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NOTE: This is the 4th time I\'m posting this quesiton; if you are not sure about

ID: 2642761 • Letter: N

Question

NOTE: This is the 4th time I'm posting this quesiton; if you are not sure about the answer, KINDLY please do not post the answer and leave it to someone more experienced. thank you very much!!!

Some of the quotes below are clearly mispriced. In fact, there are at least 6 quotes that violate various price behaviors of options. Identify the mispriced options by their nature (call or put), their strike price, and the expiration month and then state which relationship/pricing rule is being violated.

Calls

Puts

Option and NY Close

Exercise/

Strike

Expiration

Vol.

Last

Vol.

Last

Price

GM

5

Nov

89

1.12

41

0.15

6.8

5

Dec

85

1.15

22

0.1

6.8

8

Nov

5

1.15

41

1.1

6.8

8

Feb

60

0.45

55

1.2

Calls

Puts

Option and NY Close

Exercise/

Strike

Expiration

Vol.

Last

Vol.

Last

Price

GM

5

Nov

89

1.12

41

0.15

6.8

5

Dec

85

1.15

22

0.1

6.8

8

Nov

5

1.15

41

1.1

6.8

8

Feb

60

0.45

55

1.2

Explanation / Answer

A correctly priced option should follow put-Call parity

P+S0=C+Kexp(-rt)

As we don