Section 13: Investment Analysis 201

Example 2: The stock price six months from the expiration of an option is $42, the exercise price of the option is $40, the risk-free interest rate is 10% per annum, and the volatility is 20% per annum. Find Call and Put values.

Keystrokes

Keystrokes

Display

(RPN mode)

(ALG mode)

 

 

 

 

f]

f[

 

 

 

 

.5n

.5n

0.50

10¼

10¼

10.00

42$

42$

42.00

20P

20P

20.00

40M

40M

40.00

t

t

4.76

 

 

~

~

0.81

 

 

Time to expiry (years).

Interest rate (% per year).

Stock price.

Volatility (% per year).

Strike price.

Call value.

Put value.

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