chapter7无文字-金融工程专业new.ppt

1 Chapter 7 Options 2 Outlines ? Concept of Options ? Types of options ? American options vs. European options ? Call options vs. Put options ? OTC Options vs. Exchange-Traded Options ? positions & payoffs ? Terminology ? Strategies using options 3 ? Concept of Options ? Definition: The right, but not the obligation, to buy (for a call option ) or sell (for a put option ) a specific amount of a given stock, commodity, currency, index, or debt, at a specified price (the strike price) during a specified period of time. buyer premium Seller/writer The option ’ s price The right to buy or sell 4 concept of options ? The price at which the asset can be purchased or sold is known as the strike price/exercise price. ? The date when the option expires is known as the exercise date, the expiration date, or the maturity date. 5 types of options: American options vs. European options ? American options can be exercised at any time up to the expiration date. ? European options can be exercised only on the expiration date itself. 6 types of options: OTC Options vs. Exchange- Traded Options ? Options are traded very actively in the over-the- counter market as well as on exchanges. ? The main advantage of an over-the-counter option is that it can be tailored by a financial institution to meet the needs of a client. 7 continued ? Organized exchanges filled the need for standardized option contracts wherein the exchange would specify the contracts ’ terms and conditions. 8 option positions & payoffs ? A call option is an option to buy a certain asset by a certain date for a certain price (the strike price) ? A put is an option to sell a certain asset by a certain date for a certain price (the strike price) ? You can exercise an option if you wish, but you do not have to do so Call option & put option 9 premium One contract is for the purchase or sale of 100 shares 10 call option example ? A trad