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McGraw-Hill/Irwin Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 20 Options Markets: Introduction.

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Presentation on theme: "McGraw-Hill/Irwin Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 20 Options Markets: Introduction."— Presentation transcript:

1 McGraw-Hill/Irwin Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 20 Options Markets: Introduction

2 20-2 Buy - Long Sell - Short Call Put Key Elements Exercise or Strike Price Premium or Price Maturity or Expiration Option Terminology

3 20-3 In the Money - exercise of the option would be profitable. Call: market price>exercise price Put: exercise price>market price Out of the Money - exercise of the option would not be profitable. Call: market price { "@context": "http://schema.org", "@type": "ImageObject", "contentUrl": "http://images.slideplayer.com/3961897/13/slides/slide_2.jpg", "name": "20-3 In the Money - exercise of the option would be profitable.", "description": "Call: market price>exercise price Put: exercise price>market price Out of the Money - exercise of the option would not be profitable. Call: market price

4 20-4 American - the option can be exercised at any time before expiration or maturity. European - the option can only be exercised on the expiration or maturity date. American vs. European Options

5 20-5 Stock Options Index Options Futures Options Foreign Currency Options Interest Rate Options Different Types of Options

6 20-6 Notation Stock Price = S T Exercise Price = X Payoff to Call Holder ( S T - X) if S T >X 0if S T < X Profit to Call Holder Payoff - Purchase Price Payoffs and Profits at Expiration - Calls

7 20-7 Payoff to Call Writer - ( S T - X) if S T >X 0if S T < X Profit to Call Writer Payoff + Premium Payoffs and Profits at Expiration - Calls

8 20-8 Profit Profiles for Calls Profit Stock Price 0 Call Writer Call Holder

9 20-9 Payoffs to Put Holder 0if S T > X (X - S T ) if S T < X Profit to Put Holder Payoff - Premium Payoffs and Profits at Expiration - Puts

10 20-10 Payoffs to Put Writer 0if S T > X -(X - S T )if S T < X Profits to Put Writer Payoff + Premium Payoffs and Profits at Expiration - Puts

11 20-11 Profit Profiles for Puts 0 Profits Stock Price Put Writer Put Holder

12 20-12 InvestmentStrategyInvestment Equity onlyBuy stock @ 100300 shares$10,000 Options onlyBuy calls @ 101000 options$10,000 LeveragedBuy calls @ 10100 options $1,000 equityBuy T-bills @ 2% $9,000 Yield Equity, Options & Leveraged Equity

13 20-13 IBM Stock Price $95$105$115 All Stock$9,500$10,500$11,500 All Options$0 $5,000$15,000 Lev Equity $9,270 $9,770$10,770 Equity, Options Leveraged Equity - Payoffs

14 20-14 IBM Stock Price $95$105$115 All Stock-5.0%5.0% 15% All Options-100% -50% 50% Lev Equity -7.3%-2.3% 7.7% Rates of Return

15 20-15 Protective Put Use - limit loss Position - long the stock and long the put PayoffS T X Stock S T S T Put X - S T 0

16 20-16 Protective Put Profit STST Profit -P Stock Protective Put Portfolio

17 20-17 Covered Call Use - Some downside protection at the expense of giving up gain potential. Position - Own the stock and write a call. PayoffS T X Stock S T S T Call 0 - ( S T - X)

18 20-18 Covered Call Profit STST Profit -P Stock Covered Call Portfolio

19 20-19 Straddle (Same Exercise Price) Long Call and Long Put Spreads - A combination of two or more call options or put options on the same asset with differing exercise prices or times to expiration. Vertical or money spread: Same maturity Different exercise price Horizontal or time spread: Different maturity dates Option Strategies

20 20-20 S T X Payoff for Call Owned 0S T - X Payoff for Put Written-( X -ST) 0 Total Payoff S T - X S T - X Put-Call Parity Relationship

21 20-21 Long Call Short Put Payoff Stock Price Combined = Leveraged Equity Payoff of Long Call & Short Put

22 20-22 Since the payoff on a combination of a long call and a short put are equivalent to leveraged equity, the prices must be equal. C - P = S 0 - X / (1 + r f ) T If the prices are not equal arbitrage will be possible. Arbitrage & Put Call Parity

23 20-23 Stock Price = 110 Call Price = 17 Put Price = 5 Risk Free = 10.25% Maturity =.5 yr X = 105 C - P > S 0 - X / (1 + r f ) T 17- 5 > 110 - (105/1.05) 12 > 10 Since the leveraged equity is less expensive, acquire the low cost alternative and sell the high cost alternative. Put Call Parity - Disequilibrium Example

24 20-24 Put-Call Parity Arbitrage ImmediateCashflow in Six Months PositionCashflowS T 105 Buy Stock-110 S T S T Borrow X/(1+r) T = 100+100-105-105 Sell Call+17 0-(S T -105) Buy Put -5105-S T 0 Total 2 0 0

25 20-25 Optionlike Securities Callable Bonds Convertible Securities Warrants Collateralized Loans

26 20-26 Exotic Options Asian Options Barrier Options Lookback Options Currency Translated Options Binary Options


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