TAILIEUCHUNG - Lecture Investments (Special Indian Edition): Chapter 20 - Bodie, Kane, Marcus

This reading provides an overview of equity securities and their different features and establishes the background required to analyze and value equity securities in a global context. | Chapter 21 Option Valuation Intrinsic value - profit that could be made if the option was immediately exercised. Call: stock price - exercise price Put: exercise price - stock price Time value - the difference between the option price and the intrinsic value. Option Values Time Value of Options: Call Option value X Stock Price Value of Call Intrinsic Value Time value Factor Effect on value Stock price increases Exercise price decreases Volatility of stock price increases Time to expiration increases Interest rate increases Dividend Rate decreases Factors Influencing Option Values: Calls Restrictions on Option Value: Call Value cannot be negative Value cannot exceed the stock value Value of the call must be greater than the value of levered equity C > S0 - ( X + D ) / ( 1 + Rf )T C > S0 - PV ( X ) - PV ( D ) Allowable Range for Call Call Value S0 PV (X) + PV (D) Upper bound = S0 Lower Bound = S0 - PV (X) - PV (D) 100 200 50 Stock Price C 75 0 Call Option Value X = 125 Binomial Option .

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