Assertion: beta | /r/CapableOf | change through time
Facets:
Source sentences:
text: When using beta, there are a number of issues that you need to be aware of: (1) betas may change through time; (2) betas may be different depending on the direction of the market (i.e. betas may be greater for down moves in the market rather than up moves); (3) the estimated beta will be biased if the security does not frequently trade; (4) the beta is not necessarily a complete measure of risk (you may need multiple betas).
text: A stock's beta will change over time because it compares the stock's return with the returns of the overall market.
text: When using beta, there are a number of issues that you need to be aware of: (1) betas may change through time; (2) betas may be different depending on the direction of the market (i.e. betas may be greater for down moves in the market rather than Up moves); (3) the estimated beta will be biased if the security does not frequently trade; (4) the beta is not necessarily a Complete measure of risk (you may need multiple betas).