布林带Bollinger BandsBOLL

Bollinger Bands布林带

技术指标Stock TechnicalP0 核心 CoreVolatility适用:美股Applies to: US stocks

定义Definition

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Inputsclose输出Outputoverlay/volatility库LibraryBBANDS

数据来源:C。Data source: C. 公开知识,不构成投资建议。Public knowledge, not investment advice.

在热门美股上查看布林带的实时计算值 →See Bollinger Bands computed live on popular US stocks →