March 20, 2023

Bollinger bands are a volatility indicator, utilized by merchants to establish areas of assist and resistance and areas during which an asset could be experiencing elevated or decreased volatility. Bollinger bands are calculated from three traces drawn onto a worth chart.

The primary is the easy shifting common (SMA) of an asset’s worth over a given interval – normally 20 days. The higher band is the SMA plus two customary deviations which have been multiplied by two, whereas the decrease band is the SMA minus two customary deviations which have been multiplied by two.

The precise technique for calculating the completely different Bollinger bands is as follows:

  • The higher band = 20-day SMA + (20-day customary deviation multiplied by 2)
  • The decrease band = 20-day SMA – (20-day customary deviation multiplied by 2)
  • The SMA is calculated by including up the closing costs in a set interval and dividing that quantity by the whole variety of durations

Many merchants use Bollinger bands to point areas of market volatility – they usually assume that the extra the bands deviate from the SMA, the extra unstable the underlying market. In distinction, if the bands are slim then many merchants take this to indicate that the underlying market worth is steady.

When the bands widen, merchants confer with it as a Bollinger bounce and imagine that it’s indicative of an upcoming retracement. Narrowing bands are often called a Bollinger squeeze and that is taken to point an upcoming breakout within the underlying asset.

Bollinger bands are a lagging indicator, which some take into account to be a disadvantage. Which means they search to verify traits fairly than predict future market actions. Indicators which search to foretell future market actions are often called main indicators, and these embrace the relative energy index (RSI) or the stochastic oscillator.

Nonetheless, lagging indicators resembling Bollinger bands can be utilized to verify a pattern earlier than coming into a place, though that is most successfully accomplished at the side of different technical indicators. Which means a dealer would possibly miss out on the beginning of a pattern, however they nonetheless stand to revenue as soon as they’ve used a lagging indicator, or a set of lagging indicators, to verify the pattern.

If you happen to don’t love the usual Bollinger Bands, you’ll be able to attempt the Unique Bollinger.

Unique Bollinger for MetaTrader 4 :

Unique Bollinger for MetaTrader 5 :

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