Most of the money permanently lost in the stock market is lost to debt. A great business can survive a bad year; a heavily indebted one may not, because its lenders do not wait. Before you value a company or judge its growth, you need to know whether it can survive a downturn at all — and that answer lives on the balance sheet. This guide walks through the four ratios that reveal financial safety, what "healthy" looks like for Indian companies, and the warning signs that appear long before a crisis does.
Why the balance sheet comes first
There is an order of operations in analysis that beginners often get backwards. The exciting numbers — growth, margins, intrinsic value — come second. The first question is more basic and more important:
Can this company survive a bad year without its lenders forcing its hand?
The reason is asymmetry. If a business is safe and merely grows slowly, you make a modest return. If a business is unsafe, a single recession, a spike in interest rates, or a delayed payment can wipe out the equity entirely — because debt has to be repaid on schedule regardless of how business is going, while equity does not. A brilliant growth story attached to a fragile balance sheet is not a great investment; it is a leveraged bet that the good times never pause.
The income statement tells you how a company performed. The balance sheet tells you whether it can withstand things going wrong. Read it first.
The four ratios that matter
You do not need to read every line of a balance sheet to judge financial safety. Four ratios do most of the work. Two measure how much the company owes; two measure whether it can keep paying.
1. Debt-to-equity — how much is borrowed
\[\text{Debt-to-Equity} = \frac{\text{Total Debt}}{\text{Shareholders' Equity}}\]
This is the most quoted leverage ratio: for every rupee the owners have put in, how many rupees has the company borrowed? A debt-to-equity of 0.4 means ₹40 of debt for every ₹100 of equity — conservative. A ratio of 2 means twice as much borrowed money as owners' money — aggressive, and only defensible if the cash flows are extremely stable.
| Debt-to-equity | Reading |
|---|---|
| Below 0.5 | Comfortable for most businesses |
| 0.5 – 1.0 | Manageable if earnings are stable |
| 1.0 – 2.0 | Elevated — scrutinise cash flows closely |
| Above 2.0 | High risk unless the sector is genuinely stable (utilities, infra) |
The catch is that debt-to-equity says nothing about whether the company can afford the debt — only how big it is relative to equity. A company can have a low ratio and still be in trouble if its profits are collapsing. For affordability, you need the next two.
2. Interest coverage — can it pay the interest?
\[\text{Interest Coverage} = \frac{\text{Operating Profit (EBIT)}}{\text{Interest Expense}}\]
This is often the single most useful safety ratio, because it measures the thing that actually matters day to day: how comfortably current profits cover the current interest bill. A coverage of 8 means operating profit is eight times the interest due — a thick cushion. A coverage of 1.5 means almost all the operating profit is going to lenders, leaving nothing for tax, reinvestment or shareholders, and no room at all for a bad quarter.
| Interest coverage | Reading |
|---|---|
| Above 5 | Strong — interest is easily covered |
| 2.5 – 5 | Adequate for a stable business |
| 1.5 – 2.5 | Thin — vulnerable to any earnings dip |
| Below 1.5 | Danger — profits barely cover interest |
Watch the trend more than the level. Interest coverage of 4 is fine; interest coverage that has fallen from 9 to 4 to 2 over three years is a business sliding toward trouble, and the direction is the signal.
3. Net debt to EBITDA — how many years to repay
\[\text{Net Debt / EBITDA} = \frac{\text{Total Debt} - \text{Cash}}{\text{EBITDA}}\]
This is the metric lenders and rating agencies watch most. It asks: if the company devoted all its operating cash profit to repayment, how many years would clearing the debt take? It nets out cash — because idle cash can repay debt — and uses EBITDA as a proxy for the cash available to service borrowings.
| Net debt / EBITDA | Reading |
|---|---|
| Below 2 | Healthy |
| 2 – 3 | Manageable for a stable business |
| 3 – 4 | Constrained — little room to manoeuvre |
| Above 4 | Dangerous if rates rise or earnings fall |
Net vs gross debt is a distinction worth internalising. A company with ₹5,000 crore of borrowings but ₹4,000 crore of cash has net debt of only ₹1,000 crore — far safer than the gross number suggests. Always net the cash off, but remember it assumes the cash is genuinely available and not trapped in a subsidiary or earmarked for something else.
