10 Key Profitability Ratios for Stock Analysis

published on 15 September 2024

Profitability ratios are essential tools for evaluating a company's financial health. Here's what you need to know:

  • They measure how well a company generates profit from operations, assets, and investments
  • Useful for comparing performance against competitors and industry benchmarks
  • Help spot financial trends over time

The 10 key profitability ratios covered:

  1. Gross Profit Margin
  2. Operating Profit Margin
  3. Net Profit Margin
  4. Return on Assets (ROA)
  5. Return on Equity (ROE)
  6. Return on Invested Capital (ROIC)
  7. Earnings Per Share (EPS)
  8. Price-to-Earnings (P/E) Ratio
  9. EBITDA Margin
  10. Cash Return on Capital Invested (CROCI)

Quick Comparison:

Ratio What It Measures Formula
Gross Profit Margin Profitability after production costs (Revenue - COGS) / Revenue
Net Profit Margin Overall profitability Net Income / Revenue
ROA Asset efficiency Net Income / Total Assets
ROE Shareholder return Net Income / Shareholder Equity
P/E Ratio Stock price relative to earnings Share Price / EPS

Remember:

  • Compare ratios to industry averages and company history
  • Use multiple ratios for a complete picture
  • Consider other factors like market conditions and company strategy

Profitability ratios are just one piece of the puzzle in stock analysis. Use them wisely as part of a broader investment strategy.

What are profitability ratios?

Profitability ratios show how well a company makes money. They're like a report card for a business's ability to turn sales, assets, and investments into profit.

These ratios come in two main flavors:

  1. Margin ratios: How good is the company at turning sales into profit?
  2. Return ratios: How much profit is the company making for its investors?

Here's a quick look at some key profitability ratios:

Type Examples What They Show
Margin Gross Profit Margin, Operating Profit Margin, Net Profit Margin Sales to profit efficiency
Return Return on Assets (ROA), Return on Equity (ROE) Investor return efficiency

Let's see this in action:

In 2023, Target's net profit margin was 6.64%, while Costco's was 3.41%. This means Target kept $6.64 as profit for every $100 in sales, compared to Costco's $3.41. This difference might point to different pricing strategies or business models.

Profitability ratios are most useful when you:

  • Compare them to the company's past performance
  • Look at them alongside other financial metrics
  • Stack them up against industry standards

By keeping an eye on these ratios, companies can:

  • Spot areas that need work
  • Get investors interested
  • Snag better loan deals

It's like a financial health check-up for businesses.

Why profitability ratios matter

Profitability ratios are crucial for investors, analysts, and business owners. They're like a financial health check-up for companies. Here's why they're a big deal:

1. Performance evaluation

These ratios show how good a company is at turning sales into profits. For example:

  • A 40% gross profit margin? The company keeps 40 cents as gross profit for every dollar of revenue.
  • A 15% net profit margin? That's 15 cents of net profit per dollar of revenue.

These numbers help you compare a company's performance over time and against its competitors.

2. Investment decisions

Investors use these ratios to spot good opportunities. Check out these two companies:

Ratio Company A Company B
Gross Profit Margin 40% 35%
Net Profit Margin 15% 12%
Return on Assets (ROA) 10% 8%
Return on Equity (ROE) 20% 18%

Company A looks better across the board. It's likely the more attractive investment.

3. Efficiency insights

These ratios show how well a company uses its resources. Take Return on Assets (ROA). An ROA of 10% means the company generates 10 cents of net income for every dollar of assets. Not bad!

4. Trend spotting

Track these ratios over time, and you'll see trends. Declining ratios? Could be trouble. Improving ratios? Might signal good management and growth potential.

5. Industry comparisons

Profitability ratios let you compare companies in the same industry. It's a great way to spot the overachievers and understand why they're winning.

In short, profitability ratios are your financial crystal ball. They help you see how well a company is doing now and hint at what might be coming down the road.

Gross Profit Margin

Gross profit margin (GPM) shows how much cash a company keeps after paying for its goods or services. It's a quick way to check a company's financial health.

Here's the formula:

Gross Profit Margin = (Revenue - Cost of Goods Sold) / Revenue x 100

Let's look at Apple's 2021 GPM: 37.6%. This means Apple kept 37.6 cents for every dollar of revenue after paying for its products.

How does this compare to other big names?

