Yell Essay

656 Words3 Pages
1) What type of investors may be interested in purchasing portfolio insurance? * Investors who have average expectations, but whose risk tolerance increases with wealth more rapidly than average, will wish to obtain portfolio insurance. * Investors who have average risk tolerance, but whose expectations of returns are more optimistic than average, will wish to obtain portfolio insurance. 2) How does portfolio insurance work? If implemented by trading in stocks and government securities, how would LOR adjust its clients’ portfolios as the S&P rises? Falls? a. Suppose that the S&P suddenly dropped 25% before LOR could adjust its portfolio. Using the stylized example given in Figure A-1, how would the value of the desired put change? How would the value of the replicating portfolio change? What does this imply? Value of Put increases. Delta increases. Value of Replicating Portfolio increases. This implies that we need to short additional shares and buy additional treasuries. b. Suppose that buying and selling the S&P bundle costs firms 80 basis points per trade. When would the transaction costs of portfolio insurance be greatest? 3) The case says that the introduction of index futures enhanced LOR’s ability to produce portfolio insurance. c. What are index futures? How would LOR use index futures to produce portfolio insurance? * A futures contract on a financial index. * Index futures could be used in dynamic hedging to substantially reduce the transaction costs associated with adjusting exposures. * Index futures would allow LOR to control clients’ equity exposure in a non-invasive overlay fashion, without having to ask the client to buy or sell stocks. 1. Client delivers to LOR cash equivalent to a fraction of the insured portfolio’s value. 2. LOR

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