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Response:

Calculated Shard: 81 (from laksa062)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa081.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/\')), getAhrefsUnparsedNoserviceFromURL(\'https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/","crawl_time":1775849666,"first_indexed_time":1743951151,"http_code":200,"src_unparsed":"com,ftmo!academy,\/lesson\/bollinger-bands-technical-indicator\/ s443","src_root_hash":"17013705588627355681","history_drop_reason":null,"meta_title":"Bollinger Bands: Technical Indicator | FTMO Academy","meta_descriptions":["Master Bollinger Bands for smarter trading. Identify trends, catch breakouts, and optimise your forex, stock, or crypto strategies."],"attrs_boilerpipe_text":"Find out how\nBollinger Bands\ncan enhance your trading strategy. Learn to spot trends, identify breakouts, and trade\nforex\n,\nstocks\nor\ncrypto\nwith confidence!\nTable of Contents\nWhat Are Bollinger Bands?\nBollinger Bands description\nHow Do Bollinger Bands Work?\nUsage of Bollinger Bands\nBollinger Bands Trading Strategies for Forex, Stocks or Crypto\nBollinger Bands Breakout Strategy (squeeze)\nBollinger Bands Reversal Strategy (support and resistance)\nKey Takeaways\nWhat Are Bollinger Bands?\nBollinger Bands\nare a popular tool in technical analysis, primarily due to their applicability across nearly all markets. They were named after their creator, John Bollinger, who developed this indicator in the 1980s. On a chart, they appear as three lines forming an envelope within which the price fluctuates.\nBollinger Bands description\nUpper band:\n20-day Simple Moving Average (SMA 20) + 2 times the standard deviation\nMiddle line:\n20-day Simple Moving Average (SMA 20)\nLower band:\n20-day Simple Moving Average (SMA 20) – 2 times the standard deviation\nThe standard deviation values can be adjusted depending on the trading style and asset. For instance, when using a 50-period moving average, a multiplier of at least 2.1 is recommended, whereas for shorter periods, this factor may be lower than 2.\nHow Do Bollinger Bands Work?\nBollinger Bands measure market\nvolatility\n, helping traders determine whether the market is in an accumulation phase or trending. This, in turn, provides signals for potential trend beginnings. These signals can be observed through the expansion and contraction of the bands, which adapt to market conditions based on volatility.\nUsage of Bollinger Bands\nIdentifying overbought and oversold areas:\nThis approach is popular among investors who use Bollinger Bands to assess whether an asset is undervalued or overvalued.\nDetermining trend reversals:\nBollinger Bands can help identify trend reversals. For instance, in a strong downtrend, if the price moves above the lower Bollinger Band, this may indicate a weakening trend and a potential reversal.\nUsing deviations as support and resistance levels:\nthe lower deviation is a support level, and the upper deviation is a resistance level.\nMeasuring market volatility:\nThe contraction and expansion of Bollinger Bands indicate volatility. When the bands are close together, it signals low volatility, whereas when they widen apart, it indicates high volatility.\nBollinger Bands Trading Strategies for Forex, Stocks or Crypto\nBollinger Bands provide versatile and effective trading strategies applicable to\nForex\n,\nstocks or\n \ncrypto\nmarkets. Two of the most popular strategies are the\nbreakout strategy\nand the\nreversal strategy\n, which enable traders to capitalize on volatility shifts and identify precise entry and exit points for improved trading performance\nBollinger Bands Breakout Strategy (squeeze)\nThis strategy is based on the contraction and expansion of Bollinger Bands, followed by a breakout of one of them. A Bollinger Bands squeeze signals an accumulation zone and the preparation for a trend.\nStrategy conditions:\n1. Both Bollinger Bands must be squeezed.\n2. A subsequent breakout of one of the bands.\n3. If the lower band is broken, it is a signal for a short position.\n4. Conversely, if the upper band is broken, it indicates a long position.\nBollinger Bands Reversal Strategy (support and resistance)\nThis strategy utilises the upper and lower Bollinger Bands as support and resistance levels to trade trend reversals. To improve confirmation and reduce false signals, traders may use price action for additional validation.\nStrategy conditions:\n1. A touch of the upper or lower Bollinger Band\n2. For a short position, wait for confirmation with a bearish candlestick after touching the upper band.\n3. For a long position, wait for the lower band to be touched, followed by the formation of a bullish candlestick.\nKey Takeaways\nBollinger Bands measure market volatility and consist of three lines: an upper band, a lower band, and a middle (20-day SMA) line.