Question

In: Finance

The current price of Gringotts Bank Corporation is $50. The price will increase by 40% or...

The current price of Gringotts Bank Corporation is $50. The price will increase by 40% or fall by 35% during each of the next two years. The company will pay a $9 dividend at the end of the first year if the stock price has risen, and will pay a $4 dividend if the price has fallen. It will not pay any dividends at the end of second year. The annualized, continuously compounded interest rate is 5%. What is the value of a 2-year European call option with a $45 strike price? What if it’s an American call option?

Solutions

Expert Solution

American call option is the type of option contract that can be exercised at any time on or before maturity

whereas european option can be exercised only on maturity.

Here we need to calculate value of 2-year call option i.s FAIR OP(option price)

Fair OP in case of european option i.e Fair OP on Expiry =Max of(CMP on expiry-Excercise price,0)

Dividend at yr end 2 =Dividend at yr end1*e^.05 =Dividend at yr end1*1.0513

Possibility

CMP as on expiry(A)

Dividend receive at year end 1

Dividend at yr end 2(B)=Div*1.0513

Adjusted CMP=A-B

EP

FAIR OP of Call as on epiry

1

98

9

9.4617

88.5383

45

43.5383

2

45.5

9

9.4617

36.0383

45

0(Will not excercise)

3

45.5

4

4.2052

41.2948

45

0(Will not excercise)

4

21.125

4

4.2052

16.9198

45

0(Will not excercise)


For American call option:

Fair OP would be =Max of (CMP as on today-EP as on today,0)

Possibility

CMP as onToday (A)

Dividend receive at year end 1

Dividend at yr end 0(B)=Div*.9512

Adjusted CMP=A-B

EP as on Expiry=C

EP as on today=C*.9048

FAIR OP of Call as on today

1

50

9

8.5608

41.4392

45

40.716

0.7232

2

50

9

8.5608

41.4392

45

40.716

0.7232

3

50

4

3.8048

46.1952

45

40.716

5.4792

4

50

4

3.8048

46.1952

45

40.716

5.4792


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