You've probably seen ROE thrown around in earnings calls, investor presentations, and those "5 metrics every investor must know" articles. Return on equity. On top of that, simple enough, right? Net income divided by shareholders' equity. Done.
But here's the thing — that's not the whole story. Not if you're looking at a company with preferred stock on its balance sheet. And honestly? Most people skip right past that detail Less friction, more output..
The return on common stockholders equity formula exists for a reason. 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. It strips out preferred shareholders so you can see what's actually left for common shareholders — the people buying shares on the open market. Sometimes by a lot That alone is useful..
Let's walk through what this metric actually does, why it matters, and how to calculate it without getting tripped up.
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. Here's the thing — not total equity. Still, not preferred equity. Just the common slice And that's really what it comes down to..
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 Most people skip this — try not to..
Net Income Minus Preferred Dividends
Preferred dividends aren't optional. Before a single penny flows to common shareholders, preferred holders get paid. They're contractual obligations. 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. Same thing. Different label.
Average Common Equity
At its core, where people get lazy. But equity changes throughout the year — share buybacks, new issuances, retained earnings, other comprehensive income. Think about it: they grab year-end common equity and call it a day. Using a single point in time distorts the ratio.
The official docs gloss over this. That's a mistake.
Average common equity = (Beginning Common Equity + Ending Common Equity) ÷ 2
Common equity itself? Now, total shareholders' equity minus preferred equity. On top of that, simple subtraction. But you have to find the preferred equity line item first — sometimes it's buried in the footnotes Not complicated — just consistent..
Why Not Just Use Total ROE?
Because total ROE includes preferred equity in the denominator. Now, preferred equity usually carries a fixed, lower cost than common equity. In real terms, including it inflates the denominator without adding proportional risk. On the flip side, the result? A lower, misleading ROE that makes the company look less efficient than it really is for common holders.
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 Simple, but easy to overlook. Surprisingly effective..
Why It Matters / Why People Care
You might ask: does this really move the needle? For most companies, no. Even so, preferred stock is rare in tech, industrial, consumer — most sectors, really. But in financials? That's why utilities? Also, rEITs? It's everywhere Simple, but easy to overlook..
Banks issue preferred stock to meet regulatory capital requirements. A company like Wells Fargo or Duke Energy might have billions in preferred equity. Consider this: utilities use it for infrastructure financing. Using standard ROE on them understates returns to common shareholders by 100, 200, sometimes 300 basis points Not complicated — just consistent. That alone is useful..
This is where a lot of people lose the thread Worth keeping that in mind..
That's not rounding error. That's the difference between "adequate" and "excellent" in a valuation model.
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 That's the part that actually makes a difference..
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 = 6.67% ROCE: $9.8B ÷ $145B = 6.
Still modest. But what if preferred is $30B?
Standard ROE: $10B ÷ $150B = 6.Consider this: 67% ROCE: $9. 6B ÷ $120B = 8 Not complicated — just consistent..
Now you're looking at a 133 basis point difference. Also, it changes cost of equity estimates. That changes peer comparisons. It changes whether you think management is creating value Worth knowing..
And here's the kicker — preferred dividends are often cumulative. If a company suspends them, they accumulate. So even in years when preferred dividends aren't paid, you should still subtract them from net income for ROCE purposes. The obligation doesn't vanish. The economic claim exists regardless of cash timing The details matter here..
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. Bottom line. GAAP net income. In real terms, not adjusted. Not "core." Not EBITDA. Net income attributable to the consolidated entity That's the whole idea..
If the company reports "net income attributable to common shareholders" — use that directly. Skip step 2 It's one of those things that adds up..
Step 2: Subtract Preferred Dividends
Check the income statement or statement of shareholders' equity. On top of that, 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 Not complicated — just consistent..
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 The details matter here..
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.
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
This is your denominator It's one of those things that adds up..
Step 4: Divide
ROCE = Numerator ÷ Denominator
Express as a percentage. Worth adding: compare to peers. That's why compare to cost of equity. Track over time That's the part that actually makes a difference..
A Note on Timing
Use average common equity for the period the net income was earned. If you're calculating Q3 ROCE, use average common equity for Q3. If annual, use annual average. Mixing annual net income with a single quarter's equity balance is a classic error It's one of those things that adds up..
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. Think about it: if a company did a massive share buyback in December, year-end equity is artificially low. Consider this: rOCE looks artificially high. Average equity smooths this Not complicated — just consistent. But it adds up..
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. 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. 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. A company can be highly profitable but generate poor returns if it carries too much equity on its balance sheet. 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 Easy to understand, harder to ignore. Which is the point..
Ignoring Seasonality and Cyclical Effects
Retailers, utilities, and construction companies all have seasonal balance sheets. Using simple beginning/end values or even quarterly averages can distort ROCE significantly. A clothing retailer's equity swells in January after the holiday season; a construction firm's equity fluctuates with project completion cycles. Look at multi-year trends, not single-period snapshots.
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 Small thing, real impact..
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?
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.
It's also invaluable for assessing management quality. Now, 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 Took long enough..
Final Thoughts
ROCE is deceptively simple but surprisingly nuanced. 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 That's the part that actually makes a difference..
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 That's the part that actually makes a difference..
