Why is the standard deviation of a portfolio typically less than the weighted average of the standard deviations of the assets in the portfolio, while a portfolios beta equals the weighted average of the betas of the stocks in the portfolio ...

The standard deviation of an asset is a measure of its total ris ...

Why is the standard deviation of a portfolio typically less than the weighted average of the standard

Question:

Why is the standard deviation of a typically less than the weighted average of the standard deviations of the assets in the while a portfolios beta equals the weighted average of the betas of the in the Stocks
Stocks or shares are generally equity instruments that provide the largest source of raising funds in any public or private listed company's. The instruments are issued on a stock exchange from where a large number of general public who are willing... Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...