Bollinger bands strategy ( the COMPLETE how-to guide! )
- April 26, 2016
- Posted by: E. Glynn
- Category: Forex Blog
Bollinger bands strategy
( the COMPLETE how-to guide! )
If you are looking for some new trading ideas to add into your trading tool kit, Then a simple Bollinger bands strategy could be it.
to tighten up our trading effectiveness and cut down on losers!
You cant go wrong by adding an understanding of Bollinger band strategy into your analysis mix.
I am going to show you four different Bollinger band trading strategies.
– the double top formation.
– the double bottom formation.
– the Bollinger band squeeze.
– Bollinger bands as support and resistance.
– And, riding the bands.
Bollinger bands explained:
So what are they and what’s their purpose?
Bollinger Bands provide a relative benchmark for price highs and lows, they offer a statistical perspective on asset price movement.
Prices are high at the upper band and low at the lower band relative to the simple moving average of the previous market action.
There have been numerous tests and statistical studies of the effectiveness of the application of Bollinger bands to trading financial instruments.
The bands are a measure of how far price is from a simple moving average. The upper and lower band are both set at 2 standard deviations away from that simple moving average.
If the price begins to push in the direction of the upper or lower band it could be an indication of the market beginning to trend in that direction.
And that is the value of a Bollinger band strategy right there!
Getting an indication of a trending market could help you ride the trend to its completion.
Bollinger bands on a chart:
The particular settings are up to the individual trader It differs from person to person.
But the standard Bollinger band formula is:
- A 20 period simple moving average.
- The upper band set 2 standard deviations above the MA.
- The lower band set 2 standard deviations below the MA.
And there you have it, set up and ready to go.
Bollinger bands strategy:
How to use Bollinger bands with Double bottoms and double tops, trading the M and W!
Double top formation:
The M pattern is commonly known as the double top, using a Bollinger band strategy can add more meaning to this term in practice.
When prices are repelled by the top band twice it can mean that the market has run out of steam and a race to the bottom band could occur, these instances are a feature of volatility within the market.
In the above chart, prices were repelled twice, and then pushed down to the bottom band.
This double top also marked the beginning of a downtrend.
In this Bollinger bands strategy, you should look for three things to happen to pick out a double top formation and confirm the pattern.
- Firstly the price puts in a reaction high to the upper band.
- Next a pullback to the simple moving average.
- Then price moves back to the first high but will fail at or below the upper band.
The waning momentum causes the failure of the second high, we can then look for confirmation of the top with a break of support and I like to see two candles close whose real bodies are below the MA line.
Double bottom formation:
The opposite will also occur regularly at significant lows.
Where prices drop to the bottom band twice in short order and then are repelled upwards, beginning an uptrend in the market.
In the chart above two W patterns formed in the uptrend, adding weight to the trend and signifying that a trader should stick with the trend.
There is a four step process in this Bollinger bands strategy to confirm a W bottom is in place.
- Firstly a low forms, usually below the lower band.
- next a retracement to the middle band.
- then a new low forms but will hold on or above the lower band showing a slowing of downside momentum.
- And lastly, the pattern is confirmed when the price rallies to the upper band and completes two candles whose real bodies are above the middle band.
A trader should always wait until all of the four steps are complete before trading the move. this will reduce false signals and spare your capital in the long run.
I will commonly use a stop loss order to trade this setup, using the higher ‘price low’ of the formation as the stop loss position.
Bollinger band squeeze:
The Bollinger band squeeze happens when price movements contract to a narrow range.
This causes the Bollinger bands to move inwards towards each other.
It is almost like a pressure is building within the market and it will lead to a sharp movement in prices sooner rather than later.
In the example above, a squeeze always occurred before any significant move in prices.
It is a valuable indication of the possibility of volatility ahead.
So a trader will always be aware of the position and trend in the Bollinger bands. And if you notice the Bollinger bands ‘squeeze’ together, you can start to position yourself because a significant price movement is straight ahead.
How does it work?
When trading using this Bollinger bands strategy, we are looking for contraction in the bands. Above is the EURCHF 60 minute chart lets see what sort of signals are generated from it.
The chart above shows 20 point increments in EUR/CHF, every time the Bollinger band width is approaching 0.0010 or about 10 points, we get an average move away from the moving average of about 40 points sometimes more.
In the above case, a trader could use the squeeze as a signal generator, a signal is generated when:
- the bands squeeze to within about 10 points
- and a full candle completes above or below the moving average line.
depending on which side the candle completes that is the side you trade.
So, if a candle completes above the MA, then you go long, and if a candle completes below you go short. your stops should be placed at the opposite extreme of the candle.
Bollinger bands as support and resistance:
Along with giving the trader an indication of future volatility ahead, this Bollinger bands strategy will show support and resistance in a trending market, often repelling prices back into the trend once more.
In both the downward trend and the upward trend i the chart above, the bands acted as consolidation points.
The fact that prices were repelled by the bands showed the trader that they could stick with the trend.
Riding the bands:
Another Bollinger bands strategy is riding the bands, this is when we use the bands as a trend recognition tool.
During strong trend moves, the candles tend to almost stick to the upper or lower band.
This occurrence shows the trader that the trend is likely to continue and has power behind it.
John Bollinger, the bands creator, calls a move that touch the bands a ‘tag’ of the band. this is not exactly a signal but it does denote a strengthening or weakening market.
Take note for a second;
the bands are placed 2 standard deviations away from the 20 period simple moving average on both sides. So the bands contain 95.6% of all the price moves in the last 20 periods.
If the price tags the upper or lower band, it shows us that there is significance in that move. Because it is more powerful than 95.6% of all the moves in the last 20 periods.
IF a powerful move occurs, it can be common for the simple moving average to act as support for the price. The price will usually stay above or below the SMA in a trend move. This knowledge can be used in managing your position when you are trend trading.
Things to take away:
When used alone the bands offer little in the way of timing or trade entry indicators.
- The Bollinger bands do give the trader a useful benchmark to judge how the price action is likely to act given certain action.
- They can be a great tool to measure volatility, or lack thereof, in the market.
- And they can show you where likely support and resistance might occur within a trend.
- Bollinger band strategy uses these phenomena to trade trend moves within a market
These points alone are evidence enough that we all should take heed of the bands!
If you would like more info on trading strategies why not check out our day trading strategies post!
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