What It Is
A probabilistic estimate of potential portfolio loss over a fixed horizon at a chosen confidence level.
Value at Risk (VaR) sits inside Part V - Risk Management and should be interpreted with adjacent concepts.
Concept Guide
Value at Risk (VaR) explained with practical workflows, risk-aware interpretation, and portfolio-level context.
A probabilistic estimate of potential portfolio loss over a fixed horizon at a chosen confidence level.
Value at Risk (VaR) sits inside Part V - Risk Management and should be interpreted with adjacent concepts.
VaR helps convert abstract risk into a decision-ready dollar figure for limits and governance.
1. Define confidence interval and horizon before comparing VaR numbers.
2. Pair VaR with stress scenarios and expected shortfall.
3. Update inputs as volatility and correlations shift.
Use this baseline with sector context and data-quality checks.
VaR typically reports loss at confidence c over horizon h (for example, 95 percent one-day VaR).Treating VaR as a worst-case bound instead of a threshold estimate.
Concept FAQs
It is most useful when combined with complementary concepts from the same cluster and explicit risk controls.
Avoid one-metric decisions. Confirm with at least one independent signal and pre-define sizing and invalidation rules.