Investing
Investment Loss Recovery Calculator
Losses and gains aren't symmetric: a 50% drop needs a 100% rise to get back to even, because the gain works off a smaller base. Enter your loss to see the gain required to recover — and, if you like, the dollars involved.
To see the dollar value at the bottom and the gain needed.
Gain needed to break even
42.86%
A 30% loss requires this gain just to get back to even.
- Your loss
- 30%
- Value after the loss
- $7,000
- Amount to recover
- $3,000
The dollars you need to earn back.
How this calculator works
Gain needed = 1 ÷ (1 − loss) − 1. The value after the loss is the original amount × (1 − loss), and the amount to recover is the difference between the original and the post-loss value.
Pure arithmetic on a single loss — it doesn't assume any timeframe or return. Whether you can realistically earn back the required gain depends entirely on the investment and how long you can wait.
Try an example
Frequently asked questions
Why does a 50% loss need a 100% gain to recover?
Because the gain is calculated on the smaller, post-loss balance. Lose 50% of $100 and you have $50; to get back to $100 you must double it — a 100% gain. The bigger the loss, the more lopsided this gets: a 90% loss needs a 900% gain to break even.
How do I calculate the gain needed to recover a loss?
Divide 1 by (1 minus the loss as a decimal), then subtract 1. For a 30% loss: 1 ÷ (1 − 0.30) − 1 = 0.4286, or about a 43% gain to break even. This asymmetry is why avoiding large losses matters more than chasing large gains.
What does this mean for how I invest?
It's the case for managing risk and diversifying: recovering from a catastrophic loss can take years or may never happen. Avoiding a 50%+ drawdown is worth more than an occasional big win, which is why broad diversification and appropriate risk levels beat concentrated bets for most investors.
Does this apply to my whole portfolio or single stocks?
Both, but it's most dangerous with concentrated positions. A diversified index can fall 30–50% in a bad market and historically recovers over time; an individual stock that drops 80% may never come back if the company is impaired. The recovery math is identical — the odds of actually recovering are not.
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Disclaimer: DayCents provides this calculator for educational purposes only. Results are estimates based on your inputs and the stated assumptions — they are not financial advice, a quote, or an offer of credit. Consult a qualified financial professional before making major money decisions.