
Explanation:
In the Vasicek model, the standard deviation of the terminal distribution of the short rate after T years is given by:
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Q.1665 Using the Vasicek model, we can determine the standard deviation of the terminal distribution of the short-term rate after T years. Consider the following scenario: A mean-reverting parameter has a value of 0.025 and volatility of 126 basis points. The short rate in 10 years is normally distributed with an expected value of 7.4812%. What is the standard deviation of the short rate in 10 years?
A
343 basis points
B
253 basis points
C
243 basis points
D
353 basis points
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