There are six basic relationship levels:.

Bollinger % B - Forex Trading Indicators

The bands are set 2 standard deviations above and below the day simple moving average , which is also the middle band. Security price is the close or the last trade.

However, it is important to know when to look for overbought readings and when to look for oversold readings. As with most momentum oscillators, it is best to look for short-term oversold situations when the medium-term trend is up and short-term overbought situations when the medium-term trend is down.

In other words, look for opportunities in the direction of the bigger trend, such as a pullback within a bigger uptrend. Define the bigger trend before looking for overbought or oversold readings.

Free download of the 'Bollinger Bands, BB' indicator by 'MetaQuotes' for MetaTrader 4 in the MQL5 Code Base

Chart 1 shows Apple AAPL within a strong uptrend. Pullbacks were shallow as Apple reversed well above the lower band and resumed its uptrend. In a strong uptrend, prices can walk up the upper band and rarely touch the lower band. Conversely, prices can walk down the lower band and rarely touch the upper band in a strong downtrend. This represents a move that is 2 standard deviations below the day moving average. Chart 2 shows the Nasdaq ETF QQQQ within an uptrend that began in March The oversold readings in early July and early November provided good entry points to partake in the bigger uptrend green arrows.

MFI is bound between zero and one hundred. This uptrend was subsequently affirmed with two more signals in early September and mid November. While these signals were good for trend identification, traders would likely have had issues with the risk-reward ratio after such big moves.

Traders might consider using this method to identify the trend and then look for appropriate overbought or oversold levels for better entry points. Surges towards the upper band show strength, but can sometimes be interpreted as overbought. Plunges to the lower band show weakness, but can sometimes be interpreted as oversold. A lot depends on the underlying trend and other indicators. Click here for a live chart. The default parameters 20,2 are based on the default parameters for Bollinger Bands.

These can be changed accordingly.

According to Bollinger, these stocks could be starting new up swings. This scan is just a starting point. Further refinement and analysis are required. According to Bollinger, these stocks could be starting new down swings.

Market data provided by: Commodity and historical index data provided by: Unless otherwise indicated, all data is delayed by 20 minutes.

Bollinguer Bands %b - Metatrader 4 Indicators (MT4) - Binary Options Edge

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