4. Current ratio — can it meet the next twelve months?
\[\text{Current Ratio} = \frac{\text{Current Assets}}{\text{Current Liabilities}}\]
The three ratios above concern debt; this one concerns liquidity — whether the company has enough short-term assets (cash, receivables, inventory) to cover the bills falling due within a year. A current ratio above 1.5 is comfortable; around 1 is tight; below 1 means short-term obligations exceed short-term assets, and the company is relying on refinancing or new cash to bridge the gap. A structurally strong business with a current ratio below 1 is not automatically unsafe — some efficient retailers run that way deliberately — but it is a flag to understand rather than ignore.
A worked example
Two companies in the same industry, each earning ₹1,000 crore of EBITDA (₹ crore):
| Company A | Company B | |
|---|---|---|
| Total debt | 1,500 | 4,500 |
| Cash | 500 | 300 |
| Shareholders' equity | 5,000 | 2,000 |
| Operating profit (EBIT) | 800 | 750 |
| Interest expense | 120 | 520 |
Company A: debt-to-equity = 1,500 / 5,000 = 0.30; net debt/EBITDA = (1,500 − 500) / 1,000 = 1.0; interest coverage = 800 / 120 = 6.7×.
Company B: debt-to-equity = 4,500 / 2,000 = 2.25; net debt/EBITDA = (4,500 − 300) / 1,000 = 4.2; interest coverage = 750 / 520 = 1.4×.
The two run near-identical operations and earn almost the same operating profit. But Company A could lose a third of its profit and still comfortably service its debt, while Company B is already handing two-thirds of its operating profit to lenders and would breach on any meaningful downturn. If a recession cut EBIT by 30%, Company A's coverage falls to a still-safe 4.7×; Company B's falls to below 1.0 — it stops earning enough to pay its interest. Same business, wholly different survival odds. The difference is entirely the balance sheet.
The warning signs, before the crisis
Debt problems rarely arrive without notice. The pattern that precedes trouble is remarkably consistent, and it shows up in the numbers a year or two before a credit downgrade or a default:
- Debt rising faster than profits. Borrowings up 25% while EBITDA is flat means each new rupee of debt is buying less and less.
- Interest coverage trending down. Even from a comfortable level, a steady decline signals the cushion is thinning.
- A wall of short-term maturities. A rising share of debt due within twelve months means the company must keep refinancing — and refinancing is exactly what dries up in a crisis.
- Operating cash flow no longer covering interest. When the free cash flow the business generates cannot cover its interest bill, it is borrowing to pay its lenders — the beginning of the end.
- Rising debt alongside falling free cash flow. The single most reliable early warning. It means the borrowing is funding losses or working capital, not productive investment.
By the time a rating agency downgrades a company, the balance sheet has usually been telling the story for a year. The warning is in the ratios long before it is in the headlines.
How debt changes a valuation
Financial safety is not just a survival question — it feeds directly into what a company is worth. Debt affects a valuation in three ways:
- It raises the discount rate. A riskier balance sheet means a higher cost of capital, which lowers the present value of every future cash flow in a DCF.
- It sits between enterprise value and equity value. When you value the whole firm, you subtract net debt to reach what the shareholders own — so more debt means less equity value from the same operating business, the exact adjustment behind EV/EBITDA.
- It widens the range of outcomes. Leverage amplifies both gains and losses, so a levered company deserves a larger margin of safety — a bigger discount to fair value — before it is worth buying.
A cheap-looking stock with a dangerous balance sheet is often cheap for a reason: the market is pricing the risk that the equity gets wiped out. A conservative balance sheet, by contrast, is a quiet source of value — it is what lets a good business keep compounding through the cycles that force its rivals to retrench.
The bottom line
Before you get excited about growth or run a valuation, spend five minutes on four ratios: debt-to-equity for the size of the borrowing, interest coverage and net debt to EBITDA for whether the company can afford it, and the current ratio for the next twelve months. If those four are sound, you can value the business on its merits. If they are not, no growth rate is high enough to make a fragile balance sheet safe.
FairStocks reads the full balance sheet for any listed Indian company straight from its filed accounts — debt-to-equity, interest coverage, net debt to EBITDA and the liquidity ratios — and folds the financial risk directly into the discount rate and the valuation, so the number you see already reflects how safe, or fragile, the business underneath it really is.