Value at Risk vs Maximum Drawdown
VaR is a probabilistic daily loss estimate, while Maximum Drawdown is the worst historical peak-to-trough decline. VaR helps with expected bad-day sizing; drawdown reflects lived pain.
When to use each
VaR 95
Use VaR for day-to-day risk budgeting and understanding typical tail risk at a selected confidence level.
Max DD
Use Maximum Drawdown to evaluate survivability, stress endurance, and recovery burden over full history.
Key differences
Type
Model-based estimate
Historical realized outcome
Time focus
Usually one-day horizon
Full-period peak-to-trough event
What it answers
How bad can a typical extreme day be?
How deep was the worst cumulative decline?
Common pitfalls
- VaR can understate true tail losses when returns are non-normal.
- Maximum Drawdown is path-dependent and may worsen with longer history.
- Using either metric alone hides important context.
Practical decision rule
Use VaR for active sizing and operational risk limits, and Max Drawdown for strategic durability and behavior risk.
Frequently asked questions
Does VaR tell me the worst possible loss?
Can I have low VaR but high drawdown?
See these metrics on your own portfolio.
Portivex calculates both metrics side by side so you can make decisions with clearer risk context.
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