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Lecture Presentation Software to accompany Investment Analysis and Portfolio Management Seventh Edition by Frank K. Reilly & Keith C. Brown Chapter 21
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Chapter 21 - An Introduction to Derivative Markets and Securities
Questions to be answered: What distinguishes a derivative security such as a forward, futures, or option contract, from more fundamental securities, such as stocks and bonds? What are the important characteristics of forward, futures, and option contracts, and in what sense can the be interpreted as insurance policies?
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Chapter 21 - An Introduction to Derivative Markets and Securities
How are the markets for derivative securities organized and how do they differ from other security markets? What terminology is used to describe transactions that involve forward, futures, and option contracts? How are prices for derivative securities quoted and how should this information be interpreted?
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Chapter 21 - An Introduction to Derivative Markets and Securities
What are similarities and differences between forward and futures contracts? What do the payoff diagrams look like for investments in forward and futures contracts? What do the payoff diagrams look like for investments in put and call option contracts? How are forward contracts, put options, and call options related to one another?
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Chapter 21 - An Introduction to Derivative Markets and Securities
How can derivatives be used in conjunction with stock and Treasury bills to replicate the payoffs to other securities and create arbitrage opportunities for an investor? How can derivative contracts be used to restructure cash flow patterns and modify the risk in existing investment portfolios?
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Derivative Instruments
Value is depends directly on, or is derived from, the value of another security or commodity, called the underlying asset Forward and Futures contracts are agreements between two parties - the buyer agrees to purchase an asset from the seller at a specific date at a price agreed to now Options offer the buyer the right without obligation to buy or sell at a fixed price up to or on a specific date
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Why Do Derivatives Exist?
Assets are traded in the cash or spot market It is sometimes advantageous enter into a transaction now with the exchange of asset and payment at a future time Risk shifting Price formation Investment cost reduction
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Derivative Instruments
Forward contracts are the right and full obligation to conduct a transaction involving another security or commodity - the underlying asset - at a predetermined date (maturity date) and at a predetermined price (contract price) This is a trade agreement Futures contracts are similar, but subject to a daily settling-up process
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Forward Contracts Buyer is long, seller is short
Contracts are OTC, have negotiable terms, and are not liquid Subject to credit risk or default risk No payments until expiration Agreement may be illiquid
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Futures Contracts Standardized terms Central market (futures exchange)
More liquidity Less liquidity risk - initial margin Settlement price - daily “marking to market”
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Options The Language and Structure of Options Markets
An option contract gives the holder the right-but not the obligation-to conduct a transaction involving an underlying security or commodity at a predetermined future date and at a predetermined price
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Options Buyer has the long position in the contract
Seller (writer) has the short position in the contract Buyer and seller are counterparties in the transaction
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Options Option Contract Terms Option Valuation Basics
The exercise price is the price the call buyer will pay to-or the put buyer will receive from-the option seller if the option is exercised Option Valuation Basics Intrinsic value represents the value that the buyer could extract from the option if he or she she exercised it immediately The time premium component is simply the difference between the whole option premium and the intrinsic component Option Trading Markets-options trade both in over-the-counter markets and on exchanges
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Options Option to buy is a call option Option to sell is a put option
Option premium - paid for the option Exercise price or strike price - price agreed for purchase or sale Expiration date European options American options
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Options At the money: In-the-money Out-of-the-money
stock price equals exercise price In-the-money option has intrinsic value Out-of-the-money option has no intrinsic value
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Investing With Derivative Securities
Call option requires up front payment allows but does not require future settlement payment Forward contract does not require front-end payment requires future settlement payment
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Options Pricing Relationships
Factor Call Option Put Option Stock price Exercise price Time to expiration Interest rate Volatility of underlying stock price + +
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Profits to Buyer of Call Option
Profit from Strategy 3,000 2,500 Exercise Price = $70 Option Price = $6.125 2,000 1,500 1,000 500 (500) Stock Price at Expiration (1,000) 40 50 60 70 80 90 100
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Profits to Seller of Call Option
Profit from Strategy 1,000 Exercise Price = $70 Option Price = $6.125 500 (500) (1,000) (1,500) (2,000) (2,500) Stock Price at Expiration (3,000) 40 50 60 70 80 90 100
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Profits to Buyer of Put Option
Profit from Strategy 3,000 2,500 2,000 Exercise Price = $70 Option Price = $2.25 1,500 1,000 500 Stock Price at Expiration (500) (1,000) 40 50 60 70 80 90 100
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Profits to Seller of Put Option
Profit from Strategy 1,000 500 Exercise Price = $70 Option Price = $2.25 (500) (1,000) (1,500) (2,000) (2,500) Stock Price at Expiration (3,000) 40 50 60 70 80 90 100
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The Relationship Between Forward and Option Contracts
Put-call parity Long in WYZ common at price of S0 Long in put option to deliver WYZ at X on T Purchase for P0 Short in call option to purchase WYZ at X on T Sell for C0 Net position is guaranteed contract (risk-free) Since the risk-free rate equals the T-bill rate: (long stock)+(long put)+(short call)=(long T-bill)
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Creating Synthetic Securities Using Put-Call Parity
Risk-free portfolio could be created using three risky securities: stock, a put option, and a call option With Treasury-bill as the fourth security, any one of the four may be replaced with combinations of the other three
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Adjusting Put-Call Spot Parity For Dividends
The owners of derivative instruments do not participate directly in payment of dividends to holders of the underlying stock If the dividend amounts and payment dates are known when puts and calls are written those are adjusted into the option prices (long stock) + (long put) + (short call) = (long T-bill) + (long present value of dividends)
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Put-Call-Forward Parity
Instead of buying stock, take a long position in a forward contract to buy stock Supplement this transaction by purchasing a put option and selling a call option, each with the same exercise price and expiration date This reduces the net initial investment compared to purchasing the stock in the spot market
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Put-Call-Forward Parity
The difference between put and call prices must equal the discounted difference between the common exercise price and the contract price of the forward agreement, otherwise arbitrage opportunities would exist
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An Introduction To The Use Of Derivatives In Portfolio Management
Restructuring asset portfolios with forward contracts shorting forward contracts tactical asset allocation to time general market movements instead of company-specific trends hedge position with payoffs that are negatively correlated with existing exposure converts beta of stock to zero, making a synthetic T-bill, affecting portfolio beta
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An Introduction To The Use Of Derivatives In Portfolio Management
Protecting portfolio value with put options purchasing protective puts keep from committing to sell if price rises asymmetric hedge portfolio insurance Either hold the shares and purchase a put option, or sell the shares and buy a T-bill and a call option
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The Internet Investments Online
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End of Chapter 21 An Introduction to Derivative Markets and Securities
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Future topics Chapter 22 Forward and Futures Contracts
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