\nBands expand and contract to indicate high or low volatility, signalling potential market breakouts or reversals.\nTo increase signal accuracy, it is advisable to confirm Bollinger Band signals with other indicators such as\nVWAP\n,\nRSI\n,\nATR\n, or\nprice action\n.\nTouching Bollinger Bands isn’t an automatic buy or sell signal; price can stay beyond bands, especially during strong trends.","attrs_markdown":"[![logo](https:\/\/academy.ftmo.com\/wp-content\/uploads\/2025\/08\/logo_academy.svg)](https:\/\/academy.ftmo.com\/)\n\n- [FTMO Academy](https:\/\/academy.ftmo.com\/)\n- [Psychology Course](https:\/\/academy.ftmo.com\/psychology-course)\n- [Client Area](https:\/\/trader.ftmo.com\/)\n- [Start FTMO Challenge](https:\/\/trader.ftmo.com\/start-challenge)\n\n![burger](https:\/\/academy.ftmo.com\/wp-content\/themes\/academy\/public\/images\/burger.svg)\n\n![burger](https:\/\/academy.ftmo.com\/wp-content\/themes\/academy\/public\/images\/burger-close.svg)\n\n- [FTMO Academy](https:\/\/academy.ftmo.com\/)\n- [Psychology Course](https:\/\/academy.ftmo.com\/psychology-course)\n- [Client Area](https:\/\/trader.ftmo.com\/)\n- [Start FTMO Challenge](https:\/\/trader.ftmo.com\/start-challenge)\n- [![Theme switch](https:\/\/academy.ftmo.com\/wp-content\/themes\/academy\/public\/images\/dark-theme.svg)Swich theme]()\n\n![](https:\/\/academy.ftmo.com\/wp-content\/uploads\/2025\/03\/Bollinger-Bands.jpg)\n\n- [Technical Analysis](https:\/\/academy.ftmo.com\/category\/trading-analysis\/technical-analysis\/)\n\nShare\n# Bollinger Bands: Technical Indicator\n***\nFind out how **Bollinger Bands** can enhance your trading strategy. Learn to spot trends, identify breakouts, and trade **forex**, **stocks** or **crypto** with confidence\\!\n\nTable of Contents\n\n[Toggle](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/)\n\n- [What Are Bollinger Bands?](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#What_Are_Bollinger_Bands \"What Are Bollinger Bands?\")\n  - [Bollinger Bands description](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Bollinger_Bands_description \"Bollinger Bands description\")\n- [How Do Bollinger Bands Work?](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#How_Do_Bollinger_Bands_Work \"How Do Bollinger Bands Work?\")\n  - [Usage of Bollinger Bands](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Usage_of_Bollinger_Bands \"Usage of Bollinger Bands\")\n- [Bollinger Bands Trading Strategies for Forex, Stocks or Crypto](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Bollinger_Bands_Trading_Strategies_for_Forex_Stocks_or_Crypto \"Bollinger Bands Trading Strategies for Forex, Stocks or Crypto\")\n  - [Bollinger Bands Breakout Strategy (squeeze)](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Bollinger_Bands_Breakout_Strategy_squeeze \"Bollinger Bands Breakout Strategy (squeeze)\")\n  - [Bollinger Bands Reversal Strategy (support and resistance)](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Bollinger_Bands_Reversal_Strategy_support_and_resistance \"Bollinger Bands Reversal Strategy (support and resistance)\")\n- [Key Takeaways](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Key_Takeaways \"Key Takeaways\")\n## What Are Bollinger Bands?\n**Bollinger Bands** are a popular tool in technical analysis, primarily due to their applicability across nearly all markets. They were named after their creator, John Bollinger, who developed this indicator in the 1980s. On a chart, they appear as three lines forming an envelope within which the price fluctuates.\n\n### Bollinger Bands description\n- **Upper band:** 20-day Simple Moving Average (SMA 20) + 2 times the standard deviation\n- **Middle line:** 20-day Simple Moving Average (SMA 20)\n- **Lower band:** 20-day Simple Moving Average (SMA 20) – 2 times the standard deviation\n\nThe standard deviation values can be adjusted depending on the trading style and asset. For instance, when using a 50-period moving average, a multiplier of at least 2.1 is recommended, whereas for shorter periods, this factor may be lower than 2.\n\n## How Do Bollinger Bands Work?\nBollinger Bands measure market **volatility**, helping traders determine whether the market is in an accumulation phase or trending. This, in turn, provides signals for potential trend beginnings. These signals can be observed through the expansion and contraction of the bands, which adapt to market conditions based on volatility.\n\n### Usage of Bollinger Bands\n- **Identifying overbought and oversold areas:** This approach is popular among investors who use Bollinger Bands to assess whether an asset is undervalued or overvalued.\n- **Determining trend reversals:** Bollinger Bands can help identify trend reversals. For instance, in a strong downtrend, if the price moves above the lower Bollinger Band, this may indicate a weakening trend and a potential reversal.