{"id":15832,"date":"2025-01-15T10:54:49","date_gmt":"2025-01-15T10:54:49","guid":{"rendered":"https:\/\/xlence-com.wp-dev.int.theitops.net\/?post_type=lessons&#038;p=15832"},"modified":"2026-01-22T12:28:13","modified_gmt":"2026-01-22T12:28:13","slug":"how-to-read-bollinger-bands-lesson-47","status":"publish","type":"lessons","link":"https:\/\/www.xlence.com\/en\/lessons\/how-to-read-bollinger-bands-lesson-47\/","title":{"rendered":"Lesson 47-\u00a0How to Read Bollinger Bands"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-nbsp-how-to-read-bollinger-bands\"><strong><em>&nbsp;How to Read Bollinger Bands<\/em><\/strong><\/h2>\n\n\n\n<p><strong>What are Bollinger Bands?<\/strong><\/p>\n\n\n\n<p>Developed by John Bollinger, Bollinger Bands are a technical analysis tool that consists of two bands<br>placed around a 20-day moving average. The upper band is calculated as the 20-day moving average<br>plus two standard deviations, while the lower band is the 20-day moving average minus two standard<br>deviations.<\/p>\n\n\n\n<p><strong>Formula:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Upper Band: 20-day MA + 2 standard deviations<\/li>\n\n\n\n<li>Lower Band: 20-day MA &#8211; 2 standard deviations<\/li>\n<\/ul>\n\n\n\n<p>Standard Deviation is a statistical measure that describes how prices are distributed around the<br>average value. Using two standard deviations ensures that 95% of the price data falls between the<br>bands.<\/p>\n\n\n\n<p><strong>Key Points:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bollinger Bands measure market volatility.<\/li>\n\n\n\n<li>When volatility increases, the bands widen; during quiet periods, the bands contract.<\/li>\n\n\n\n<li>Prices near the upper band suggest an overbought market, while prices near the lower band<br>suggest an oversold market.<\/li>\n\n\n\n<li>The bands can also serve as price targets.<\/li>\n<\/ul>\n\n\n\n<p><strong>Structure:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Middle Band: An N-period simple moving average (MA)<\/li>\n\n\n\n<li>Upper Band: MA + K times an N-period standard deviation<\/li>\n\n\n\n<li>Lower Band: MA &#8211; K times an N-period standard deviation<\/li>\n<\/ul>\n\n\n\n<p>Typical values for N (number of periods) and K (multiplier for standard deviation) are 20 and 2,<br>respectively.<\/p>\n\n\n\n<p>Bollinger Bands help determine whether prices are high or low relative to previous trades, and they<br>are used to assess market conditions and potential price targets.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"597\" height=\"284\" src=\"https:\/\/www.xlence.com\/wp-content\/uploads\/2024\/09\/Screenshot-2024-09-20-112737.png\" alt=\"Forex trading chart showing price action and Bollinger Bands, used for educational purposes in a trading lesson.\" class=\"wp-image-14561\" style=\"width:662px;height:auto\"\/><\/figure>\n\n\n\n<p><strong>Averages Used:<\/strong> The default choice for the average is a simple moving average, but other types, such<br>as exponential moving averages, can be used as needed. Typically, the same period is used for both<br>the middle band and the standard deviation calculation.<\/p>\n\n\n\n<p><strong>Purpose: <\/strong>Bollinger Bands provide a relative definition of high and low prices. By design, prices are<br>considered high at the upper band and low at the lower band. This helps with pattern recognition and<br>is useful for comparing price action with indicator action to make systematic trading decisions.<\/p>\n\n\n\n<p><strong>Interpretation:<\/strong> Traders use Bollinger Bands in various ways. Some buy when the price touches the<br>lower band and sell when it reaches the moving average in the centre. Others buy when the price<br>breaks above the upper band or sell when it drops below the lower band.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Low Volatility:<\/strong> Bands close together indicate low volatility.<\/li>\n\n\n\n<li><strong>High Volatility:<\/strong> Bands far apart indicate high volatility.<\/li>\n\n\n\n<li><strong>Channel:<\/strong> Bands that are parallel for an extended period suggest that the price will oscillate<br>between them.<\/li>\n<\/ul>\n\n\n\n<p>Traders often combine Bollinger Bands with other indicators, such as chart patterns or trendlines, for<br>confirmation. This combination strengthens the evidence for the forecasts provided by Bollinger<br>Bands.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp;How to Read Bollinger Bands What are Bollinger Bands? Developed by John Bollinger, Bollinger Bands are a technical analysis tool that consists of two bandsplaced around a 20-day moving average. The upper band is calculated as the 20-day moving averageplus two standard deviations, while the lower band is the 20-day moving average minus two standarddeviations. [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-15832","lessons","type-lessons","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Bollinger Bands Explained | Lesson 47<\/title>\n<meta name=\"description\" content=\"Lesson 47 explains Bollinger Bands, how to read them, and how traders use volatility, bands, and moving averages to assess price action.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.xlence.com\/en\/lessons\/how-to-read-bollinger-bands-lesson-47\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lesson 47-\u00a0How to Read Bollinger Bands\" \/>\n<meta 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