screamer.js
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    Function BollingerBands

    • Mean +/- num_std rolling standard deviations.

      Parameters

      • windowSize: number = 20

        Trailing-window length.

      • numStd: number = 2.0

        Number of rolling-std offsets for the upper/lower bands.

      • startPolicy: string = "strict"

        Warmup behaviour.

      Returns ScreamerOp

      https://screamer.readthedocs.io/en/latest/ for the Python reference and full details.

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