The historical volatility of a stock is the variation of the returns over a period of time (say, over the last twelve months).
The variation of the returns is usually taken as the standard deviation of the returns.
You need a spreadsheet to calculate historical volatility (see the related link for an example)
The symbol or ticker for the CBOE Volatility Index (VIX)varies depending on your quote server. VIX or .VIX are commonly used along with ^VIX (Yahoo Finance), and $VIX (Schwab).
Beta measures a stock's volatility (the swings up and down in price). The market as a whole has a beta of 1.0, but each stock is determined a beta value from a history of it's stock movements. Riskiness equates to the stock losing value and high beta stocks are more prone to falling faster.
Check out these websites: http://faculty.babson.edu/academic/Beta/CalculateBeta.htm http://www.money-zine.com/Investing/Stocks/Stock-Beta-and-Volatility/
The same - because that is how "typical" would be defined.
In itself it means absolutely nothing.The number has meaning only when you compare it to historical data for several years back for the same stock exchange. Even then, it doesn't say much about whether the stock marketwill climb or fall in the future. It is primarily useful to compare the stock market today with what it was last month or last year.
Stock option volatility is the amount of movement a stock is anticipated to make in a specific time frame. This information is important to investors to enable them to predict if they will make money or not.
Yes, volatility is a word and it means unstable or easily susceptible to external influences.For example, the volatility of the Stock Marketincreases as the economy weakens.
A component of the option price is the implied volatility of the stock. When the implied volatility rises the price of the option rises slightly. Read more about VEGA & DELTA of an option.
Volatility in the stock markets usually implies that the market is about to swing either upward or downward. Where there is a strong stock sell off it can indicate that the market is about to take a downward swing.
Implied volatility is the expected volatility of the underlying stock. The higher the implied volatility, the more the underlying stock is expected to move and thus the more expensive an option becomes due to increased extrinsic value.
Simple answer is that volatility is simply price change. Price changes due to supply and demand so when people trade a stock it affects supply and demand.
The beta of a firm's stock is dependent on the volatility of the stock relative to the overall market. So if the stock's volatility increased relative to the overall market, it's beta would increase as well.
There are quite a few web sites that list stock volatility including Bloomberg. They not only display information about each company, but a long history of their stock prices so you can see the long-term viability of a stock and its options.
Concerns about trade have added to the volatility in the stock market.
In terms of stock analysis, volatility.
There are five volatility indexes that are found on the CBOE.org web page. (CBOE = Chicago Board Options Exchange).
volatility is the relative rate at which the price of a security moves up and down. Volatility is found by calculating the annualized standard deviation of daily change in price. If the price of a stock moves up and down rapidly over short time periods, it has high volatility. If the price almost never changes, it has low volatility