Bollinger Bands

An open-high-low-close chart (also OHLC) is a type of chart typically used to illustrate movements in the price of a financial instrument over time. Each vertical line on the chart shows the price range (the highest and lowest prices) over one unit of time, e.g., one day or one hour. Tick marks project from each side of the line indicating the opening price .

Click here for a live example. Relatively narrow BandWidth a. Amazon Rapids Fun stories for kids on the go. Sometimes the first break fails to hold as prices reverse the other way. There was a move to the upper band in May, but no breakout for a signal.

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The Starter Kits are here to help. Learning Free Training Videos. Creator Are you doing deep data prep and analysis? Downloaded a trial version of Tableau Desktop? Connecting to your data for the first time? Alternatively navigate using sitemap. Indicator Guide Indicator Basics Using Indicators When using indicators, it pays to understand their strengths and weaknesses. Explains basic indicator and trend concepts: A key principle when using indicators: Fibonacci numbers are named after Leonardo Fibonacci, a twelfth century Italian mathematician who discovered the Golden ratio.

Linear regression fits a straight line to the selected data using a method called the Sum Of Least Squares. Overlays can be plotted unadjusted, or to intercept on a selected date.

Price Comparison plots the performance of a stock against an index or a related stock. Similar to Price Comaprison, you can compare bond yields or interest rates that share the same price axis.

A powerful tool for stock selection, Price Ratio is also referred to as Relative Strength and compares the performance of a stock relative to an index or a related stock. Simple, weighted and exponential moving averages are most popular. Simple moving averages are easy to construct, but prone to distortion: Exponential moving averages are more sophisticated than simple moving averages and do not suffer from the same distortions.

Weighted moving averages eliminate the distortion common to simple moving averages, but are more difficult to construct than exponential moving averages.

Wilder moving averages are used mainly in indicators developed by J. Essentially the same as an exponential moving average, they use different weightings, for which users need to make allowance.

Alan Hull developed Hull Moving Average in in his quest to create a moving average that is "responsive to current price activity while maintaining curve smoothness". Hull claims that his moving average "almost eliminates lag altogether and manages to improve smoothing at the same time". Displaced Moving Averages are useful for trend-following purposes, reducing the number of whipsaws compared to an equivalent Exponential or Simple Moving Average.

Filters are employed to reduce the number of whipsaws when using moving average systems. Moving Average Systems Two Moving Averages Fast and slow moving averages provide a powerful measure of trend strength and direction.

A more sophisticated MA system that uses a third moving average to identify ranging markets. Daryl Guppy introduced multiple moving averages to measure trends and identify likely reversals. The indicator compares multiple short-term and long-term exponential moving averages. Sometimes referred to as Percentage Bands, Price Envelopes are plotted at a set percentage above and below a moving average. Ichimoku Cloud is a complete trend trading system, combining leading and lagging averages with traditional candlestick charts.

The Detrended Price Oscillator isolates the short cycle, providing powerful trend signals on divergences. The Moving Average Oscillator simply compares closing price to the moving average. The problem with oscillators is that they often whipsaw.

Trading MACD large swings and divergences provides more reliable signals. The major difference is the percentage scale which enables comparison between stocks. Edwin Coppock designed this oscillator with one sole purpose: Welles Wilder's Directional Movement is one of few indicators that not only provides trend signals but indicates whether a trend is suitable to trade.

Richard Donchian's Channels are used in a number of trading systems to identify entry and exit points in trends. The Linear Regression Indicator is used for trend identification and trend following in a similar fashion to moving averages, but reacts faster than an MA to trend changes.

The Moving Average smooths price data to create a powerful measure of trend direction. It is used to warn of trend changes and to identify whether a stock is trending or ranging. Developed by Dr Alexander Elder, the Elder-Ray indicator measures buying and selling pressure in the market and is often used as part of the Triple Screen trading system.

Donald Dorsey's Mass Index predicts trend reversals by comparing trading range over a 9 day period. Momentum measures trend strength and identifies likely reversal points: Introduced by Norman Fosback, Positive Volume Index identifies bull and bear markets by measuring activity on days when volume is higher. A refinement of Momentum, Rate of Change is designed to fluctuate as a percentage around the zero line.

The Slow Stochastic Oscillator provides more reliable signals than the original indicator, applying further smoothing to reduce volatility and improve accuracy. Happy with both the quality and the price.

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