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Do you have the same implied volatility for the two options on the same underlying? If not (in which case it is referred to as volatility smile), what might be able to explain the differences? (Hint: refer to the chapter on volatility smile).

05 / 03 / 2018 Assignment

This paper circulates around the core theme of Do you have the same implied volatility for the two options on the same underlying? If not (in which case it is referred to as volatility smile), what might be able to explain the differences? (Hint: refer to the chapter on volatility smile). together with its essential aspects. It has been reviewed and purchased by the majority of students thus, this paper is rated 4.8 out of 5 points by the students. In addition to this, the price of this paper commences from £ 45. To get this paper written from the scratch, order this assignment now. 100% confidential, 100% plagiarism-free.

Answer the following questions given the following call
option prices on Google (GOOG) and on Apple (APPL). Note that these are actual
option prices on 2/21/13 and these contracts have 60 days till expiration. The
2-month T-bill rate is about 4.75%. Show all work.

OPTION

STRIKE

EXP

VOL

LAST






GOOG

800

APR

378

28.20

S=795.53

690

APR

53

101.57






APPL

450

APR

530

18.55

S=446.06

480

APR

856

7.81

Part One

1. Estimate the theoretical option values for the call on
GOOG with K =800 and for the call on APPL with K = 450 using the
Black-Scholes-Merton and Binomial Models program (available under doc sharing).
You can also use the following website to calculate the option prices and
implied volatility 

www.option-price.com

2. When estimating
the option values assume various standard deviations of returns of 10%, 15%,
20%, … up to 100% or until you find the theoretical option value is close to
the actual one.

3. Draw a graph showing the relationship between standard
deviations and option values.

4. Based on the
graph, what does the actual option value imply about the expected future
standard deviation (volatility)? Which option has higher implied volatility and
is it surprising?

Part Two

1. Estimate the historical standard deviation of GOOG*.

2. Compare the implied standard deviation with the
historical standard deviation.

3. What can you infer from the difference, if any, between
the two numbers?

Part three

1. Compute the implied volatility for all options.

2. Do you have the same implied volatility for the two
options on the same underlying? If not (in which case it is referred to as
volatility smile), what might be able to explain the differences? (Hint: refer
to the chapter on volatility smile).

_____________________________________________________________________________________

*: How to estimate the historical standard deviation:

1. You need to obtain historical stock prices. I recommend
using Yahoo Finance .yahoo.com/”>/(enter symbol)–chart-http://finance.yahoo.com (daily or weekly) historical
quotes

2. Calculate stock return

Return on day T+1
= (stock price on day T+1 – stock price on day T)/ stock price on day T

Rt+1= (St+1– St)
/ St

·
For simplicity we can ignore dividends, since
GOOG pays no dividend.

·
A minimum of 30 returns is required—I am not
requiring an exact time period or the length of time period, so that your
answers will be slightly different and answers identical to those of other
students might receive point deductions.

3. The standard deviation (SD) of Stock Returns can then be
estimated using EXCEL function STDEV.S(range of return data). Further, the SD
needs to be annual standard deviation. If you use daily returns, the SD you
obtain is a daily one; you need to transform it to Annual SD = Daily SD * (365)0.5. For weekly data, Annual SD = Weekly SD * (52)0.

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