Algorithmic Trading in Python: Bollinger Bands
Bollinger Bands are a type of technical analysis indicator created by John Bollinger. The bands serve as a trading envelope that provide a feel for a relative measurement for high and low points that can be used as overbought and oversold levels.
Bollinger Bands typically include two boundary lines (upper and lower bands) and one moving average line (烛台Bollinger Bands 烛台Bollinger Bands simple moving average).
外汇交易趋势指标 — 布林带指标详解及运用
对于很多新手来说，布林带（Bollinger Bands）仍是一个陌生的交易指标，但实战中确是一个非常好用的趋势判断工具。在某些条件下，布林带能够有效提示外汇交易价格波动和走向，它最早由约翰·布林 (John Bollinger) 在上世纪80年代针对股票市场提出。如今是MetaTrader 4交易平台上的一种标配工具。
Bollinger Bands (BB)
Bollinger Bands (BB) are a widely popular technical analysis instrument created by John Bollinger in the early 1980’s. Bollinger Bands consist of a band 烛台Bollinger Bands of three lines which are plotted in relation to security prices. The 烛台Bollinger Bands line in the middle is usually a Simple Moving Average (SMA) set to a period of 20 days (the type of trend line and period can be changed by the trader; however a 20 day moving average is by far the most popular). The 烛台Bollinger Bands SMA then serves as a base for the Upper and Lower Bands which are used as a way to measure volatility by observing the relationship between the Bands and price. Typically the Upper and Lower Bands are set to two standard deviations away from the SMA (The Middle Line); however the number of standard deviations can also be adjusted by 烛台Bollinger Bands the trader.
Read more about Bollinger Bands.
Bermaui Variety Averages 烛台Bollinger Bands Bands is a reverse Bollinger Bands indicator with Loxx's Variety Moving Averages and Loxx's Expanded Source Types. What are Bermaui Bands? Bermaui Bands (BB) is a technical analysis tool that help filter between ranging and trending price movements. A buy signal is made when price crosses above the upper band, a sell signal is made.
You can customize your charts with Bollinger Bands and over 50 indicators, TrendLines and systems/stops. If you are not sure what an indicator does, just 烛台Bollinger Bands click on the ? for a quick explanation.
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Control the number of days shown in the chart by clicking on the + - or expand/contract the data by dragging the 烛台Bollinger Bands highlighted area.
To add additional indicators to the chart select from the Oscillator list.
In addition to the traditional chart types such 烛台Bollinger Bands as Western bars or Japanese candlesticks we offer Bollinger Bars, our exclusive marriage of western bars and candlesticks encoded in color:
- The area between the opening price and the closing price is known as the body
- When the close is higher than the open the body is green .
- When the close is lower than the open the body is 烛台Bollinger Bands red .
- The blue sections of the bar fill out the remainder of the range, from the top of the body to the high and the bottom of the body to the low
In addition, the signals for the Bollinger Bands Methods are indicated on the charts:
For PRO users only: Arrows plotted on the charts indicate 烛台Bollinger Bands 烛台Bollinger Bands 烛台Bollinger Bands a signal for John Bollinger's four Methods. The arrow is green or red, up/down, to depict the bullish or bearish trend.
The number near the arrow indicates the system number generating the signal, per the following legend: