
Explanation:
Component VaR allows risk managers to decompose the total portfolio VaR into the contributions of individual assets or sub-portfolios. This helps identify the different sources of an increase in total portfolio risk, making option C correct. Option A is incorrect because VaR assumes normal market conditions and liquid markets; it does not accurately capture the risk of illiquid assets. Option B is incorrect because robust VaR systems, by identifying and aggregating risks, make it more difficult, not easier, for rogue traders to hide large risky positions. Option D is incorrect because VaR can be calculated and monitored in real-time if the firm's systems are sufficiently advanced.
Ultimate access to all questions.
A
VaR is a reliable and easily performed method to measure the riskiness of illiquid assets.
B
VaR systems can generate accurate market risk estimates but at the expense of making “rogue trading” easier.
C
VaR measures can help identify the different sources of an increase in total portfolio risk.
D
VaR systems can monitor the risk levels of investments at regular intervals but not in real time.
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