Conditional Value at Risk, also called Expected Shortfall, answers the question VaR ignores: when you do breach the VaR threshold, how bad is it on average? CVaR is the mean loss across all the outcomes worse than VaR, so it measures the depth of the tail rather than just its edge.
Because it accounts for extreme losses, CVaR is generally the more conservative and better-behaved risk measure for fat-tailed assets like crypto. A strategy with the same VaR as another but a much larger CVaR is hiding nastier tail events.
Formel
CVaR_α = average loss given that the loss exceeds VaR_α
Beispiel
Two strategies share a 95% VaR of 3%, but one has a CVaR of 4% and the other 9% — the second has far heavier tail risk.
Wie Noon Barbari Conditional Value at Risk (CVaR) nutzt
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See risk metrics in noonbarbari →Verwandte Begriffe
- Statistik
Value at Risk (VaR)
A loss threshold you won't exceed at a given confidence level over a period.
- Risiko
Maximum drawdown
The deepest peak-to-trough decline observed across the entire equity curve.
- Statistik
Standard deviation
Square root of variance — the most common volatility measure in trading.
- Backtesting
Stress Test
Replaying a strategy through historically hard regimes and adversarial shocks.