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Function File: bolling (asset, samples)

Function File: bolling (asset, samples, alpha)

Function File: bolling (asset, samples, alpha, width)

Function File: [movavg, upperband, lowerband] = bolling (asset, samples, ...)

If no output is requested, plot the bollinger bands of the asset. If output is requested, return the values for the bollinger bands. If given, alpha is the weighting power of the moving average; 0 (default) is the simple moving average, see movavg for the full definition. width is the number of standard deviations to plot above and below the moving average (default: 2).

See also: movavg, candle, dateaxis, highlow, pointfig.

Package: financial