\n\n- **Using deviations as support and resistance levels:** the lower deviation is a support level, and the upper deviation is a resistance level.\n\n- **Measuring market volatility:** The contraction and expansion of Bollinger Bands indicate volatility. When the bands are close together, it signals low volatility, whereas when they widen apart, it indicates high volatility.\n## Bollinger Bands Trading Strategies for Forex, Stocks or Crypto\nBollinger Bands provide versatile and effective trading strategies applicable to **Forex**, **stocks or** **crypto** markets. Two of the most popular strategies are the **breakout strategy** and the **reversal strategy**, which enable traders to capitalize on volatility shifts and identify precise entry and exit points for improved trading performance\n\n### Bollinger Bands Breakout Strategy (squeeze)\nThis strategy is based on the contraction and expansion of Bollinger Bands, followed by a breakout of one of them. A Bollinger Bands squeeze signals an accumulation zone and the preparation for a trend.\n\n**Strategy conditions:** 1\\. Both Bollinger Bands must be squeezed.  \n 2. A subsequent breakout of one of the bands.  \n 3. If the lower band is broken, it is a signal for a short position.  \n 4. Conversely, if the upper band is broken, it indicates a long position.  \n [![Bollinger Bands Breakout Strategy](http:\/\/academy.ftmo.com\/wp-content\/uploads\/2025\/03\/Bollinger-Bands-Breakout-Strategy.png)](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/bollinger-bands-breakout-strategy\/)\n\n### Bollinger Bands Reversal Strategy (support and resistance)\nThis strategy utilises the upper and lower Bollinger Bands as support and resistance levels to trade trend reversals. To improve confirmation and reduce false signals, traders may use price action for additional validation.\n\n**Strategy conditions:**  \n 1. A touch of the upper or lower Bollinger Band  \n 2. For a short position, wait for confirmation with a bearish candlestick after touching the upper band.  \n 3. For a long position, wait for the lower band to be touched, followed by the formation of a bullish candlestick.  \n [![FTMO Bollinger Bands reversal strategy](http:\/\/academy.ftmo.com\/wp-content\/uploads\/2025\/03\/FTMO-Bollinger-Bands-reversal-strategy.png)](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/ftmo-bollinger-bands-reversal-strategy\/)\n\n## Key Takeaways\n- Bollinger Bands measure market volatility and consist of three lines: an upper band, a lower band, and a middle (20-day SMA) line.\n- Bands expand and contract to indicate high or low volatility, signalling potential market breakouts or reversals.\n- To increase signal accuracy, it is advisable to confirm Bollinger Band signals with other indicators such as [VWAP](https:\/\/academy.ftmo.com\/lesson\/vwap-technical-indicator\/), [RSI](https:\/\/academy.ftmo.com\/lesson\/rsi-technical-indicator\/), [ATR](https:\/\/academy.ftmo.com\/lesson\/atr-technical-indicator\/), or [price action](https:\/\/academy.ftmo.com\/lesson\/chart-patterns-trading\/).\n- Touching Bollinger Bands isn’t an automatic buy or sell signal; price can stay beyond bands, especially during strong trends.\n\n## Are you ready for the exam?\n### To fully benefit from each lesson, we created exams to test your gained knowledge with stats of your progress, results and more. You must first register to access this feature.\n[Register](https:\/\/trader.ftmo.com\/#sign-up) [Login](https:\/\/academy.ftmo.com\/auth)\n\n![footer logo](https:\/\/academy.ftmo.com\/wp-content\/themes\/academy\/public\/images\/ftmo_logo.svg)\n\nQuadrio offices  \n Purkynova 2121\/3, 110 00, Prague  \n Czech Republic\n\n- [support@ftmo.com](mailto:support@ftmo.com)\n- [\\+420 910 920 310](tel:+420910920310)\n- [WhatsApp](https:\/\/api.whatsapp.com\/send?phone=420910920310)\n\n### Company\n- [About us](https:\/\/ftmo.com\/en\/about-us\/)\n- [Contact us](https:\/\/ftmo.com\/en\/contact\/)\n- [Careers](https:\/\/careers.ftmo.com\/en\/)\n- [Press Kit](https:\/\/ftmo.com\/en\/press-kit\/)\n- [Press Releases](https:\/\/ftmo.com\/en\/press-releases\/)\n- [How FTMO works](https:\/\/ftmo.com\/en\/how-it-works\/)\n\n### More\n- [Affiliate Programme](https:\/\/ftmo.com\/en\/affiliate-programme\/)\n- [Shop](https:\/\/shop.ftmo.com\/)\n\n### Socials\n[![Facebook](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/socials\/facebook_social.svg)](https:\/\/facebook.com\/ftmocom\/)   [![X](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/socials\/x.svg)](https:\/\/x.com\/FTMO_com)   [![Instagram](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/socials\/instagram_social.svg)](https:\/\/instagram.com\/ftmocom\/)   [![Youtube](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/socials\/youtube_social.svg)](https:\/\/www.youtube.com\/@FTMOcom)   [![Discord](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/socials\/discord_logo.svg)](https:\/\/discord.com\/invite\/8j7r5XaaW6)   [![Tiktok](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/socials\/tiktok.svg)](https:\/\/www.tiktok.com\/@ftmocom)   [![LinkedIn](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/socials\/linkedin-social.svg)](https:\/\/www.linkedin.com\/company\/ftmo\/)\n\n### Download our FTMO App to your device\n[![](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/app_store_button.svg)](https:\/\/apps.apple.com\/bn\/app\/ftmo\/id1564950829) [![](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/google_play_button.svg)](https:\/\/play.google.com\/store\/apps\/details?id=com.ftmo.trader&hl=en&gl=US)\n### STAY UPDATED WITH OUR NEWSLETTER\\!\n\n### Payment options\n![Bank Transfer](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/payment-methods\/option-1.svg) ![Skrill](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/payment-methods\/option-4.svg) ![Mastercard](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/payment-methods\/option-6.svg) ![Maestro](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/payment-methods\/option-7.svg) ![Visa](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/payment-methods\/option-8.svg) ![](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/payment-methods\/option-9.svg) ![Discover](https:\/\/ftmo.com\/app\/themes\/ftmo-com\/public\/images\/old-footer\/payment-methods\/option-10.svg)\n\n- [Cookies](https:\/\/ftmo.com\/en\/cookies\/)\n- [Imprint](https:\/\/ftmo.com\/en\/imprint\/)\n- [Terms & Conditions](https:\/\/ftmo.com\/en\/terms-conditions\/)\n- [Privacy Policy](https:\/\/ftmo.com\/en\/privacy-policy\/)\n\nAll information provided on this site is intended solely for educational purposes related to trading on financial markets and does not serve in any way as a specific investment recommendation, business recommendation, investment opportunity analysis, or similar general recommendation regarding the trading of investment instruments. FTMO only provides services of simulated trading and educational tools for traders. The information on this site is not directed at residents in any country or jurisdiction where such distribution or use would be contrary to local laws or regulations. Please note that the instruments and other features illustrated in the FTMO Academy are intended for a global audience and some information may not be relevant for certain jurisdictions based on local requirements. FTMO companies do not act as a broker and do not accept any deposits.\n\n2025 © Copyright - FTMO.com Made with ![❤](https:\/\/s.w.org\/images\/core\/emoji\/11\/svg\/2764.svg) for trading\n\n### Log on client\n![](https:\/\/academy.ftmo.com\/wp-content\/themes\/academy\/public\/images\/tick-red.svg)\n#####","attrs_readable_markdown":"Find out how **Bollinger Bands** can enhance your trading strategy. Learn to spot trends, identify breakouts, and trade **forex**, **stocks** or **crypto** with confidence\\!\n\nTable of Contents\n\n- [What Are Bollinger Bands?](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#What_Are_Bollinger_Bands \"What Are Bollinger Bands?\")\n  - [Bollinger Bands description](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Bollinger_Bands_description \"Bollinger Bands description\")\n- [How Do Bollinger Bands Work?](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#How_Do_Bollinger_Bands_Work \"How Do Bollinger Bands Work?\")\n  - [Usage of Bollinger Bands](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Usage_of_Bollinger_Bands \"Usage of Bollinger Bands\")\n- [Bollinger Bands Trading Strategies for Forex, Stocks or Crypto](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Bollinger_Bands_Trading_Strategies_for_Forex_Stocks_or_Crypto \"Bollinger Bands Trading Strategies for Forex, Stocks or Crypto\")\n  - [Bollinger Bands Breakout Strategy (squeeze)](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Bollinger_Bands_Breakout_Strategy_squeeze \"Bollinger Bands Breakout Strategy (squeeze)\")\n  - [Bollinger Bands Reversal Strategy (support and resistance)](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Bollinger_Bands_Reversal_Strategy_support_and_resistance \"Bollinger Bands Reversal Strategy (support and resistance)\")\n- [Key Takeaways](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/#Key_Takeaways \"Key Takeaways\")\n## What Are Bollinger Bands?\n**Bollinger Bands** are a popular tool in technical analysis, primarily due to their applicability across nearly all markets. They were named after their creator, John Bollinger, who developed this indicator in the 1980s. On a chart, they appear as three lines forming an envelope within which the price fluctuates.\n\n### Bollinger Bands description\n- **Upper band:** 20-day Simple Moving Average (SMA 20) + 2 times the standard deviation\n- **Middle line:** 20-day Simple Moving Average (SMA 20)\n- **Lower band:** 20-day Simple Moving Average (SMA 20) – 2 times the standard deviation\n\nThe standard deviation values can be adjusted depending on the trading style and asset. For instance, when using a 50-period moving average, a multiplier of at least 2.1 is recommended, whereas for shorter periods, this factor may be lower than 2.\n\n## How Do Bollinger Bands Work?\nBollinger Bands measure market **volatility**, helping traders determine whether the market is in an accumulation phase or trending. This, in turn, provides signals for potential trend beginnings. These signals can be observed through the expansion and contraction of the bands, which adapt to market conditions based on volatility.\n\n### Usage of Bollinger Bands\n- **Identifying overbought and oversold areas:** This approach is popular among investors who use Bollinger Bands to assess whether an asset is undervalued or overvalued.\n- **Determining trend reversals:** Bollinger Bands can help identify trend reversals. For instance, in a strong downtrend, if the price moves above the lower Bollinger Band, this may indicate a weakening trend and a potential reversal.\n\n- **Using deviations as support and resistance levels:** the lower deviation is a support level, and the upper deviation is a resistance level.\n\n- **Measuring market volatility:** The contraction and expansion of Bollinger Bands indicate volatility. When the bands are close together, it signals low volatility, whereas when they widen apart, it indicates high volatility.\n## Bollinger Bands Trading Strategies for Forex, Stocks or Crypto\nBollinger Bands provide versatile and effective trading strategies applicable to **Forex**, **stocks or** **crypto** markets. Two of the most popular strategies are the **breakout strategy** and the **reversal strategy**, which enable traders to capitalize on volatility shifts and identify precise entry and exit points for improved trading performance\n\n### Bollinger Bands Breakout Strategy (squeeze)\nThis strategy is based on the contraction and expansion of Bollinger Bands, followed by a breakout of one of them. A Bollinger Bands squeeze signals an accumulation zone and the preparation for a trend.\n\n**Strategy conditions:** 1\\. Both Bollinger Bands must be squeezed.  \n 2. A subsequent breakout of one of the bands.  \n 3. If the lower band is broken, it is a signal for a short position.  \n 4. Conversely, if the upper band is broken, it indicates a long position.  \n [![Bollinger Bands Breakout Strategy](http:\/\/academy.ftmo.com\/wp-content\/uploads\/2025\/03\/Bollinger-Bands-Breakout-Strategy.png)](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/bollinger-bands-breakout-strategy\/)\n\n### Bollinger Bands Reversal Strategy (support and resistance)\nThis strategy utilises the upper and lower Bollinger Bands as support and resistance levels to trade trend reversals. To improve confirmation and reduce false signals, traders may use price action for additional validation.\n\n**Strategy conditions:**  \n 1. A touch of the upper or lower Bollinger Band  \n 2. For a short position, wait for confirmation with a bearish candlestick after touching the upper band.  \n 3. For a long position, wait for the lower band to be touched, followed by the formation of a bullish candlestick.  \n [![FTMO Bollinger Bands reversal strategy](http:\/\/academy.ftmo.com\/wp-content\/uploads\/2025\/03\/FTMO-Bollinger-Bands-reversal-strategy.png)](https:\/\/academy.ftmo.com\/lesson\/bollinger-bands-technical-indicator\/ftmo-bollinger-bands-reversal-strategy\/)\n\n## Key Takeaways\n- Bollinger Bands measure market volatility and consist of three lines: an upper band, a lower band, and a middle (20-day SMA) line.\n- Bands expand and contract to indicate high or low volatility, signalling potential market breakouts or reversals.\n- To increase signal accuracy, it is advisable to confirm Bollinger Band signals with other indicators such as [VWAP](https:\/\/academy.ftmo.com\/lesson\/vwap-technical-indicator\/), [RSI](https:\/\/academy.ftmo.com\/lesson\/rsi-technical-indicator\/), [ATR](https:\/\/academy.ftmo.com\/lesson\/atr-technical-indicator\/), or [price action](https:\/\/academy.ftmo.com\/lesson\/chart-patterns-trading\/).\n- Touching Bollinger Bands isn’t an automatic buy or sell signal; price can stay beyond bands, especially during strong trends.","meta_canonical":null}

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Meta Description	Master Bollinger Bands for smarter trading. Identify trends, catch breakouts, and optimise your forex, stock, or crypto strategies.
