Lesson 05 — Long-term Investing & Compounding

Week 01 · Lesson 5 of 7 · Week 01 — Market Basics (India)

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Compounding is when your money earns returns, and then those returns also earn returns over time. "Compounding ka magic time se hota hai, excitement se nahi....

The core idea

Compounding is when your money earns returns, and then those returns also earn returns over time.

🗣️

"Compounding ka magic time se hota hai, excitement se nahi."

Real numbers: why time wins

If you invest ₹1 lakh at 15% annual return (a well-run Indian equity portfolio):

Years Value Total return
5 ₹2.0 L 100%
10 ₹4.0 L 300%
15 ₹8.1 L 710%
20 ₹16.4 L 1,540%
25 ₹32.9 L 3,190%

The last 5 years (Year 21–25) generate ₹16.5 L — more than the first 20 years combined.

Why long-term wins (behavior + business)

Long-term investing works best when:

  • You own quality businesses
  • You avoid big mistakes (wealth preservation)
  • You give time for business growth to reflect in price

Long-term investor rule

Focus on process: business model, financial health, governance, and patience.

What to look for in a company (compounding angle)

Signal Good for compounding Bad for compounding
ROE Consistently > 15% Volatile or declining
Reinvestment Company reinvests profits at high returns Pays out everything, no growth
Debt Low D/E, survives downturns Highly leveraged, fragile
Revenue CAGR (10yr) Steady 12%+ growth One-off spikes, no consistency
Promoter holding Stable, no pledging Declining or heavily pledged

Visual: compounding needs time

Start investing
Small gains early
Returns reinvested
Bigger base
Returns on returns
Compounding accelerates later
↻ Repeat every year — time does the heavy lifting.

On InvestingSamjho

Use the Screener with these beginner-friendly compounding filters:

  • ROE > 15%
  • Revenue growth > 10% (annual)
  • Debt-to-equity < 0.5

These filters surface companies with the ingredients for long-term compounding.

Key takeaway

Compounding is about TIME × RATE × REINVESTMENT. Even 12–15% annual returns become massive over 20+ years. Your time horizon is your biggest edge — don't waste it on short-term trades.