Equivalent rate with semiannual compounding

Problem 1. An interest rate is 12.5% per annum expressed with continuous compounding. What is the equivalent rate with semiannual compounding?

Problem 2. A trader sells 100 European put options (1 contract) with a strike price of \$51 and a time to maturity of six months. The price received for each option is \$3. The price of the underlying asset is \$38 in six months. What is the trader's gain or loss? If loss, report a negative number.

Problem 3. An interest rate is 14% per annum when expressed with semiannual compounding. What is the equivalent rate with continuous compounding? Report the answer in % and round the number to the nearest 2 decimal percentage points such as 5.75%.

Problem 4. The three year zero rate is 5.1% and the four year zero rate is 6.5% (both continuously compounded). What is the forward rate (continuously compounded) for the fourth year? Report in % and round the number to the nearest 2 decimal percentage points such as 5.78%.

Problem 5. A company enters into a long futures contract to buy 1,000 barrels of oil for \$62 per barrel. The initial margin is \$10,000 and the maintenance margin is \$4,000. What oil futures price will trigger a margin call?

Problem 6. A trader sells 100 European put options (1 contract) with a strike price of \$51 and a time to maturity of six months. The price received for each option is \$4. The price of the underlying asset is \$38 in six months. What is the trader's gain or loss? If loss, report a negative number.

Problem 7. The three year zero rate is 5.6% and the four year zero rate is 6% (both continuously compounded). What is the forward rate (continuously compounded) for the fourth year? Report in % and round the number to the nearest 2 decimal percentage points such as 5.78%.

Problem 8. An interest rate is 13.01% per annum expressed with continuous compounding. What is the equivalent rate with semiannual compounding?

Problem 9. An investor writes four naked put options contracts. The option price is \$3.2, the strike price is \$63, and the stock price is \$80. What is the initial margin requirement?

Problem 10. An interest rate is 13% per annum when expressed with semiannual compounding. What is the equivalent rate with continuous compounding? Report the answer in % and round the number to the nearest 2 decimal percentage points such as 5.75%.

Problem 11. A company enters into a long futures contract to buy 1,000 barrels of oil for \$61 per barrel. The initial margin is \$8,000 and the maintenance margin is \$4,000. What oil futures price will trigger a margin call?

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