Derivatives Markets Purpose: Discuss the structure and function of derivatives markets Background Derivatives A derivative is a financial instrument whose return is derived from the return on another instrument. The Underlying Asset Called the underlying A derivative derives its value from the underlying Size of the derivatives market at mid-year 2009 $604 trillion underlying value of all OTC derivatives With notional principal of all other contracts added, total would exceed a quadrillion US dollars OTC Notional Principal in US $ trillion (Source: Bank of International Settlements) CBOE VIX Daily Close 1/2/2004-1/25/2010 Background The Storage Mechanism: Spreading Consumption across Time Delivery and Settlement Placing an Order pit open outcry electronic systems Role of Derivatives Markets Risk Management Hedging vs. speculation Setting risk to an acceptable level Price Discovery Operational Advantages Transaction costs Liquidity Ease of short selling Market Efficiency Market Efficiency and Theoretical Fair Value Definition of an efficient market The concept of theoretical fair value Arbitrage and the Law of One Price Criticism of Derivatives Markets Speculation Comparison to gambling High leverage Inappropriate use Forward Market Forward Contracts Definition: a contract between two parties for one party to buy something from the other at a later date at a price agreed upon today Exclusively over-the-counter Futures Markets Futures Contracts Definition: a contract between two parties for one party to buy something from the other at a later date at a price agreed upon today; subject to a daily settlement of gains and losses and guaranteed against the risk that either party might default Exclusively traded on a futures exchange Swap Market Swaps Definition of a swap: a contract in which two parties agree to exchange a series of cash flows Exclusively over-the-counter Other types of derivatives include swaptions and hybrids. Their creation is a process called financial engineering The futures game has a long history In Europe Futures In trading since the 1600s North America Commodity trading mechanisms originated in colonial times Today’s organized futures exchanges trace their roots back to the early 1800s Large variety of futures contracts now being traded fungible agricultural commodities petroleum products metals (precious and otherwise) T-bills, T-bonds, and other financial contracts currencies Equity indices inflation indices bulk freight rates Other possibilities in the next twenty years: more stock market indices GNP series, real estate indices, and other economic indicators perhaps even electronic components The basics of futures trading warehouse receipts spot price futures contract terms futures price basis basis risk Basis & Basis Risk Basis Futures Spot The “basis” is the difference between the futures price and the spot price “Basis risk” refers to the risk that the basis may fluctuate Hedging gets rid of price risk, replacing it with basis risk The basics of futures trading warehouse receipts spot price futures contract terms futures price basis basis risk Marking to Market 10:00 AM Smith buys @ $1 Jones sells @ $1 Closing price = $1.05 Settlement: Smith makes 5¢ Jones loses 5¢ Margins and Limits Margin equals the maximum that can be lost in one day’s trading Upper and lower limits define margin Margins normally established by vote among the traders on the exchange What are incentives for keeping margins small? What are incentives for increasing margins? Exchanges and regulators can change margin in emergency Clearinghouse Clearinghouse holds all margin deposits This amount equals twice the amount that is exposed to risk Ancestors of modern clearinghouses are also the ancestors of central banks Summary, Mechanics of Futures Trading daily settlement initial margin maintenance margin concept of “margin” vs. performance bond settlement price variation margin open interest The cast of characters in the futures game Hedgers Speculators Arbitrageurs Hedgers: They want to reduce their business risks They trade risks with one another There is a long history Speculators: People with valuable information are naturally attracted to futures trading What good do they do? Informed speculators enhance pricing efficiency Uninformed speculators contribute liquidity Arbitrageurs: People with access to several marketplaces Look for imbalances profit What from them as they arise good do they do? quickly eliminate imbalances Some trading examples to illustrate arbitrage “crush” live spread hogs and pork bellies any pair of commodities for which the first is directly convertible into the second soy beans into soy bean meal and soy bean oil any set of commodities for which the raw material is directly convertible into a standard package of refined commodities The Cast of Characters Classification by Trading Style scalpers day traders position traders Off-Floor Futures Traders individuals institutions Others: Introducing Broker (IB), Commodity Trading Advisor (CTA), Commodity Pool Operator (CPO), Associated Person (AP) What are options? Options are financial contracts whose value is contingent upon the value of some underlying asset Such arrangements are also known as contingent claims because equilibrium market value of an option moves in direct association with the market value of its underlying asset. OPT measures this linkage Everyday examples of options rain check discount coupon airline ticket with cancellation right right to drop a course The basics of options Calls and puts defined Call: privilege of buying the underlying asset at a specified price and time Put: privilege of selling the underlying asset at a specified price and time The basics of options Regional differences American options can be exercised anytime before expiration date European options can be exercised only on the expiration date Asian options are settled based on average price of underlying asset The basics of options Options may be allowed to expire without exercising them Options game has a long history at least as old as the “premium game” of 17th century Amsterdam developed from an even older “time game” which evolved into modern futures markets and spawned modern central banks The Development of Options Markets Early origins Put and Call Brokers and Dealers Association Chicago Board Options Exchange, 1973 Resurgence of over-the-counter market Moneyness concepts In-the-money Out-of-the-money At-the-money The Over-the-Counter Options Market Worldwide scope Credit risk is present Customized terms Private transactions Unregulated Options on stocks and stock indices, bonds, interest rates, commodities, swaps & currencies Organized Option Exchanges Listing Requirements Contract Size Exercise Prices Expiration Dates Position and Exercise Limits Option Traders The Market Maker Bid, ask, and bid-ask spread Scalpers, position traders, spreaders The Floor Broker Designated primary market makers Dual trading The Order Book Official Limit orders Electronic order processing Option Price Quotations See web sites of newspapers and options exchanges Problems Delayed information Nonsynchronized prices Types of Options Stock Options Index Options Currency Options Other Types of Traded Options interest rate options currency options options attached to bonds exotic options warrants, callable bonds, convertible bonds executive options Put-Call Parity Consider two portfolios • Portfolio A contains a call and a bond: C(S,X,t) + B(X,t) • Portfolio B contains stock plus put: S + P(S,X,t) Put-Call Parity Consider two portfolios • Portfolio A contains a call and a bond: C(S,X,t) + B(X,t) • Portfolio B contains stock plus put: S + P(S,X,t) VA VB S*<X 0 +X =X X-S +S =X S*>X S-X +X =S 0 +S =S Put-Call Parity C(S,X,t) + B(X,t) = S + P(S,X,t) News leaks about negative event Informed traders sell calls and buy puts Put-Call Parity ,X,t) S ( P + ,t) = S (X )+B t , X , S ( C News leaks about negative event Informed traders sell calls and buy puts Arbitrage traders buy the low side and sell the high side Put-Call Parity C(S,X,t) + B(X,t) = S + P(S,X,t) News leaks about negative event Informed traders sell calls and buy puts Arbitrage traders buy the low side and sell the high side Stock price falls — “the tail wags the dog”