Company Gross Profit Margin (2021)
Amazon 41.9%
Walmart 24.9%
Nike 44.5%
Costco 14.7%

These numbers show that GPM varies by industry. Costco's low margin? It's part of their strategy to sell products cheap and make money on memberships.

Why should investors care about GPM?

1. It shows how well a company manages costs and prices.

2. You can compare companies in the same industry.

3. Tracking GPM over time reveals trends.

4. Changes in GPM can flag potential issues.

But GPM isn't perfect. It doesn't include things like marketing or admin costs. That's why smart investors use it with other ratios.

When using GPM in your stock analysis:

  • Compare it to industry averages
  • Look for steady or improving GPM
  • Watch out for consistently falling GPM
  • Use it alongside other profitability ratios

Just remember: a "good" GPM depends on the industry. A software company might have a 60-70% GPM, while a grocery store's would be much lower.

2. Operating Profit Margin

Operating Profit Margin (OPM) shows how much a company makes from its main business. Investors use it to check a company's efficiency and profitability.

Here's how to calculate it:

Operating Profit Margin = (Operating Profit / Revenue) x 100

Let's look at Apple's 2021 numbers:

  • Revenue: $365.82 billion
  • Operating Profit: $108.95 billion

Apple's OPM:

($108.95 billion / $365.82 billion) x 100 = 29.78%

This means Apple kept about 30 cents as profit for every dollar of revenue.

How does Apple compare to other tech giants?

Company Operating Profit Margin (2021)
Apple 29.78%
Microsoft 41.59%
Google 30.56%
Amazon 5.32%

These numbers show big differences in how tech companies run. Microsoft leads, while Amazon's low margin reflects its retail focus.

Why OPM matters:

  1. Shows cost management
  2. Helps compare companies
  3. Signals efficiency changes

When using OPM:

  • Check trends over years
  • Compare to industry averages
  • Use with other profitability ratios

A "good" OPM varies by industry. Software companies often have high margins, retailers lower ones.

To boost OPM, companies can:

  • Sell more without raising costs
  • Cut expenses
  • Raise prices (if possible)

Coca-Cola's OPM went from 27.3% in 2020 to 28.84% in 2021, showing good cost management and pricing power.

OPM is useful, but it's just one piece of the puzzle when analyzing stocks.

3. Net Profit Margin

Net Profit Margin (NPM) shows how much profit a company keeps from its revenue. It's a key indicator of financial health.

Here's the formula:

Net Profit Margin = (Net Income / Revenue) x 100

Let's crunch Apple's Q2 2023 numbers:

  • Revenue: $90.8 billion
  • Net Income: $23.6 billion

Apple's NPM: ($23.6 billion / $90.8 billion) x 100 = 26.0%

So, Apple kept 26 cents as profit for every dollar of revenue.

How does Apple compare to other tech giants?

Company Net Profit Margin (Q2 2023)
Apple 26.0%
Microsoft 33.7%
Google 22.5%
Amazon 3.2%

These numbers reveal big differences in profitability. Microsoft leads the pack, while Amazon's low margin reflects its retail focus.

Why NPM matters:

  1. Shows overall profitability
  2. Helps compare companies
  3. Indicates pricing power and cost control

Tips for using NPM:

  • Track trends over time
  • Compare to industry averages
  • Use with other ratios

What's a "good" NPM? It depends on the industry. Software companies often have high margins, retailers usually have lower ones.

To boost NPM, companies can:

  • Increase sales without raising costs
  • Cut expenses
  • Raise prices (if possible)

Take Reliance Industries, an Indian conglomerate. Its 8.5% NPM in 2022 means it kept ₹8.50 as profit for every ₹100 in revenue.

4. Return on Assets (ROA)

ROA shows how well a company turns assets into profits. It's a quick way to check a company's efficiency.

Here's the formula:

ROA = (Net Income / Total Assets) x 100

Let's crunch the numbers for Nike in 2021:

  • Net income: $5.7 billion
  • Average total assets: $34.5 billion

Nike's ROA = ($5.7 billion / $34.5 billion) x 100 = 16.5%

In other words, Nike made $16.50 for every $100 of assets in 2021.

How does this stack up? Let's compare:

Company ROA (2021)
Nike 16.5%
Apple 27.8%
Walmart 5.6%
Tesla 5.4%

ROA varies by industry. Apple's killing it. Walmart and Tesla? Lower, but that's normal for retail and manufacturing.

