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    Chaikin Volatility (CHV)
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      Chaikin Volatility (CHV)

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        Article summary

        The Chaikin Volatility (CHV) study is a technical indicator that measures volatility by comparing the spread between security's High and Low prices over a period (not including gaps in price movements). CHV is calculated as the difference between two EMAs of a volume-weighted Accumulation/Distribution (A/D) line.

        CHV = (EMAn [H-L] - EMAi [H-L]) / EMAi [H-L] * 100

        where:
        EMAn [H-L] – the Exponential Moving Average of High and Low prices for n-period (Length)
        EMAi [H-L] – the Exponential Moving Average of High and Low prices for i-period (ShiftLength)

        Chaikin Volatility

        INPUTS

        InputDescription
        LengthThe number of periods the study uses to calculate the EMA
        ShiftLength
        		The number of periods the study uses to calculate the EMA a few periods ago

        PLOTS

        The plot renders the data you are working with on the chart. You can show/hide a plot by clicking the corresponding item in the settings. Every plot has a set of basic settings that you can change: color, weight, and type.

        PlotDescription
        ChaikinVltThe Chaikin Volatility plot
        ZeroThe zero level
        Color

        Click the color rectangle under the plot's name to open the palette. Use the slider at the bottom to set the opacity of the color.

        Palette

        To create a custom color:

        1. Clickto open the color picker
        2. By using the slider at the bottom, adjust the main color
        3. Then, set a shade for the main color on the palette

        The custom-created colors are added to your palette. To remove a custom color, drag it out of the palette.

        Weight
        Change the value (in px) to adjust the thickness of the plot.
        Type
        The following plot types are available:
        • Linear. The plot is displayed as a line.
        • Column. The plot is displayed as a histogram.
        • Difference. The plot is displayed as a line which represents the difference between High and Low prices of the bar.
        • Points. The plot is displayed as points.
        • Text above candle. The plot is displayed as the price labels above candles on the chart.
        • Text below candle. The plot is displayed as the price labels below candles on the chart.
        • Triangle above candle. The plot is displayed as triangles above candles on the chart.
        • Color candle. The candles on candle-type charts are highlighted with specified colors.

        OVERLAYING

        Check Overlaying to display the study on the chart. Otherwise, the study is shown in a study pane down below.

        Note: To reset the settings, click Restore to Default next to the SETTINGS: STUDY'S TITLE
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