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Printable Handouts
Navigable Slide Index
- Introduction
- Are risk models breaking down?
- Does it matter?
- Why were there so many exceptions in 3Q'07?
- Volatility is changing over time
- S&P500 daily returns
- Volatility clusters
- Forecasting volatility or variance
- Conditional volatility
- More on GARCH
- Asymmetric volatility?
- An example model for S&P500 risk
- Conditional volatility responds swiftly to shocks
- Calculating VaR from conditional volatility
- Historical simulation vs. conditional VaR
- Is the experience of July '07 typical?
- Backtesting procedure
- Backtesting results (1)
- Backtesting results (2)
- Can GARCH be used with simulation methods?
- Volatility-weighted historical simulation
- Implication of volatility-weighted simulation
- Monte Carlo simulation (1)
- Monte Carlo simulation (2)
- Capital requirements?
- Where to look for more information?
- Conclusion
Topics Covered
- What can we learn from problems with VaR models?
- Common patterns in volatility (the clustering effect)
- Forecasting volatility using GARCH
- Implications for VaR, stress testing and capital requirements
Talk Citation
Sheedy, E. (2008, May 1). VaR when volatility is changing [Video file]. In The Business & Management Collection, Henry Stewart Talks. Retrieved November 5, 2024, from https://doi.org/10.69645/MWTA4307.Export Citation (RIS)