When using ROA:

  • Stick to comparing companies in the same industry
  • Look for trends over time
  • Don't use it alone - mix it with other ratios

Rising ROA? Good sign. Falling? The company might be asset-heavy compared to profits.

What's a good ROA? It depends, but generally:

  • 5%+ is solid
  • 20%+ is awesome

5. Return on Equity (ROE)

Return on Equity (ROE) tells you how well a company uses shareholders' money to make profits. It's a key metric investors use to gauge management's effectiveness.

Here's the ROE formula:

ROE = (Net Income / Shareholders' Equity) x 100

Let's crunch the numbers for Procter & Gamble (PG) in Q3 2023:

  • Net income: $3.42 billion
  • Shareholders' equity: $45.42 billion

P&G's ROE = ($3.42 billion / $45.42 billion) x 100 = 7.53%

In other words, P&G generated $7.53 for every $100 of shareholder equity.

How does P&G stack up? Let's compare:

Company ROE (Q3 2023) Industry Average
P&G 7.53% 24.64%
Bank of America 11.2% 13.57%
S&P 500 19.94% N/A

P&G's ROE lags behind its industry average. This might raise eyebrows about its efficiency.

When using ROE:

  1. Compare within the same industry
  2. Look at trends over time
  3. Check debt levels (high debt can inflate ROE)

What's a good ROE? It varies by industry:

  • Utilities: About 10%
  • Tech firms: Around 18%
  • Overall: 15-20% is often considered solid
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6. Return on Invested Capital (ROIC)

ROIC shows how well a company uses its money to make profits. It's a big deal for investors.

Here's the formula:

ROIC = Net Operating Profit After Tax (NOPAT) / Invested Capital

Where:

  • NOPAT = EBIT * (1 - Tax Rate)
  • Invested Capital = Total Assets - Cash - Short-Term Investments - Non-Interest Bearing Current Liabilities

Why care about ROIC? It's simple: high ROIC = good, low ROIC = not so good.

Check out this example:

Company ROIC What it means
Company A 20% Needs to reinvest 25% of profits for 5% growth
Company B 10% Must reinvest 50% of profits for 5% growth

Company A is killing it. They can grow faster or give more cash back to shareholders.

Some ROIC facts:

  • Public companies average about 10%
  • Above 2%? Creating value
  • Below 2%? Destroying value

ROIC shines when comparing companies in industries that need lots of cash, like oil and gas or semiconductors.

When you're looking at ROIC:

  1. Check the trend
  2. Compare to similar companies
  3. Look at other metrics too

But here's the thing: high ROIC isn't everything. A company still needs room to grow.

"Since high ROIC businesses generate more distributable cash per dollar of earnings, their earnings are worth more and thus are assigned higher valuations (PE ratios)." - Ensemble Capital Management

Bottom line: ROIC helps you find quality investments. Use it smart, and you'll spot companies that turn money into more money.

7. Earnings Per Share (EPS)

EPS shows how much profit a company makes per share. It's a quick way to check profitability.

Here's the formula:

EPS = (Net Income - Preferred Dividends) / Weighted Average Shares Outstanding

Let's use Company XYZ as an example:

  • Net income: $10 million
  • Preferred dividends: $1 million
  • Weighted average shares: 5 million

XYZ's EPS:

($10 million - $1 million) / 5 million = $1.80 per share

Each XYZ share represents $1.80 in profit.

Why care about EPS? It helps compare companies. Higher EPS often means more profitable.

Check out this comparison:

Company Net Income Preferred Dividends Weighted Shares EPS
A $7.6B $0 3.98B $1.91
B $18.23B $1.61B 10.2B $1.63
C $1.67B $0 0.541B $3.09

Company C looks best with the highest EPS.

But watch out. EPS isn't everything. It doesn't show:

  • Share price
  • Company debt
  • Cash flow

Companies can boost EPS through stock buybacks, reducing outstanding shares.

Using EPS effectively:

  1. Compare within the same industry
  2. Look at trends over time
  3. Pair with other metrics like P/E ratio

EPS comes in two types:

  • Basic EPS: What we've covered
  • Diluted EPS: Includes potential shares from options and convertibles

EPS is useful, but it's just one tool. Use it as part of your overall stock analysis.

8. Price-to-Earnings (P/E) Ratio

The P/E ratio is your go-to tool for comparing stock prices to earnings. It's simple: how much are you paying for each dollar of profit?

