Risk ratio

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Risk Ratio

An analysts' estimate of the likelihood that a security will increase or decrease in price by a certain amount. For example, if a security currently trades at $50, but an analyst believes it could increase $30 but could also decrease $10, the security is said to have a risk ratio of 3:1.

Risk ratio.

Some investors and financial analysts try to estimate the risk an investment poses by speculating on how much the investment is likely to increase in value as opposed to how much it could decline.

For example, a stock priced at $50 that analysts think could increase to $90 or decrease to $30 has a 4:2 risk ratio, because they estimate the stock could go up $40 but down $20.

Critics point out that it is impossible to provide an accurate estimate of future prices, rendering risk ratios meaningless.

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Births, congenital anomalies, and standardized risk ratios (95% Cls) within 2 km of the landfill sites, 1983-1997.
When the data were analyzed according to method of birth control used, both injection and oral hormonal contraception methods were associated with decreased adjusted risk ratios.
When the data were analyzed according to method of birth control used and adjusted for potential confounders, both injection and oral hormonal contraception methods were associated with decreased adjusted risk ratios.
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A method to directly estimate risk ratios in cohort studies of common outcomes.
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The topics include presentation modes, hypothesis testing, regression analysis, odds ratios and relative risk ratios, and nonparametric tests.
Liew and colleagues then estimated hazard ratios for receiving a diagnosis of HKD or using a medication for ADHD, as well as risk ratios for behavioral problems in children after prenatal exposure to acetaminophen.
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