Bollinger Bands: a Complete Guide for Traders exemplified by Good Crypto Charts
In this article, we dive into one of the most popular technical indicators of today. Bollinger Bands were created by John Bollinger in the 1980s. The Bollinger Bands, or BB bands , help to see if a market is oversold or overbought and help traders with analyzing if a market is trending or in a range. Based on these observations, trades can be made accordingly. Good Crypto offers traders over 5,000 cryptocurrency markets on 30+ exchanges, and Bollinger Bands can be enabled on every single one of them. Today, we will 什麼是布林通道(Bollinger Band) review what Bollinger bands are, and go deeper into the most common strategies and their application. Let’s begin!
What are Bollinger Bands?
How are Bollinger Bands calculated? The bands consist of two elements or three lines.
Полосы Боллинджера (BB)
Полосы Боллинджера — это популярный инструмент технического анализа, разработанный Джоном Боллинджером в начале 1980-х гг. Индикатор состоит из трёх полос, рассчитанных 什麼是布林通道(Bollinger Band) относительно цены торгового инструмента. Средняя линия, как правило, выражена 20-дневным простым скользящим средним (SMA) (тип и период линии 什麼是布林通道(Bollinger Band) могут быть изменены трейдером; однако приведенные значения наиболее популярны). SMA служит базовой линией для верхних и нижних полос, которые используются для измерения волатильности, учитывая отношение между полосами и ценой. Верхняя и нижняя полосы рассчитаны как два стандартных отклонения к значению средней линии, однако, это значение также может быть изменено трейдером.
Подробнее о Полосах Боллинджера.
![USDCAD: Williams %R w/ Bollinger Bands [Loxx]](https://s3.tradingview.com/n/NXLHSxtw_mid.png)
Williams %R w/ Bollinger Bands 什麼是布林通道(Bollinger Band) is a Williams %R indicator with Bollinger bands. The Bollinger bands are used to determine when breakouts/breakdowns occur. What is Williams %R? Williams %R , also known 什麼是布林通道(Bollinger Band) as the Williams Percent Range, is a type of momentum indicator that moves between 0 and -100 and measures overbought and oversold levels. The Williams %R 什麼是布林通道(Bollinger Band) 什麼是布林通道(Bollinger Band) may.
How to Use Bollinger Bands® in Forex Trading
Bollinger Bands® are utilised by technical traders in all financial markets including forex. This article will introduce Bollinger Bands® and how they assist traders in technical analysis. It will also provide an overview of top strategies and tips for trading forex with Bollinger Bands® - including trading the trend and the Bollinger squeeze.什麼是布林通道(Bollinger Band)
What are Bollinger Bands® and how to do they 什麼是布林通道(Bollinger Band) work?
Bollinger Bands® are a versatile technical analysis indicator widely used among traders. John Bollinger first developed this indicator as a solution to find relative highs and lows in dynamic markets. The indicator itself is comprised of an upper band, lower band and moving average line.
The two trading bands are placed two standard deviations above and below the moving 什麼是布林通道(Bollinger Band) average (usually 20 periods). Using two standard deviations estimates that 95% of price data will be contained within the two bands.
As a rule of thumb, prices are deemed overbought on the upside when they touch the upper band and oversold on the downside 什麼是布林通道(Bollinger Band) when the reach the lower band.
As price 什麼是布林通道(Bollinger Band) oscillates between the indicators upper and lower extremes Bollinger Bands® become an excellent tool to gauge volatility . When bands contract there is less volatility in the 什麼是布林通道(Bollinger Band) market, which is a great indication to use a range bound strategy . Likewise, Bollinger Bands® will expand as the market becomes more volatile. At these times 什麼是布林通道(Bollinger Band) traders may employ a breakout or a trend-based strategy .
How to trade Forex with Bollinger Bands®
There are several different techniques involved in using Bollinger Bands® to 什麼是布林通道(Bollinger Band) trade the forex markets. The most popular are:
1) Using market trends : Traders can identify entry signals using 什麼是布林通道(Bollinger Band) the bands as a measure of support and resistance .
2) Bollinger Squeeze: Applying the volatility indications of the bands
1) Trading the trend
The chart above shows the EUR/USD chart in an uptrend – depicted by higher highs and higher lows. Using the Bollinger Band® indicator, the lower band is seen as a gauge of support. When price touches the lower band, traders use this as a signal to enter a long (buy) trade. This strategy works for both uptrends 什麼是布林通道(Bollinger Band) and downtrends. Take profit (limit) levels are generally 什麼是布林通道(Bollinger Band) taken from the upper and lower bands depending on trend. In this example, the upper band will be used as the take profit level.
In summary, 什麼是布林通道(Bollinger Band) trading the trend with Bollinger Bands® is relatively simple:
- Identify the trend
- Use upper and lower bands in conjunction with price movement to identify entry points
- Use respective upper and lower band as target levels
2) Trading the Bollinger Band® Squeeze
EUR/USD weekly chart:
As mentioned previously, when the bands contract volatility is 什麼是布林通道(Bollinger Band) low and vice versa. The Bollinger squeeze looks for 什麼是布林通道(Bollinger Band) breakouts above/below the band depending on trend to be used as entry signs.
Highlighted in green shows these breakouts in an uptrend. Traders will look to enter at the indicated green circles. After each entry, 什麼是布林通道(Bollinger Band) it can be seen that the candles are 什麼是布林通道(Bollinger Band) 什麼是布林通道(Bollinger Band) ‘walking the Bollinger‘ (following the upper band). After the 什麼是布林通道(Bollinger Band) breakout candle the bands expand implying greater volatility in 什麼是布林通道(Bollinger Band) the market.
The black shaded circles illustrate the point at which traders will look to take profit before looking for further breakout signals.
什麼是「布林通道」？又該怎麼獲利？一篇文搞懂布林通道設定方式！
布林通道進階操作
當價格接近下軌或在下軌以下，就是買進訊號，因為股價之後高機率上漲，但仍無法判斷長期趨勢。以高端疫苗(6547) 在 2021 年 5 月 ~ 2021 年 8 月為例：
當價格接近上軌或超出上軌時，則可以短期放空，因為股價高機率下跌，但仍無法判斷長期趨勢。同樣以高端疫苗(6547) 在 2021 年 5 月 ~ 2021 年 8 月為例：
布林通道的軌道寬度、均線時間都能根據自己的需求調整，例如：標準差調整成 1 倍或均線改成 60 日等等，可以根據自己的策略去選擇。
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