Here's the formula:

P/E Ratio = Share Price ÷ Earnings Per Share (EPS)

Let's crunch some numbers:

Company Share Price EPS P/E Ratio
FedEx (FDX) $242.62 $16.85 14.40
Hess (HES) $142.07 $4.49 31.64
Marathon (MPC) $169.97 $23.64 7.195

What's this mean? For FedEx, you're shelling out $14.40 for every $1 of earnings. Hess? $31.64. Marathon? Just $7.195.

Lower P/E = better value, right? Not so fast. Here's the catch:

  1. Industry matters. Compare apples to apples.
  2. Growth expectations can jack up P/E.
  3. Market conditions shift the goalposts.

As of April 2024, the S&P 500's P/E was 26.26. Use this as your yardstick.

Pro tip: Don't just look at P/E in isolation. Track trends, compare with peers, and mix in other metrics. It's part of the puzzle, not the whole picture.

9. EBITDA Margin

EBITDA margin shows how much a company earns before interest, taxes, depreciation, and amortization. It's simple:

EBITDA Margin = EBITDA / Total Revenue

Let's look at an example:

Company EBITDA Total Revenue EBITDA Margin
Godrej Industries Rs. 50,64,000 Rs. 111,371,000 4.55%

Godrej Industries keeps 4.55% of its revenue as profit before non-operational costs.

Why use it? EBITDA margin helps you compare companies, check efficiency, and see cash flow clearer.

But heads up: It's not GAAP-recognized, so numbers can be tweaked.

"EBITDA margin is the most fundamental insight of the business. It tracks your performance and gives you clarity on how the business is doing and how you compare month-to-month and year-to-year." - Ollie Gold, CEO of Popham's Bakery

Aim for 10% or higher, but it varies by industry. Popham's Bakery targets 15% to 25%.

Remember: EBITDA margin is just one tool. Use other ratios too for a complete financial picture.

10. Cash Return on Capital Invested (CROCI)

CROCI is a profitability ratio that shows how well a company turns invested capital into cash flow. It's different from other ratios because it looks at cash flow, not accounting profits. This gives investors a clearer picture of how a company is really doing.

Here's the CROCI formula:

CROCI = Cash Return / Invested Capital

Cash Return = Operating Profit + Depreciation + Amortization - Taxes Invested Capital = Total Equity + Short-term Debt + Long-term Debt + Leases

Let's see CROCI in action with Company A:

Company A Values
Net Income $200,000
Interest Expense $8,000
Taxes $20,000
Depreciation & Amortization $15,000
Short-term Debt $65,000
Long-term Debt $300,000
Capital Lease Obligations $80,000
Total Shareholders' Equity $850,000

Crunching the numbers:

  1. Cash Return (EBITDA) = $243,000
  2. Invested Capital = $1,295,000
  3. CROCI = 18.76%

So, Company A gets an 18.76% cash return on its invested capital.

CROCI is great for:

  • Comparing companies across industries
  • Finding undervalued or overvalued stocks
  • Seeing how well management uses capital

When using CROCI:

  • Higher is better
  • Look at 3-5 years to spot trends
  • Use it with other metrics for the full picture

CROCI really shines when comparing companies in the same industry. Check out this energy sector example:

Year CROCI ROCE
2006 17% 18%
2020 5% -10%

See how CROCI gives a more stable view than Return on Capital Employed (ROCE), especially when the economy's down?

How to read profitability ratios

Reading profitability ratios isn't just about the numbers. It's about understanding what they mean for a company's financial health. Here's how to get the most out of these ratios:

1. Compare to industry benchmarks

Profitability ratios mean little on their own. Always compare them to industry averages:

Company Net Profit Margin Industry Average
P&G 15.2% 12.8%
SB&D 8.7% 12.8%

P&G is outperforming the industry, while SB&D is lagging.

2. Look at trends over time

Don't focus on a single point. Analyze how ratios change over years to spot trends. A company with improving ratios might be a better bet than one with higher but declining ratios.

3. Use multiple ratios together

No single ratio tells the whole story. Use a combination for a complete picture. Combine gross profit margin, operating profit margin, and net profit margin to understand profitability at different stages.

4. Consider the business context

Ratios vary between industries. A tech company might have high profit margins but low asset turnover. A supermarket chain could be the opposite. Understanding the business model is key.

5. Factor in economic conditions

Economic cycles impact profitability ratios. During a recession, even well-managed companies might see declines. Consider the broader economic context when analyzing trends.

