What is American Shared Hospital Services Volatility?
Volatility is a statistical measure of the dispersion of returns for a given security or market index, it shows how the price swings around its mean. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year. In most cases, the higher the volatility, the riskier the security.
Competitive Comparison of American Shared Hospital Services's Volatility
For the Medical Care Facilities subindustry, American Shared Hospital Services's Volatility, along with its competitors' market caps and Volatility data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
American Shared Hospital Services's Volatility Distribution in the Healthcare Providers & Services Industry
For the Healthcare Providers & Services industry and Healthcare sector, American Shared Hospital Services's Volatility distribution charts can be found below:
* The bar in red indicates where American Shared Hospital Services's Volatility falls into.
American Shared Hospital Services (AMEX:AMS) Volatility Calculation
The annualized volatility is calculated as following:
σA
=
σM
*
√12
=
√ 1/(n-1) ∑(Ri - R')^2
*
√12
Where: σM is the monthly volatility, n is the number of months in the period, Ri is the security's historical monthly returns and R' is the arithmetic mean of monthly returns.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
American Shared Hospital Services (AMEX:AMS) Volatility Explanation
Volatility is a statistical measure of the dispersion of returns for a given security or market index. It’s often measured as standard deviation or variance of historical returns over a certain period. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year.
Volatility reflects the uncertainty or risk of a security’s value. Generally speaking, a higher volatility suggests a higher risk, because it implies a wider fluctuation around average price. This means the price of the security can change dramatically in either direction within a short period. Conversely, a lower volatility means that the security's price is more steady, which suggests a lower risk.
Another measurement of relative volatility is Beta. Beta is a measure of systematic risk of a security or a portfolio in comparison to the market as a whole. Beta is usually compared to 1. A beta of greater than 1 indicates that the security's price will be more volatile than the market.
American Shared Hospital Services Volatility Related Terms
Thank you for viewing the detailed overview of American Shared Hospital Services's Volatility provided by GuruFocus.com. Please click on the following links to see related term pages.
American Shared Hospital Services (American Shared Hospital Services) Business Description
American Shared Hospital Services provides stereotactic radiosurgery equipment and Advanced radiation therapy and related equipment. It currently provides Gamma Knife units to medical centers and stand-alone facilities. The company, along with its subsidiaries, operates through the following operations: Gamma Knife, Advanced Radiation Therapy Equipment and Services, and Proton Beam Radiation Therapy Operations. It generates most of its revenue from the domestic market.
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