You should prefer to sell the stock when it’s reaching the upper or closer to it. As there are high chances once it touches the upper band reversal in trend happens and you may the opportunity. On the other hand, when the prices are trading at lower band and the later shows a turn towards upside, the traders may take the opportunity to go long or buy the shares.

I am a surgeon by profession and a stock market trader by passion. I have been in stock market since 2009 and had attended training sessions with leading broker ICICI direct. My passion has turned me into an AMFI-registered Mutual Fund Distributor and a business partner with ICICI direct. TradingTechnicals is a platform for me to share my knowledge and experience with the beginners in trading and finance. Target Price for the short position is price corresponding to the lower band.

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Using Bollinger Bands trading strategy traders can predict when a stock is overbought or oversold. When stock price moves close to the upper band, it indicates overbuying. Similarly, when price moves close to the lower band, the stock is oversold. Before John Bollinger proposed his idea, there were other efforts to capture market volatility. As early as in 1960, Wilfrid Ledoux used monthly highs and lows of the Dow Jones Industrial Average to predict long-term market movement. After that, the history of trading bands got lost in time, until it was resurrected by Hurst.

bollinger band settings

Find details like How it works, Understand the tool with an example, how does it helps a trader, why it is a good tool, limitations & more. We at Enrich Money do not provide any stock tips to our customers nor have we authorised anyone to trade on behalf of others. If you come across any individual or organisation claiming to be part of Enrich Money and providing such services, kindly intimate us immediately. Setting a higher number of periods will make it less reactive and result in smoother lines. They assist us in monitoring whether a price is high or low compared to its recent average and predict when it might rise or fall back to that level.


Then, calculate the standard deviation over the same periods as the simple moving average. Here, standard deviation measures the dispersion of price values from the average value which is calculated by taking the square root of variance. This can be observed at various points on the daily chart of Tata steel between 25th July 2014 to 5th November 2015 below. Targets can be set using Pivot points or Fibonacci levels.

A good buyer tries to accumulate stock for the long-term, hence, doing it on dips. In this example, I’m thinking you are an divestment meaning investor and holding this, while a trader may not. As you can see, this stock gave buyers six opportunities in ten years.

Similarly, the breakout can be confirmed using RSI and MACD . Further, when the prices break out of the lower or upper band and if they continue in the same direction, it signals a strong continuation pattern. Breakout strategy can also be applied using squeeze pattern as discussed in the next point. Both upper and lower bands are basically defining 2-standard deviations +/- backed by a 20-day simple moving average .

To understand the Bollinger band, you should know the basics of technical analysis so that you can interpret the results from the chart. As the name suggests, the Bollinger band consists of three bands named upper, lower, and middle bands. Bollinger band comprises the volatility indicator. To measure volatility we use standard deviation therefore Bollinger Bands are price envelopes drawn at a standard deviation level above and below the price’s simple moving average. In the Bollinger band, we use 2x times of standard deviation which gives approximately 95% accurate results. The line above the SMA is denoted as upper Bollinger line and the line below as lower Bollinger band.

For instance, if prices pull back but stay within the middle band and again move forward to the upper band, it discloses lots of strength in the stock. In short, the upper band is deemed as the profit target if the price drops below to the lower band and suddenly glides up and crosses the moving average. During an uptrend, traders tend to sell their stocks before the reversal occurs.

Investments in securities market are subject to market risk, read all the related documents carefully before investing. Squeeze is a part in the price envelope where the three lines come close to each other, indicates less volatility. Traders look for squeezes in Bollinger Bands to anticipate future market volatility and opportunity to trade. You buy when stock prices are closer to the lower band and forming a W pattern in the lower band.

Bollinger bands, over time, have become the most used technique among traders. It provides them an in-depth overview of the trend. Without thinking twice, traders should completely avoid investing in long traders if the downtrend phase is steady at the lower bands. In simple words- during a strong downtrend, the prices are likely to stay constant alongside the lower band. That’s why technical traders pay special attention to the uptrend and constantly monitor its behavior to disclose the varying situations of weakness and strength of the stock.

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For different securities, different variable settings can be chosen. Typically traders use 20-day simple moving average with a standard deviation of 2. Some traders may use exponential moving average too. A strong trend continuation is signaled if the price falls below or breaks above the moving average band with strong volume and continues to move in the same direction.

bollinger band settings

This strategy uses the RSI indicator together with the Bollinger Bands to sell when the price is above the upper Bollinger Band . This simple strategy only triggers when both the RSI and the Bollinger Band indicators are at the same time in a overbought or oversold condition. In such situations, traders also observe the signs of ‘downtrend strength,’ especially when the price pullbacks or stays below the middle band. However, it can also indicate the reversing of the trend if the prices break above the upper band.

Bollinger Bands and Day Trading Downtrends

The longer the duration of the squeeze, the higher will be the strength in the move. This can be observed at various points on the daily chart of TCS between 16th March 2020 to 15th April 2021 below. We have already discussed it in our YouTube videos. Next, calculate the standard deviation over the same number of periods as the simple moving average. For the upper band, add the standard deviation to the moving average. For the lower band, subtract the standard deviation from the moving average.

Limitations (Cons) of Bollinger Bands

Lagging indicators are best used in combination with leading indicators. But you should be aware of this common mistake because breakout should never be noticed as a trading signal. This post would have given you a fair idea on how to trade Bollinger Bands, Go ahead and perform some paper trades to check its efficiency.

However, relatively high should not be regarded as bearish or as a sell signal. Strategy using the Bollinger band with the Keltner Channels . Watch for the Bollinger bands (blue/red lines) squeezing inside the Keltner Channels for a breakout – this could be up or down so use in conjunction with other indicators. The blue band is the 2 standard deviation from price, the red is 3 standard deviations.

The gaps between the bands from moving average line is a measurement of market volatility. When market is volatile, the bands drift farther from moving average graph and contract when volatility decreases. It also tells you when market sentiment is changing.

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