布林带BOLL

Bollinger Bands

技术指标P0 核心Volatility适用:美股

定义

MA as the middle band, standard deviation as the bandwidth.

Mid=MA(C,20), Upper/Lower=Mid±2σ

{
  "period": 20,
  "stddev": 2
}

Narrowing bands (squeeze) signal an impending move; price riding the upper band = strength.

输入close输出overlay/volatility库BBANDS

数据来源:C。公开知识,不构成投资建议。

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