 metrics every investor must know" articles. Practically speaking, return on equity. Simple enough, right? Net income divided by shareholders' equity. Done Worth keeping that in mind..
But here's the thing — that's not the whole story. Because of that, not if you're looking at a company with preferred stock on its balance sheet. And honestly? Most people skip right past that detail Not complicated — just consistent..
The return on common stockholders equity formula exists for a reason. It strips out preferred shareholders so you can see what's actually left for common shareholders — the people buying shares on the open market. In real terms, if you're analyzing a bank, a utility, or any company with preferred equity, the standard ROE number will lie to you. Sometimes by a lot Not complicated — just consistent..
Let's walk through what this metric actually does, why it matters, and how to calculate it without getting tripped up The details matter here..
What Is Return on Common Stockholders Equity
At its core, this metric measures how efficiently a company generates profit from the capital that common shareholders have put at risk. Not total equity. Not preferred equity. Just the common slice Worth knowing..
The return on common stockholders equity formula looks like this:
ROCE = (Net Income − Preferred Dividends) ÷ Average Common Equity
That's it. Three moving parts. But each one has nuance That's the part that actually makes a difference..
Net Income Minus Preferred Dividends
Preferred dividends aren't optional. Here's the thing — they're contractual obligations. Before a single penny flows to common shareholders, preferred holders get paid. So you subtract them from net income to see what's actually available to common equity holders.
Some analysts use "net income attributable to common shareholders" straight from the income statement. Practically speaking, same thing. Different label Simple, but easy to overlook..
Average Common Equity
This is where people get lazy. They grab year-end common equity and call it a day. But equity changes throughout the year — share buybacks, new issuances, retained earnings, other comprehensive income. Using a single point in time distorts the ratio That's the whole idea..
Average common equity = (Beginning Common Equity + Ending Common Equity) ÷ 2
Common equity itself? Total shareholders' equity minus preferred equity. Simple subtraction. But you have to find the preferred equity line item first — sometimes it's buried in the footnotes.
Why Not Just Use Total ROE?
Because total ROE includes preferred equity in the denominator. Including it inflates the denominator without adding proportional risk. Preferred equity usually carries a fixed, lower cost than common equity. Plus, the result? A lower, misleading ROE that makes the company look less efficient than it really is for common holders It's one of those things that adds up..
Flip side: if a company has no preferred stock, ROCE and ROE are identical. The formula still works — preferred dividends and preferred equity both zero out.
Why It Matters / Why People Care
You might ask: does this really move the needle? But in financials? Even so, utilities? REITs? Consider this: for most companies, no. Preferred stock is rare in tech, industrial, consumer — most sectors, really. It's everywhere But it adds up..
Banks issue preferred stock to meet regulatory capital requirements. Utilities use it for infrastructure financing. Day to day, a company like Wells Fargo or Duke Energy might have billions in preferred equity. Using standard ROE on them understates returns to common shareholders by 100, 200, sometimes 300 basis points.
That's not rounding error. That's the difference between "adequate" and "excellent" in a valuation model It's one of those things that adds up. No workaround needed..
Real-World Example
Say a bank earns $10 billion net income. It pays $400 million in preferred dividends. Total shareholders' equity is $150 billion, of which $10 billion is preferred Most people skip this — try not to. Surprisingly effective..
Standard ROE: $10B ÷ $150B = 6.67%
ROCE: ($10B − $400M) ÷ ($150B − $10B) = $9.6B ÷ $140B = 6.86%
Not a massive gap here. But shift the numbers — $5B preferred, $200M preferred dividends — and suddenly:
Standard ROE: $10B ÷ $150B = 6.Because of that, 67% ROCE: $9. 8B ÷ $145B = 6.
Still modest. But what if preferred is $30B?
Standard ROE: $10B ÷ $150B = 6.67% ROCE: $9.6B ÷ $120B = 8.
Now you're looking at a 133 basis point difference. In practice, that changes peer comparisons. Also, it changes cost of equity estimates. It changes whether you think management is creating value.
And here's the kicker — preferred dividends are often cumulative. So even in years when preferred dividends aren't paid, you should still subtract them from net income for ROCE purposes. Here's the thing — the obligation doesn't vanish. Which means if a company suspends them, they accumulate. The economic claim exists regardless of cash timing.
How It Works — Step by Step
Let's break this down into a repeatable process. You can do this in Excel in two minutes once you know where to look.
Step 1: Find Net Income
Income statement. Not "core." Not EBITDA. Think about it: gAAP net income. Bottom line. In real terms, not adjusted. Net income attributable to the consolidated entity.
