Investors Trading Academy---Bollinger Bands布林通道

Investors Trading Academy---Bollinger Bands布林通道
發佈日期：2014年11月27日
Bollinger Bands are volatility bands placed above and below a moving average. Volatility is based on the standard deviation, which changes as volatility increases and decreases. The bands automatically widen when volatility increases and narrow when volatility decreases. This dynamic nature of Bollinger Bands also means they can be used on different securities with the standard settings. For signals, Bollinger Bands can be used to identify M-Tops and W-Bottoms or to determine the strength of the trend.
By Barry Norman, Investors Trading Academy.
布林通道放置的上方和下方均线震荡带。波动是基于标准偏差，从而改变作为波动的增加和减少。该乐队将自动扩大时，波动幅度增大和狭窄时，波动性降低。布林线的这种动态性也意味着他们可以与标准设置不同的证券中。对于信号，布林线可以用来识别M-上衣和W-下装或确定趋势的力量。