CalculationTime

Drawdown Recovery Calculator

Calculate the percentage gain and number of growth periods needed to recover from a drawdown.

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Your numbers, formula and explanation together

Drawdown Recovery Calculator: 100% gain needed. 10,000.00 before loss -> 5,000.00 after a 50% drawdown. Break-even gain is 100%. At 10% per month, 7.27 months exact, first whole break-even period 8.

Formula applied

The exact method behind this answer

CalculationTime keeps the method visible so the number can be checked instead of blindly trusted.

Balance after loss = starting balance × (1 − loss percent ÷ 100). Gain needed = starting balance ÷ balance after loss − 1. Recovery periods = ln(starting balance ÷ balance after loss) ÷ ln(1 + recovery rate ÷ 100).
  1. Apply the formulaBalance after loss = starting balance × (1 − loss percent ÷ 100). Gain needed = starting balance ÷ balance after loss − 1. Recovery periods = ln(starting balance ÷ balance after loss) ÷ ln(1 + recovery rate ÷ 100).100% gain needed10,000.00 before loss -> 5,000.00 after a 50% drawdown. Break-even gain is 100%. At 10% per month, 7.27 months exact, first whole break-even period 8.

Your live breakdown

Current inputs in the calculation

These values come from the controls above and update when the calculator changes.

Starting balance before loss
10,000 currency
The balance before the drawdown.
Loss / drawdown
50 %
A 50% loss means the balance falls to half its starting value.
Recovery growth per period
10 %
Educational constant recovery rate. It is not a forecast or advice.
Period type
3
0 hour, 1 day, 2 week, 3 month, 4 year. This label is for explanation.

Resulting answer

100% gain needed

10,000.00 before loss -> 5,000.00 after a 50% drawdown. Break-even gain is 100%. At 10% per month, 7.27 months exact, first whole break-even period 8.

Answer
100% gain needed
Live support
10,000.00 before loss -> 5,000.00 after a 50% drawdown. Break-even gain is 100%. At 10% per month, 7.27 months exact, first whole break-even period 8.

Assumptions used

What this answer assumes

Risk education only. Bigger losses require disproportionately bigger percentage gains to break even.

  • This is risk education arithmetic, not trading advice, investment advice or a recovery forecast.
  • The recovery rate is treated as a constant positive rate per period; real recoveries are uneven and can include further losses.
  • Loss percentage is capped below 100% because a total loss cannot recover by percentage growth from zero.
  • Fees, tax, inflation, withdrawals, additional deposits and behavioural risk are not included.

Master’s Tip

How to use the result well

Master’s Tip: show both the loss and the required gain. A 50% loss needing a 100% gain is one of the clearest ways to explain why drawdown control matters.

Printable record

What belongs in the saved calculation

Save the inputs, result, formula, assumptions, page URL and date together so the calculation can be reviewed later.

Starting balance before loss
10,000 currency
The balance before the drawdown.
Loss / drawdown
50 %
A 50% loss means the balance falls to half its starting value.
Recovery growth per period
10 %
Educational constant recovery rate. It is not a forecast or advice.
Period type
3
0 hour, 1 day, 2 week, 3 month, 4 year. This label is for explanation.

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Formula

Balance after loss = starting balance × (1 − loss percent ÷ 100). Gain needed = starting balance ÷ balance after loss − 1. Recovery periods = ln(starting balance ÷ balance after loss) ÷ ln(1 + recovery rate ÷ 100).

Worked example

Start at 10,000 and lose 50%, leaving 5,000. To return from 5,000 to 10,000, the needed gain is 10,000 ÷ 5,000 − 1 = 100%. At 10% recovery per period, ln(2) ÷ ln(1.10) = 7.27, so the first whole period at or above break-even is 8 periods.

Professional note

Master’s Tip: show both the loss and the required gain. A 50% loss needing a 100% gain is one of the clearest ways to explain why drawdown control matters.

Regional and unit assumptions

Standard or basis: transparent drawdown and compound-recovery arithmetic. This is educational only and does not recommend any asset, strategy, leverage level or recovery assumption.

Assumptions and limitations

Methodology & Accuracy

How this calculator is checked

CalculationTime pages are built around visible arithmetic: the formula, assumptions, worked example and practical limitations are shown so the result can be checked rather than simply trusted.

Formula used

Balance after loss = starting balance × (1 − loss percent ÷ 100). Gain needed = starting balance ÷ balance after loss − 1. Recovery periods = ln(starting balance ÷ balance after loss) ÷ ln(1 + recovery rate ÷ 100).

Standard or basis

Standard or basis: transparent drawdown and compound-recovery arithmetic. This is educational only and does not recommend any asset, strategy, leverage level or recovery assumption.

Where a calculator follows a named legal, trade or industry standard, that standard is cited visibly. Otherwise the page uses transparent general arithmetic and states its limits.

Master's Tip

Master’s Tip: show both the loss and the required gain. A 50% loss needing a 100% gain is one of the clearest ways to explain why drawdown control matters.

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Questions

Why does a 50% loss need a 100% gain?

After a 50% loss, 100 becomes 50. Getting from 50 back to 100 requires gaining 50 on a base of 50, which is a 100% gain.

What gain is needed after a 20% loss?

A 20% loss leaves 80% of the starting value. The gain needed is 1 ÷ 0.80 − 1 = 25%.

Can a 100% loss recover?

Not through percentage growth from the remaining balance, because the remaining balance is zero. That is why this calculator caps loss below 100%.

Are recovery periods guaranteed?

No. The period count assumes the same recovery rate every period. Real results can be volatile, lower, higher or negative.

Does this recommend taking more risk to recover?

No. It is an educational calculator only. It does not recommend trades, leverage, products or strategies.

Calculation note

Drawdown recovery arithmetic explains an asymmetry that surprises many beginners: losing a percentage and gaining the same percentage do not cancel out. The recovery gain is measured from a smaller base.

Losses change the base

A 10% loss followed by a 10% gain does not return to the starting point. The gain is calculated from the reduced balance, so the account remains below its original value.

The break-even gain curve is nonlinear

Small losses need slightly larger gains, but large losses need dramatically larger gains. A 20% loss needs 25%, a 50% loss needs 100%, and a 90% loss needs 900%.

Why educators use drawdown tables

Drawdown tables help students, savers and traders see risk before thinking about returns. They are simple arithmetic, but they make the cost of large losses visible.

Recovery time is a model, not a promise

The periods-to-recover estimate assumes a constant rate every period. Real markets, businesses and projects do not move that smoothly, so the period count should be treated as a scenario label only.

Sources and further readingInvestor.gov: Risk and ReturnCFA Institute: Risk Management