Most investing advice focuses on finding the next big winner. Far less is written about the quieter discipline that often determines whether you finish wealthy: avoiding losses that permanently interrupt compounding.
The arithmetic explains why.
If you lose 10%, you need an 11% gain to break even. Lose 20%, and you need 25%. Lose 50%, and you need 100%. Lose 80%, and you need 400% just to return to where you started. The deeper the hole, the disproportionately harder it becomes to climb out.
This asymmetry is also hidden within “average” returns. A portfolio that gains 50% in one year and loses 50% the next has an arithmetic average return of 0%. Yet an investor who started with $100 would finish with only $75—a loss of 25%.
A large drawdown costs you more than capital. It also costs you the time and compounding required to recover.
When a decline becomes
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