If the company reports "net income attributable to common shareholders" — use that directly. Skip step 2.
Step 2: Subtract Preferred Dividends
Check the income statement or statement of shareholders' equity. In real terms, look for "preferred dividends," "dividends on preferred stock," or similar. Sometimes it's in the footnotes under "earnings per share" reconciliation.
If there are multiple series of preferred stock, add them all up.
Subtract from net income. This is your numerator.
Step 3: Calculate Average Common Equity
Grab the balance sheet for the current period and the prior period Easy to understand, harder to ignore..
Find total shareholders' equity for both periods.
Find preferred equity for both periods. This might be labeled "preferred stock," "redeemable preferred stock," "non-redeemable preferred stock" — sometimes it's in mezzanine equity (between liabilities and equity). Read the footnotes That alone is useful..
Common equity (current) = Total equity (current) − Preferred equity (current) Common equity (prior) = Total equity (prior) − Preferred equity (prior)
Average common equity = (Common equity current + Common equity prior) ÷ 2
Basically your denominator Nothing fancy..
Step 4: Divide
ROCE = Numerator ÷ Denominator
Express as a percentage. Compare to cost of equity. Compare to peers. Track over time.
A Note on Timing
Use average common equity for the period the net income was earned. If annual, use annual average. On top of that, if you're calculating Q3 ROCE, use average common equity for Q3. Mixing annual net income with a single quarter's equity balance is a classic error.
Common Mistakes / What Most People Get Wrong
I've seen smart analysts mess this up. Here are the big ones.
Using Year-End Equity Only
We covered this. But it bears repeating. Even so, if a company did a massive share buyback in December, year-end equity is artificially low. ROCE looks artificially high. Average equity smooths this.
Forgetting Mezzanine Preferred
Forgetting Mezzanine Preferred
Preferred stock isn't always clearly labeled on the balance sheet. Some companies place it in mezzanine equity, which sits between liabilities and equity on the balance sheet. Which means others hide it in footnotes under "Shareholders' Equity" with vague descriptions. If you miss this classification, you'll overstate common equity and understate ROCE.
Check the equity section carefully. In real terms, read the notes. When in doubt, trace the math from the statement of shareholders' equity back to the balance sheet totals.
Treating ROCE Like a Profitability Ratio
ROCE measures return, not profitability. Also, a company can be highly profitable but generate poor returns if it carries too much equity on its balance sheet. In real terms, conversely, a company with modest profits but efficient capital allocation can show strong ROCE. Don't confuse high ROCE with operational excellence — it might just mean the company doesn't need much equity capital Worth keeping that in mind..
Ignoring Seasonality and Cyclical Effects
Retailers, utilities, and construction companies all have seasonal balance sheets. A clothing retailer's equity swells in January after the holiday season; a construction firm's equity fluctuates with project completion cycles. Using simple beginning/end values or even quarterly averages can distort ROCE significantly. Look at multi-year trends, not single-period snapshots.
The official docs gloss over this. That's a mistake.
Using Market Value Instead of Book Value
Some investors substitute market value of equity for book value in the denominator. This makes ROCE look more like ROE (Return on Equity) and introduces stock price volatility that has nothing to do with operational performance. Stick to book value — it represents the capital actually employed in the business Nothing fancy..
Why ROCE Still Matters
In an era of sky-high valuations, ROCE helps you cut through the noise. While everyone chases growth rates and margin expansion, ROCE forces you to ask the harder question: Is the company generating adequate returns from the capital investors have already provided?
People argue about this. Here's where I land on it Nothing fancy..
A company with 12% ROCE trading at 15x earnings might be cheaper than a 6% ROCE company at 12x earnings, even though the latter looks more "cheap" on traditional metrics. ROCE helps you spot these mispricings But it adds up..
It's also invaluable for assessing management quality. Consistent ROCE improvement suggests effective capital allocation. Deteriorating ROCE despite rising profits signals potential capital destruction — a red flag that often precedes disappointing stock performance Easy to understand, harder to ignore..
Final Thoughts
ROCE is deceptively simple but surprisingly nuanced. And get the calculation wrong, and you'll draw the opposite conclusions from the right ones. Master it, and you'll have a powerful lens for evaluating business quality and valuation simultaneously Surprisingly effective..
The key is consistency: subtract preferred dividends every time, average your equity balances, and always distinguish between total equity and common equity. Do that, and ROCE becomes not just a number, but a reliable compass for long-term investment decisions.
In the end, the best investors aren't those who find the most clever formula — they're those who apply the simplest ones correctly, year after year. ROCE rewards that discipline.
