Learn debt-to-equity and interest coverage
2.5.7· Stock-Market › Financial Ratios
Overview
Ye do ratios reveal karte hain ki ek company kitna borrowed money use karti hai aur kya woh us debt ka interest safely pay kar sakti hai. Ye solvency risk assess karne ke liye critical hain: kya ye company ek downturn mein survive kar sakti hai, ya debt obligations ise crush kar denge?

Why These Ratios Matter
Key Questions Jin Ka Ye Jawab Dete Hain:
- D/E Ratio: Company kitni aggressively debt use kar ke grow kar rahi hai?
- Interest Coverage: Agar revenue drop ho, toh default hone se pehle kitne quarters tak interest pay kar sakti hai?
Aap ek investor ke taur par kyun care karte hain:
- High leverage equity holders ke liye dono gains aur losses ko amplify karta hai
- Jo company debt service nahi kar sakti woh bankruptcy face karti hai → shareholders wipe out ho jaate hain
- Alag alag industries ke "safe" levels alag hote hain (utilities high D/E handle kar sakti hain; tech startups nahi kar saktinh)
Debt-to-Equity Ratio (D/E)
Components:
- Total Debt: Saare interest-bearing obligations (short-term + long-term debt, bonds, loans). Non-interest liabilities jaise accounts payable exclude hote hain.
- Shareholders' Equity: Assets minus liabilities (book value). Balance sheet se:
Total Assets - Total Liabilities.
Deriving the Meaning from First Principles
Balance Sheet Identity se shuru karo:
Rearrange karo:
Ab, liabilities ko debt (interest-bearing) aur other liabilities mein split karo:
D/E ratio debt ko equity se compare karta hai:
Ye ratio kyun? Equity owners ka claim represent karti hai—saare debts ke baad jo bachta hai. Ratio batata hai: har $1 ke liye jo owners ne lagaya hai (ya retain kiya hai), lenders se kitne dollars borrow kiye gaye hain?
Interpretation:
- D/E = 0.5: Har 0.50 debt hai → capital ka 33% debt hai
- D/E = 1.0: Equal debt aur equity → 50% debt
- D/E = 2.0: Equity se do guna debt → 67% debt
% Debt ka Formula:
Calculation:
Ye step kyun? Hum borrowed capital ko owned capital se compare kar rahe hain.
Interpretation: Har 0.25 debt hai. Ye ek low-leverage company hai—owners 80% assets fund karte hain. Downturns mein safer, lekin growth slower (deploy karne ke liye kam capital).
Debt %:
Calculation:
Ye step kyun? Same ratio, lekin ab debt equity se double hai.
Interpretation: Har 2 borrow kiya gaya hai. High leverage—67% debt. Agar revenue drop ho, interest obligations profits ko consume kar sakti hain. Risky hai, lekin agar sales boom karein, toh equity holders disproportionately gain karte hain (woh kam paise lagakar zyada assets control karte hain).
Debt %:
Mistake 2: Industry norms ignore karna. D/E = 1.5 ek software company ke liye dangerous hai lekin ek utility ke liye normal.
- Ye sahi kyun lagta hai: Aap ek universal "safe" number chahte ho.
- Fix: Capital-intensive industries (telecom, utilities) ke paas stable cash flows hain → high debt handle kar sakti hain. Asset-light businesses (tech) downturns mein high interest afford nahi kar saktinh.
Mistake 3: Book equity use karna jab woh negative ho (losses pile up ho gayi hain).
- Fix: Agar equity negative hai, toh D/E meaningless hai. Uski jagah Debt/EBITDA ya Debt/Assets dekho.
Interest Coverage Ratio
Components:
- EBIT (Earnings Before Interest and Taxes): Operating profit. Income statement se:
Revenue - COGS - Operating Expenses. - Interest Expense: Debt par annual interest payments. Income statement mein milta hai.
Ye kya measure karta hai: Company apna interest bill operating profit se kitni baar pay kar sakti hai?
Deriving from First Principles
Income Statement Flow se shuru karo:
Interest pay karne ke baad:
Interest Coverage answer karta hai: Agar operating profit drop ho, toh interest pay karne se pehle kitna cushion hai?
EBIT kyun? Kyunki interest taxes se pehle pay kiya jaata hai. Hum dekhna chahte hain ki kya operations akele debt service cover kar sakti hain, tax strategy se independent.
Interpretation:
- Coverage = 1.0: EBIT exactly interest ke barabar hai → error ke liye zero margin
- Coverage = 5.0: EBIT interest ka 5× hai → company 80% profit drop survive kar sakti hai aur phir bhi interest pay kar sakti hai
- Coverage < 1.0: Interest pay karne ke liye enough nahi kama rahi → cash burn ya refinancing
Rule of Thumb: Coverage ≥ 2.5 generally safe hai; < 1.5 ek red flag hai.
