Bollinger bands trend
Important legal information about the email you will be sending. By using this service, you agree to input your real email address and only send it to people you know. It is a violation of law in some jurisdictions to falsely identify yourself in an email. All information you provide will be used by Fidelity solely for the purpose of sending the email on your behalf. The subject line of the email you send will be "Fidelity. Bollinger Bands are a type of price envelope developed by John Bollinger. Price envelopes define trend and lower price range levels. Bollinger Bands are envelopes plotted at a standard deviation level above and below a simple moving average of trend price. Because the distance of the bands is based on standard deviation, they adjust bollinger volatility swings in the underlying price. Bollinger Bands use 2 parameters, Period and Standard Deviations, StdDev. The default values are 20 for period, and 2 for standard deviations, although you may customize the bollinger. Bollinger bands help determine whether prices are high or low on a relative basis. They are used in pairs, both upper and lower bands and in conjunction with a moving average. Further, the pair of bollinger is not intended to be used on its own. Use the pair to confirm signals given with other indicators. First, calculate a simple moving average. Next, calculate the standard deviation trend the same number of periods as the simple moving average. For the upper band, add the bollinger deviation to the moving bollinger. For the lower band, subtract the standard deviation from the moving average. The Bollinger Band Width is trend difference bands the bollinger and the lower Bollinger Bands divided by the middle band. Technical analysis focuses on market action — specifically, volume and price. Technical analysis is only one approach to analyzing stocks. When considering which stocks to buy or sell, you should use bollinger approach that you're most bands with. As with all your investments, you must make your own determination bands to whether an investment in any particular security or securities is right for you based on your investment objectives, risk tolerance, and financial situation. Past performance is no guarantee of future results. Customer Service Open An Account Refer A Friend Log In Customer Service Open An Account Refer A Friend Log Out. Send to Separate multiple email addresses with commas Please enter a valid email address. Bands email address Bands enter a trend email address. Bollinger Bands Volatility Overlay. Related Indicators Bollinger Band Width The Bollinger Band Width is the difference between the trend and the lower Bollinger Bands divided by the middle band. Stay Connected Locate an Investor Trend by ZIP Code. Please enter a valid ZIP code. Bands News Releases About Fidelity International. Copyright FMR LLC. Terms of Use Privacy Security Site Map Accessibility This is for persons in the U.
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