6. Be wary of outliers

If a ratio seems too good to be true, it might be. Investigate unusually high or low ratios. They could indicate exceptional performance or flag potential accounting issues.

7. Use ratios as a starting point

Profitability ratios are a tool, not the end goal. Use them to identify areas for further investigation. A low return on equity might prompt you to dig into a company's debt levels or operational efficiency.

Profitability ratios are just one piece of the puzzle. They should be part of a broader analysis that includes qualitative factors like management quality, competitive advantage, and industry trends.

"Financial ratios are most meaningful when compared against industry benchmarks or competitors, providing context for performance evaluation." - Financial Analysis Expert

Drawbacks of profitability ratios

Profitability ratios are handy for stock analysis, but they're not perfect. Here's what you need to watch out for:

1. Historical data limitations

These ratios look backward, not forward. A company might have great profit margins now, but that doesn't guarantee future success. Markets change, and so can a company's fortunes.

2. Accounting policy differences

Companies use different accounting methods. This can make comparing apples to oranges. For example:

Company A and B might have similar businesses. But if they use different depreciation methods, their ratios could look very different.

3. Industry-specific considerations

Comparing across industries? Be careful. Look at this:

Company Net Profit Margin Industry
IBM 8.2% Tech
Starbucks 14.3% Food & Beverage

These numbers mean different things in their respective industries.

4. Short-term focus

These ratios often highlight short-term performance. They might miss long-term strategies that could pay off big later.

5. Manipulation potential

Some companies can game the system. For instance, they might buy back shares to boost their return on equity (ROE). It looks good on paper, but doesn't always create real value.

6. Incomplete picture

Numbers don't tell the whole story. What about brand strength? Market position? Innovation? These matter too, but ratios don't capture them.

7. Seasonal effects

Some businesses have big seasonal swings. Their ratios might look great (or terrible) depending on when you measure them.

8. Inflation impact

High inflation can skew these ratios. They might not reflect a company's true financial health in such environments.

How to deal with these issues? Here's the game plan:

  • Use multiple ratios together
  • Compare within industries and over time
  • Look at both numbers AND qualitative factors
  • Stay alert for potential number-fudging

Wrap-up

Profitability ratios are crucial for stock analysis. They help you understand a company's financial health and how well it operates. Here's a quick rundown on why they matter and how to use them:

1. They cover different areas

Profitability ratios show you various parts of a company's performance:

Ratio Type What It Shows Examples
Margin Ratios How well sales turn into profits Gross Profit Margin, Net Profit Margin
Return Ratios How well the company rewards investors ROA, ROE, ROIC

2. You can compare things

Use these ratios to see how a company stacks up:

  • Against its own past performance
  • Against its competitors
  • Against the industry average

3. Keep an eye on them

Watch these ratios over time. It helps you spot trends and potential problems early.

4. Use more than one

Don't just look at one ratio. Use a mix to get a better picture.

5. Remember the context

Think about what's normal for the industry and what's specific to the company when you're looking at these numbers.

6. Look beyond the numbers

Ratios are great, but they're not everything. Don't forget about things like the company's place in the market and how strong its brand is.

7. Get help if you need it

If you're new to this, it might be worth talking to a financial expert. They can help you understand what these ratios really mean.

FAQs

Why would an investor use profitability ratios?

Investors use profitability ratios to get a quick snapshot of a company's financial health. These ratios help them:

  • See how well a company turns sales into profits
  • Compare different companies or industries
  • Make smarter investment choices

Here's a quick breakdown:

Ratio Type What It Tells You Examples
Margin How much profit from sales Gross Profit Margin, Net Profit Margin
Return How well investments pay off ROA, ROE, ROIC

Let's look at a real-world example: In 2021, Target's net profit margin was 6.64%, while Costco's was 3.41%. This means Target kept more of its sales as profit than Costco did.

What are the best profitability ratios?

There's no one-size-fits-all answer, but here are some good benchmarks:

  • Operating Profit Margin: Aim for above 1.5% (2% is average)
  • Net Profit Margin: Around 5% is solid

But don't just look at these numbers in a vacuum. It's better to compare a company's ratios to:

  1. Its own past performance
  2. Its direct competitors
  3. The industry average

And remember, using multiple ratios gives you a fuller picture of a company's financial health. Don't rely on just one number to tell the whole story.

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