Calculation:
Ye step kyun? Hum test kar rahe hain ki interest bill ke kitne multiples operations se cover hote hain.
Interpretation: EBIT interest ka 5× hai. Agar EBIT 60% bhi drop ho jaaye, company phir bhi interest pay kar sakti hai. Low default risk.
Calculation:
Ye step kyun? Coverage barely 1 se upar hai—danger zone.
Interpretation: Operating profit sirf just interest cover karta hai. 7% EBIT drop → interest pay nahi kar sakte → potential default. High solvency risk. Investors higher returns maangte hain (ya bhag jaate hain).
Mistake 2: EBIT mein non-cash charges (depreciation) ignore karna.
- Ye kyun matter karta hai: Ek company jisme huge depreciation hai uska EBIT = 100M. Cash-based view ke liye EBITDA/Interest use karo.
- Fix: Capital-heavy businesses ke liye, EBIT aur EBITDA dono coverage check karo.
Mistake 3: Coverage = 3 ko har jagah "safe" maanna.
- Fix: Cyclical industries (autos, steel) ko higher coverage chahiye (≥ 4) kyunki EBIT wildly swing karta hai. Stable industries (utilities) 2-3 par safely operate kar sakti hain.
Combining D/E and Interest Coverage
Scenario Matrix:
| D/E | Coverage | Interpretation | |------|-----------------------------------------| | Low | High | Conservative & Safe (underlevered?) | | Low | Low | Weak operations (debt issue nahi hai) | | High | High | Aggressive but viable (calculated risk) | | High | Low | Distressed (bankruptcy candidate) |
Example: D/E = 2.5 aur coverage = 4 wali utility fine hai (stable cash). D/E = 2.5 aur coverage = 1.2 wala restaurant trouble mein hai (cyclical revenue).
Interest Coverage:
Analysis:
- D/E = 1.8: 64% debt—high leverage
- Coverage = 2.5: EBIT interest 2.5× cover karta hai—acceptable, lekin bahut bada cushion nahi
Verdict: Manageable hai agar EBIT stable rahe. EBIT trends watch karo: agar drop ho raha hai, toh ye jaldi risky ban jaata hai. Agar EBIT grow kare, toh leverage equity holders ke liye payoff karta hai.
Industry Context
Hamesha peers se compare karo, absolute thresholds se nahi.
Active Recall Drills
Recall 12-Saal ke Bachche Ko Explain Karo (Feynman)
Imagine karo tum aur tumhara dost ek lemonade stand shuru karte ho. Tum 10 laata hai, toh total $20 ho jaata hai. Ye tumhari "equity" hai—woh paisa jo tum khud own karte ho.
Ab, tum apne parents se fancy cart khareedne ke liye 30 ÷ 1.50 borrow kiya.
Har hafte, tumhare parents tumse 15 profit kamate ho. Tumhara interest coverage hai 3 = 5. Tum interest mein jo dena hai uska 5× kamate ho—kaafi cushion hai! Lekin agar profit $4 pe aa jaaye, toh coverage 1.3 ho jaata hai—tight! Ek bura hafte aur tum unhe pay nahi kar sakte.
Debt-to-equity = tumne kitna borrow kiya vs. khud ke paas hai. Interest coverage = borrowing cost kitni aasani se pay kar sakte ho.
Visual: Ek seesaw imagine karo: Debt ek side par, Equity doosri side par. Balanced seesaw = D/E = 1. Debt ki taraf jhuka = risky. Interest Coverage woh safety net hai seesaw ke neeche—kitna jhuk sakta hai gir jaane se pehle?
Connections
- Liquidity Ratios – D/E solvency hai (long-term); current ratio liquidity hai (short-term)
- Return on Equity (ROE) – High D/E ROE ko amplify karta hai (better ya worse ke liye)
- EBIT vs EBITDA – Interest coverage ke liye kaunsa use karna hai ye samjho
- DuPont Analysis – Leverage ROE breakdown ka ek leg hai
- Credit Ratings – Agencies bond ratings set karne ke liye ye ratios use karti hain
- Bankruptcy Prediction – Altman Z-Score D/E incorporate karta hai
- Capital Structure – Ek company ke liye debt/equity ka optimal mix
Summary Checklist
- Balance sheet se D/E calculate kar sakte hain
- D/E industry context interpret kar sakte hain (is sector ke liye kya normal hai?)
- Income statement se Interest Coverage calculate kar sakte hain
- Samajhte hain ki EBIT kyun use hota hai (Net Income nahi)
- Dangerous combinations spot kar sakte hain (high D/E + low coverage)
- Jaante hain ki coverage ke liye EBIT ki jagah EBITDA kab use karna hai
#flashcards/stock-market
Debt-to-Equity Ratio kya measure karta hai? :: Company kitna borrowed capital (debt) use karti hai relative to owner capital (equity). Formula: Total Debt ÷ Shareholders' Equity.