This site provides historical price information that is useful in estimating returns, standard deviation of returns, and covariance of returns for individual securities. (
finance.yahoo.com
)
Do you recognize the person behind this Web site? This site contains risk measures that can be used to compare individual stocks to an average hypothetical portfolio. Start the First Time User's demo for real applications of concepts in this chapter. (
www.financialengines.com
)
This site offers an interactive calculator related to the effects of varying stock and cash investment proportions. (
www.moneychimp.com/articles/volatility/standard_deviation.htm
)