
Important ratios to lookout for while investing in a company...(In Detail)
Financial ratios explained...
STOCK MARKET


When investing in stocks, price alone doesn’t tell the full story. Financial ratios help investors understand a company’s profitability, stability, efficiency, and valuation. They act like a health check-up for a business and protect investors from making emotional or speculative decisions.
Below are the most important ratios every investor should know and why they matter.
1. Price-to-Earnings (P/E) Ratio
What it shows: How much investors are paying for ₹1 of company earnings.
Why it matters:
A high P/E may indicate high growth expectations or overvaluation
A low P/E may suggest undervaluation or business risk
Best use:
Compare P/E with:
Industry peers
Company’s own historical P/E
2. Price-to-Book (P/B) Ratio
What it shows: Market value compared to company’s net worth.
Why it matters:
Useful for banks, NBFCs, and asset-heavy companies
A P/B below 1 may signal undervaluation (or hidden problems)
3. Return on Equity (ROE)
What it shows: How efficiently the company uses shareholders’ money.
Why it matters:
ROE above 15% is generally considered strong
Consistently high ROE indicates a quality business
Caution:
Very high ROE due to excessive debt can be misleading.
4. Return on Capital Employed (ROCE)
What it shows: Efficiency in using total capital (equity + debt).
Why it matters:
Best ratio to judge business quality
ROCE higher than cost of capital = value creation
5. Debt-to-Equity Ratio
What it shows: How much debt a company uses relative to equity.
Why it matters:
Low debt = financial safety
High debt increases risk during economic slowdowns
Ideal range:
Manufacturing: < 1
Banks/NBFCs: Compare with peers
6. Earnings Per Share (EPS) Growth
What it shows: Growth in profit allocated to each share.
Why it matters:
Rising EPS = improving profitability
Consistent growth is more important than one-time spikes
7. Operating Profit Margin (OPM)
What it shows: Core business profitability.
Why it matters:
Higher margins = pricing power
Stable margins indicate a strong business model
8. Free Cash Flow (FCF)
What it shows: Cash left after operating and capital expenses.
Why it matters:
Profits can be manipulated, cash cannot
Positive and growing FCF shows financial strength
9. Dividend Payout Ratio
What it shows: Percentage of profits paid as dividends.
Why it matters:
High payout suits income investors
Lower payout with growth is better for expanding companies
10. PEG Ratio (P/E to Growth)
What it shows: Valuation adjusted for earnings growth.
Why it matters:
PEG < 1 often indicates undervaluation
Helps judge whether a high P/E is justified
How to Use Ratios the Right Way
Never rely on a single ratio
Compare with industry averages
Look at 5–10 years of historical data
Combine ratios with business understanding and management quality
Common Mistakes to Avoid
Buying stocks only because P/E is low
Ignoring debt while focusing on profits
Comparing ratios across different industries
Final Thoughts
Financial ratios don’t predict stock prices, but they reduce risk and improve decision-making. A good investment usually shows:
Consistent profitability
Strong returns on capital
Manageable debt
Reasonable valuation
Ratios help you avoid bad businesses—and sometimes, that’s more important than finding the perfect stock.
