While these risk ratios can not always accurately predict future results, alpha and beta help to differentiate between good and bad investments over a given period of time. (cnbc.com)
The standard deviation simply expresses the degree of price movement around the average price over a given period of time. (coindesk.com)
Since premiums are high, you might end up spending more on your insurance policy than what the death benefit will pay over a given period of time. (pocketsense.com)