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Answer: Stressed VaR is not necessarily based on data from the immediately preceding period, unlike traditional VaR.
## Explanation **Correct Answer: D** **Key Differences Between Stressed VaR and Traditional VaR:** - **Traditional VaR** typically uses data from the immediately preceding period (usually 1-4 years) to estimate potential losses under normal market conditions. - **Stressed VaR** uses data from a specific period of significant financial stress in the past, which may not be the immediately preceding period. This allows it to capture extreme market conditions that traditional VaR might miss. **Why the Other Options Are Incorrect:** - **A**: Both stressed VaR and traditional VaR can use conditional or unconditional distributions depending on the methodology. This is not the key distinguishing factor. - **B**: Both stressed VaR and traditional VaR typically use similar time horizons (e.g., 10-day holding period for regulatory purposes). The difference lies in the data period used, not the forecast horizon. - **C**: Both approaches can use various probability distributions (normal, t-distribution, etc.). The key difference is the data selection, not the assumed distribution. **Practical Significance:** Stressed VaR was introduced after the 2008 financial crisis to address the limitations of traditional VaR during periods of market stress, where correlations break down and extreme events occur more frequently than predicted by normal market data.
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A financial institution is planning to add stressed VaR to the measures it uses to assess market risk. In preparation for this development, a risk analyst at the institution researches the differences between stressed VaR and traditional VaR, including the appropriate data, time horizons, and distributions. Which of the following is a major characteristic of stressed VaR that distinguishes it from traditional VaR?
A
Stressed VaR is based on an unconditional loss distribution rather than a conditional loss distribution.
B
Stressed VaR typically uses much longer time horizons, often several months or years.
C
Stressed VaR uses a different assumed probability distribution as an input compared to traditional VaR.
D
Stressed VaR is not necessarily based on data from the immediately preceding period, unlike traditional VaR.
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