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Boilerpipe Text	Find out how Bollinger Bands can enhance your trading strategy. Learn to spot trends, identify breakouts, and trade forex , stocks or crypto with confidence! Table of Contents What Are Bollinger Bands? Bollinger Bands description How Do Bollinger Bands Work? Usage of Bollinger Bands Bollinger Bands Trading Strategies for Forex, Stocks or Crypto Bollinger Bands Breakout Strategy (squeeze) Bollinger Bands Reversal Strategy (support and resistance) Key Takeaways What Are Bollinger Bands? Bollinger Bands are a popular tool in technical analysis, primarily due to their applicability across nearly all markets. They were named after their creator, John Bollinger, who developed this indicator in the 1980s. On a chart, they appear as three lines forming an envelope within which the price fluctuates. Bollinger Bands description Upper band: 20-day Simple Moving Average (SMA 20) + 2 times the standard deviation Middle line: 20-day Simple Moving Average (SMA 20) Lower band: 20-day Simple Moving Average (SMA 20) – 2 times the standard deviation The standard deviation values can be adjusted depending on the trading style and asset. For instance, when using a 50-period moving average, a multiplier of at least 2.1 is recommended, whereas for shorter periods, this factor may be lower than 2. How Do Bollinger Bands Work? Bollinger Bands measure market volatility , helping traders determine whether the market is in an accumulation phase or trending. This, in turn, provides signals for potential trend beginnings. These signals can be observed through the expansion and contraction of the bands, which adapt to market conditions based on volatility. Usage of Bollinger Bands Identifying overbought and oversold areas: This approach is popular among investors who use Bollinger Bands to assess whether an asset is undervalued or overvalued. Determining trend reversals: Bollinger Bands can help identify trend reversals. For instance, in a strong downtrend, if the price moves above the lower Bollinger Band, this may indicate a weakening trend and a potential reversal. Using deviations as support and resistance levels: the lower deviation is a support level, and the upper deviation is a resistance level. Measuring market volatility: The contraction and expansion of Bollinger Bands indicate volatility. When the bands are close together, it signals low volatility, whereas when they widen apart, it indicates high volatility. Bollinger Bands Trading Strategies for Forex, Stocks or Crypto Bollinger Bands provide versatile and effective trading strategies applicable to Forex , stocks or crypto markets. Two of the most popular strategies are the breakout strategy and the reversal strategy , which enable traders to capitalize on volatility shifts and identify precise entry and exit points for improved trading performance Bollinger Bands Breakout Strategy (squeeze) This strategy is based on the contraction and expansion of Bollinger Bands, followed by a breakout of one of them. A Bollinger Bands squeeze signals an accumulation zone and the preparation for a trend. Strategy conditions: 1. Both Bollinger Bands must be squeezed. 2. A subsequent breakout of one of the bands. 3. If the lower band is broken, it is a signal for a short position. 4. Conversely, if the upper band is broken, it indicates a long position. Bollinger Bands Reversal Strategy (support and resistance) This strategy utilises the upper and lower Bollinger Bands as support and resistance levels to trade trend reversals. To improve confirmation and reduce false signals, traders may use price action for additional validation. Strategy conditions: 1. A touch of the upper or lower Bollinger Band 2. For a short position, wait for confirmation with a bearish candlestick after touching the upper band. 3. For a long position, wait for the lower band to be touched, followed by the formation of a bullish candlestick. Key Takeaways Bollinger Bands measure market volatility and consist of three lines: an upper band, a lower band, and a middle (20-day SMA) line. Bands expand and contract to indicate high or low volatility, signalling potential market breakouts or reversals. To increase signal accuracy, it is advisable to confirm Bollinger Band signals with other indicators such as VWAP , RSI , ATR , or price action . Touching Bollinger Bands isn’t an automatic buy or sell signal; price can stay beyond bands, especially during strong trends.
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Learn to spot trends, identify breakouts, and trade forex, stocks or crypto with confidence\! Table of Contents [Toggle](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/) - [What Are Bollinger Bands?](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#What_Are_Bollinger_Bands "What Are Bollinger Bands?") - [Bollinger Bands description](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Bollinger_Bands_description "Bollinger Bands description") - [How Do Bollinger Bands Work?](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#How_Do_Bollinger_Bands_Work "How Do Bollinger Bands Work?") - [Usage of Bollinger Bands](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Usage_of_Bollinger_Bands "Usage of Bollinger Bands") - [Bollinger Bands Trading Strategies for Forex, Stocks or Crypto](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Bollinger_Bands_Trading_Strategies_for_Forex_Stocks_or_Crypto "Bollinger Bands Trading Strategies for Forex, Stocks or Crypto") - [Bollinger Bands Breakout Strategy (squeeze)](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Bollinger_Bands_Breakout_Strategy_squeeze "Bollinger Bands Breakout Strategy (squeeze)") - [Bollinger Bands Reversal Strategy (support and resistance)](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Bollinger_Bands_Reversal_Strategy_support_and_resistance "Bollinger Bands Reversal Strategy (support and resistance)") - [Key Takeaways](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Key_Takeaways "Key Takeaways") ## What Are Bollinger Bands? Bollinger Bands are a popular tool in technical analysis, primarily due to their applicability across nearly all markets. They were named after their creator, John Bollinger, who developed this indicator in the 1980s. On a chart, they appear as three lines forming an envelope within which the price fluctuates. ### Bollinger Bands description - Upper band: 20-day Simple Moving Average (SMA 20) + 2 times the standard deviation - Middle line: 20-day Simple Moving Average (SMA 20) - Lower band: 20-day Simple Moving Average (SMA 20) – 2 times the standard deviation The standard deviation values can be adjusted depending on the trading style and asset. For instance, when using a 50-period moving average, a multiplier of at least 2.1 is recommended, whereas for shorter periods, this factor may be lower than 2. ## How Do Bollinger Bands Work? Bollinger Bands measure market volatility, helping traders determine whether the market is in an accumulation phase or trending. This, in turn, provides signals for potential trend beginnings. These signals can be observed through the expansion and contraction of the bands, which adapt to market conditions based on volatility. ### Usage of Bollinger Bands - Identifying overbought and oversold areas: This approach is popular among investors who use Bollinger Bands to assess whether an asset is undervalued or overvalued. - Determining trend reversals: Bollinger Bands can help identify trend reversals. For instance, in a strong downtrend, if the price moves above the lower Bollinger Band, this may indicate a weakening trend and a potential reversal. - Using deviations as support and resistance levels: the lower deviation is a support level, and the upper deviation is a resistance level. - Measuring market volatility: The contraction and expansion of Bollinger Bands indicate volatility. When the bands are close together, it signals low volatility, whereas when they widen apart, it indicates high volatility. ## Bollinger Bands Trading Strategies for Forex, Stocks or Crypto Bollinger Bands provide versatile and effective trading strategies applicable to Forex, stocks or crypto markets. Two of the most popular strategies are the breakout strategy and the reversal strategy, which enable traders to capitalize on volatility shifts and identify precise entry and exit points for improved trading performance ### Bollinger Bands Breakout Strategy (squeeze) This strategy is based on the contraction and expansion of Bollinger Bands, followed by a breakout of one of them. A Bollinger Bands squeeze signals an accumulation zone and the preparation for a trend. Strategy conditions: 1\. Both Bollinger Bands must be squeezed. 2. A subsequent breakout of one of the bands. 3. If the lower band is broken, it is a signal for a short position. 4. Conversely, if the upper band is broken, it indicates a long position. [![Bollinger Bands Breakout Strategy](http://academy.ftmo.com/wp-content/uploads/2025/03/Bollinger-Bands-Breakout-Strategy.png)](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/bollinger-bands-breakout-strategy/) ### Bollinger Bands Reversal Strategy (support and resistance) This strategy utilises the upper and lower Bollinger Bands as support and resistance levels to trade trend reversals. To improve confirmation and reduce false signals, traders may use price action for additional validation. Strategy conditions:** 1. A touch of the upper or lower Bollinger Band 2. For a short position, wait for confirmation with a bearish candlestick after touching the upper band. 3. For a long position, wait for the lower band to be touched, followed by the formation of a bullish candlestick. [![FTMO Bollinger Bands reversal strategy](http://academy.ftmo.com/wp-content/uploads/2025/03/FTMO-Bollinger-Bands-reversal-strategy.png)](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/ftmo-bollinger-bands-reversal-strategy/) ## Key Takeaways - Bollinger Bands measure market volatility and consist of three lines: an upper band, a lower band, and a middle (20-day SMA) line. - Bands expand and contract to indicate high or low volatility, signalling potential market breakouts or reversals. - To increase signal accuracy, it is advisable to confirm Bollinger Band signals with other indicators such as [VWAP](https://academy.ftmo.com/lesson/vwap-technical-indicator/), [RSI](https://academy.ftmo.com/lesson/rsi-technical-indicator/), [ATR](https://academy.ftmo.com/lesson/atr-technical-indicator/), or [price action](https://academy.ftmo.com/lesson/chart-patterns-trading/). - Touching Bollinger Bands isn’t an automatic buy or sell signal; price can stay beyond bands, especially during strong trends. ## Are you ready for the exam? ### To fully benefit from each lesson, we created exams to test your gained knowledge with stats of your progress, results and more. 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Readable Markdown	Find out how Bollinger Bands can enhance your trading strategy. Learn to spot trends, identify breakouts, and trade forex, stocks or crypto with confidence\! Table of Contents - [What Are Bollinger Bands?](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#What_Are_Bollinger_Bands "What Are Bollinger Bands?") - [Bollinger Bands description](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Bollinger_Bands_description "Bollinger Bands description") - [How Do Bollinger Bands Work?](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#How_Do_Bollinger_Bands_Work "How Do Bollinger Bands Work?") - [Usage of Bollinger Bands](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Usage_of_Bollinger_Bands "Usage of Bollinger Bands") - [Bollinger Bands Trading Strategies for Forex, Stocks or Crypto](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Bollinger_Bands_Trading_Strategies_for_Forex_Stocks_or_Crypto "Bollinger Bands Trading Strategies for Forex, Stocks or Crypto") - [Bollinger Bands Breakout Strategy (squeeze)](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Bollinger_Bands_Breakout_Strategy_squeeze "Bollinger Bands Breakout Strategy (squeeze)") - [Bollinger Bands Reversal Strategy (support and resistance)](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Bollinger_Bands_Reversal_Strategy_support_and_resistance "Bollinger Bands Reversal Strategy (support and resistance)") - [Key Takeaways](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/#Key_Takeaways "Key Takeaways") ## What Are Bollinger Bands? Bollinger Bands are a popular tool in technical analysis, primarily due to their applicability across nearly all markets. They were named after their creator, John Bollinger, who developed this indicator in the 1980s. On a chart, they appear as three lines forming an envelope within which the price fluctuates. ### Bollinger Bands description - Upper band: 20-day Simple Moving Average (SMA 20) + 2 times the standard deviation - Middle line: 20-day Simple Moving Average (SMA 20) - Lower band: 20-day Simple Moving Average (SMA 20) – 2 times the standard deviation The standard deviation values can be adjusted depending on the trading style and asset. For instance, when using a 50-period moving average, a multiplier of at least 2.1 is recommended, whereas for shorter periods, this factor may be lower than 2. ## How Do Bollinger Bands Work? Bollinger Bands measure market volatility, helping traders determine whether the market is in an accumulation phase or trending. This, in turn, provides signals for potential trend beginnings. These signals can be observed through the expansion and contraction of the bands, which adapt to market conditions based on volatility. ### Usage of Bollinger Bands - Identifying overbought and oversold areas: This approach is popular among investors who use Bollinger Bands to assess whether an asset is undervalued or overvalued. - Determining trend reversals: Bollinger Bands can help identify trend reversals. For instance, in a strong downtrend, if the price moves above the lower Bollinger Band, this may indicate a weakening trend and a potential reversal. - Using deviations as support and resistance levels: the lower deviation is a support level, and the upper deviation is a resistance level. - Measuring market volatility: The contraction and expansion of Bollinger Bands indicate volatility. When the bands are close together, it signals low volatility, whereas when they widen apart, it indicates high volatility. ## Bollinger Bands Trading Strategies for Forex, Stocks or Crypto Bollinger Bands provide versatile and effective trading strategies applicable to Forex, stocks or crypto markets. Two of the most popular strategies are the breakout strategy and the reversal strategy, which enable traders to capitalize on volatility shifts and identify precise entry and exit points for improved trading performance ### Bollinger Bands Breakout Strategy (squeeze) This strategy is based on the contraction and expansion of Bollinger Bands, followed by a breakout of one of them. A Bollinger Bands squeeze signals an accumulation zone and the preparation for a trend. Strategy conditions: 1\. Both Bollinger Bands must be squeezed. 2. A subsequent breakout of one of the bands. 3. If the lower band is broken, it is a signal for a short position. 4. Conversely, if the upper band is broken, it indicates a long position. [![Bollinger Bands Breakout Strategy](http://academy.ftmo.com/wp-content/uploads/2025/03/Bollinger-Bands-Breakout-Strategy.png)](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/bollinger-bands-breakout-strategy/) ### Bollinger Bands Reversal Strategy (support and resistance) This strategy utilises the upper and lower Bollinger Bands as support and resistance levels to trade trend reversals. To improve confirmation and reduce false signals, traders may use price action for additional validation. Strategy conditions: 1. A touch of the upper or lower Bollinger Band 2. For a short position, wait for confirmation with a bearish candlestick after touching the upper band. 3. For a long position, wait for the lower band to be touched, followed by the formation of a bullish candlestick. [![FTMO Bollinger Bands reversal strategy](http://academy.ftmo.com/wp-content/uploads/2025/03/FTMO-Bollinger-Bands-reversal-strategy.png)](https://academy.ftmo.com/lesson/bollinger-bands-technical-indicator/ftmo-bollinger-bands-reversal-strategy/) ## Key Takeaways - Bollinger Bands measure market volatility and consist of three lines: an upper band, a lower band, and a middle (20-day SMA) line. - Bands expand and contract to indicate high or low volatility, signalling potential market breakouts or reversals. - To increase signal accuracy, it is advisable to confirm Bollinger Band signals with other indicators such as [VWAP](https://academy.ftmo.com/lesson/vwap-technical-indicator/), [RSI](https://academy.ftmo.com/lesson/rsi-technical-indicator/), [ATR](https://academy.ftmo.com/lesson/atr-technical-indicator/), or [price action](https://academy.ftmo.com/lesson/chart-patterns-trading/). - Touching Bollinger Bands isn’t an automatic buy or sell signal; price can stay beyond bands, especially during strong trends.
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