4 questions

Valuation & Risk Models

Value at Risk (VaR) estimates:

  • a.The guaranteed maximum loss ever
  • b.The maximum expected loss over a horizon at a given confidence level
  • c.The average annual return
  • d.The default probability

VaR is the loss threshold not expected to be exceeded at a stated confidence over a horizon.

Valuation & Risk Models

A key limitation of VaR is that it:

  • a.Says little about the size of losses beyond the threshold
  • b.Cannot be computed
  • c.Only applies to stocks
  • d.Guarantees no larger loss

VaR does not describe the magnitude of losses in the tail beyond the threshold.

Valuation & Risk Models

Stress testing complements VaR by:

  • a.Replacing all models
  • b.Lowering capital requirements
  • c.Examining extreme but plausible scenarios
  • d.Ignoring tail events

Stress tests probe extreme scenarios that normal VaR may understate.

Valuation & Risk Models

Expected shortfall (conditional VaR) measures:

  • a.The best-case gain
  • b.The median return
  • c.The risk-free rate
  • d.The average loss given that losses exceed the VaR threshold

Expected shortfall averages losses in the tail beyond VaR.

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