Hexa Scholar

Market risk

Value at risk, expected shortfall, historical simulation, backtests, stress tests and model risk.

12 planned

No page in this subject is open yet. The planned list below shows what is coming, in learning order.

Planned

In learning order. These are not pages yet.

  1. What does value at risk leave out?Advanced undergrad
  2. Why expected shortfall looks beyond VaRAdvanced undergrad
  3. When does square-root-of-time risk scaling fail?Advanced undergrad
  4. How stress scenarios expose portfolio weaknessesAdvanced undergrad
  5. When does a risk measure reward diversification?Graduate
  6. Why equal correlation can hide different tail riskGraduate
  7. How liquidation costs turn market risk into liquidity riskAdvanced undergrad
  8. How Euler allocation assigns risk to positionsGraduate
  9. What historical simulation assumes about tomorrowAdvanced undergrad
  10. What VaR exceptions reveal in a backtestAdvanced undergrad
  11. EWMA and GARCH volatility in a VaR modelAdvanced undergrad
  12. What model risk remains after a good calibration?Graduate