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

Time to expiry (years).

10¼

10¼

10.00

Interest rate (% per year).

42$

42$

42.00

Stock price.

20P

20P

20.00

Volatility (% per year).

40M

40M

40.00

Strike price.

t

t

4.76

Call value.

 

 

~

~

0.81

Put value.

 

 

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