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Finance

Worst-Case Scenario Calculator

Plans break when reality is worse than your spreadsheet. Set your expected return and inflation, then watch the best/expected/worst envelope unfold — adjusted to today's rupees so you can see what your money actually buys, not just the headline number.

5,00,000
20,000
20yrs
yrs
12%
%
6%
%
3±%
±%

How far the worst-case shifts return ↓ and inflation ↑

Real value at year 20

Worst

₹29,01,309

Expected

₹77,34,661

Best

₹2,13,17,828

Total invested

₹53,00,000

Worst-case shortfall

62.5%

below expected (real)

Nominal range

₹1,62,60,126 → ₹3,85,02,368

Numbers are inflation-adjusted to today's rupees — what your money will actually buy. The "expected" value is rarely what you get; planning for the worst case is what makes a plan robust.

Best case (real)Expected (real)Worst case (real)
053.3L1.1Cr1.6Cr2.1CrY0Y3Y6Y9Y12Y15Y18Y20

Peak: ₹2,13,17,828

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Frequently asked

Why is 'real' value much smaller than 'nominal'?
Inflation. ₹1Cr in 30 years buys far less than ₹1Cr today. Real value strips this out so you can plan around what your money actually purchases.
Is a 3% buffer realistic?
It's the historical 1-sigma band for both return and inflation. For deeper stress tests, push the buffer to 5–6% — that's a 2-sigma scenario.

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Monte Carlo