Patent ID: 7203661

Claim:
A method for making a second financial analysis output having a second computed market-based valuation for property, the financial analysis output being made by steps including: controlling a digital electrical computer processor to manipulate electrical signals in generating a market-based valuation for the property, wherein the property is from a group consisting of a tax-exempt security and a portfolio of tax-exempt securities, the market-based valuation reflecting at least one from a group consisting of expected return under a performance scenario, a price, and a quantitative description of risk, as part of a financial analysis output; electronically communicating at least some of the financial analysis output as input to a second digital electrical computer having a second programmed processor, the second digital electrical computer storing the input in memory accessible to the second programmed processor; generating the second market-based valuation reflecting computation of a current market-based yield/discount rate for the property with the second digital electrical computer and the input; and generating the second financial analysis output, including the second market-based valuation, at an output means electrically connected to said second digital electrical computer.