Export Bank has a trading position in Japanese yen and Swiss francs. At the close of business on February 4, the bank had ¥300 million and SF10 million. The exchange rates for the most recent six days are given below:

a. What is the foreign exchange (FX) position in dollar equivalents using the FX rates on February 4?
b. What is the definition of delta as it relates to the FX position?
c. What is the sensitivity of each FX position; that is, what is the value of delta for each currency on February 4?
d. What is the daily percentage change in exchange rates for each currency over the five-day period?
e. What is the total risk faced by the bank on each day? What is the worst-case day? What is the best-case day?
f. Assume that you have data for the 500 trading days preceding February 4. Explain how you would identify the worst-case scenario with a 99 percent degree of confidence?
g. Explain how the 1 percent value at risk (VAR) position would be interpreted for business on February 5.
h. How would the simulation change at the end of the day on February 5? What variables and/or processes in the analysis may change? What variables and/or processes will not change?

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Exchange Rates per U.S. Dollar at the Close of Business 24 23 2/2 1/29128 Japanese yen 80.13 80.84 80.14 83.05 84.35 84.32 Swiss francs 0.9540 0.9575 0.9533 0.9617 0.9557 0.9523