**Business / Finance / Portfolio Beta:** Used in the context of general equities. The beta of a portfolio is the weighted sum of the individual asset betas, According to the proportions of the investments in the portfolio. E.g., if 50% of the money is in stock A with a beta of 2.00, and 50% of the money is in stock B with a beta of 1.00,the portfolio beta is 1.50. Portfolio beta describes relative volatility of an individual securities portfolio, taken as a whole, as measured by the individual stock betas of the securities making it up. A beta of 1.05 relative to the S&P 500 implies that if the S&P's excess return increases by 10% the portfolio is expected to increase by 10.5%.

Business / Finance / Portfolio Internal Rate Of Return: The rate of return computed by first determining the cash flows for all the bonds in the portfolio and then finding the interest rate that will make the present value of the cash flows equal to the ma MORE

Business / Finance / Portfolio Insurance: A strategy using a leveraged portfolio in the underlying stock to create a synthetic put option. The strategy's goal is to ensure that the value of the portfolio does not fall below a certain level. MORE

Business / Real Estate / Portfolio Loan: A loan originated and maintained by the lender and not sold in the secondary mortgage market. MORE