{"id":8915,"date":"2026-06-25T04:01:30","date_gmt":"2026-06-25T04:01:30","guid":{"rendered":"https:\/\/quantstrategy.io\/blog\/mastering-support-and-resistance-lessons-from-john-murphy\/"},"modified":"2026-06-25T04:01:30","modified_gmt":"2026-06-25T04:01:30","slug":"mastering-support-and-resistance-lessons-from-john-murphy","status":"publish","type":"post","link":"https:\/\/quantstrategy.io\/blog\/mastering-support-and-resistance-lessons-from-john-murphy\/","title":{"rendered":"Mastering Support and Resistance: Lessons from John Murphy"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/quantstrategy.io\/blog\/wp-content\/uploads\/2026\/06\/graph_mountain_line_unsplash_5.jpg\" alt=Mastering Support and Resistance:><br \/>\n<strong>Mastering Support and Resistance: Lessons from John Murphy<\/strong> is a foundational skill for any serious trader, as outlined in <a href=\"https:\/\/quantstrategy.io\/blog\/the-ultimate-guide-to-technical-analysis-of-the-financial\">The Ultimate Guide to Technical Analysis of the Financial Markets by John Murphy<\/a>. Murphy describes support and resistance as the psychological &#8220;floor&#8221; and &#8220;ceiling&#8221; of price action. Support represents a price level where buying interest is strong enough to overcome selling pressure, while resistance is where selling pressure halts an upward trend. By identifying these zones, traders can better interpret <a href=\"https:\/\/quantstrategy.io\/blog\/the-psychology-of-charting-insights-from-murphys-technical\">The Psychology of Charting: Insights from Murphy\u2019s Technical Analysis<\/a> and make more informed decisions about market entry and exit points.<\/p>\n<h2 id=\"practical-advice-and-actionable-insights\">Practical Advice and Actionable Insights<\/h2>\n<p>To effectively apply Murphy\u2019s lessons, traders should focus on the concept of <strong>role reversal<\/strong>. Once a resistance level is decisively broken, it frequently becomes a new support level during subsequent pullbacks. Similarly, broken support levels often turn into future resistance. To validate these levels, Murphy suggests observing three key factors:<\/p>\n<ul>\n<li><strong>Volume:<\/strong> A break of support or resistance should be accompanied by high trading volume to confirm its validity. For more on this, see <a href=\"https:\/\/quantstrategy.io\/blog\/volume-and-open-interest-the-murphy-approach-to-market\">Volume and Open Interest: The Murphy Approach to Market Strength<\/a>.<\/li>\n<li><strong>Duration:<\/strong> The longer a price stays within a support or resistance zone, the more significant that zone becomes.<\/li>\n<li><strong>Recentness:<\/strong> Recent price action at a specific level is more predictive than historical data from several years ago.<\/li>\n<\/ul>\n<p>Traders should also look for <strong>confluence<\/strong>. When a horizontal support level aligns with a major moving average or a Fibonacci retracement level, the probability of a price bounce increases. Use <a href=\"https:\/\/quantstrategy.io\/blog\/oscillators-and-momentum-mastering-the-rsi-and-stochastics\">Oscillators and Momentum: Mastering the RSI and Stochastics &#8211; John Murphy<\/a> to identify if a level is being tested while the market is in an oversold or overbought condition.<\/p>\n<h2 id=\"specific-examples-and-case-studies\">Specific Examples and Case Studies<\/h2>\n<p><strong>Example 1: The S&#038;P 500 and the 200-Day Moving Average<\/strong><br \/>\nIn many market cycles, the S&#038;P 500 has used its 200-day moving average as a dynamic support level. During the mid-2020 recovery, the index repeatedly touched this line and bounced, confirming Murphy&#8217;s theory that technical indicators often act as psychological barriers. This highlights the importance of <a href=\"https:\/\/quantstrategy.io\/blog\/backtesting-murphys-strategies-do-classic-patterns-still\">Backtesting Murphy\u2019s Strategies: Do Classic Patterns Still Work?<\/a> in modern high-frequency environments.<\/p>\n<p><strong>Example 2: Bitcoin\u2019s Psychological Resistance<\/strong><br \/>\nIn late 2020, Bitcoin faced significant resistance at the $20,000 level, which was its previous all-time high. Once this resistance was breached on high volume, it acted as a launchpad for a massive rally. This is a classic example of <a href=\"https:\/\/quantstrategy.io\/blog\/applying-john-murphys-technical-analysis-to-crypto-markets\">Applying John Murphy\u2019s Technical Analysis to Crypto Markets<\/a>, where round numbers and previous peaks create significant &#8220;market memory.&#8221;<\/p>\n<h2 id=\"conclusion\">Conclusion<\/h2>\n<p>Mastering support and resistance is about more than drawing lines; it is about understanding the supply and demand dynamics of the global marketplace. By integrating these lessons with <a href=\"https:\/\/quantstrategy.io\/blog\/intermarket-analysis-understanding-global-market\">Intermarket Analysis: Understanding Global Market Relationships &#8211; John Murphy<\/a>, traders can see how strength in one asset class provides resistance for another. Ultimately, these levels provide the framework for <a href=\"https:\/\/quantstrategy.io\/blog\/identifying-reversal-patterns-head-and-shoulders-and-beyond\">Identifying Reversal Patterns: Head and Shoulders and Beyond &#8211; John Murphy<\/a>. For a complete understanding of how these concepts fit into a broader trading system, refer back to <a href=\"https:\/\/quantstrategy.io\/blog\/the-ultimate-guide-to-technical-analysis-of-the-financial\">The Ultimate Guide to Technical Analysis of the Financial Markets by John Murphy<\/a>.<\/p>\n<h2 id=\"frequently-asked-questions\">Frequently Asked Questions<\/h2>\n<p><strong>1. What is the most reliable way to identify support and resistance?<\/strong><br \/>\nThe most reliable method is looking for price levels where the market has reversed multiple times in the past, ideally confirmed by high trading volume. Murphy emphasizes that the more times a level is tested without breaking, the stronger it becomes.<\/p>\n<p><strong>2. How does &#8220;role reversal&#8221; work in John Murphy\u2019s theory?<\/strong><br \/>\nRole reversal occurs when a resistance level is broken and subsequently acts as support, or vice versa. This happens because traders who missed the initial breakout wait for a &#8220;throwback&#8221; to the previous level to enter their positions.<\/p>\n<p><strong>3. Do support and resistance levels work in cryptocurrency markets?<\/strong><br \/>\nYes, Murphy\u2019s principles are highly effective in crypto, where psychological round numbers (like $10,000 or $50,000) often create significant barriers due to the retail-heavy nature of the market.<\/p>\n<p><strong>4. How much &#8220;penetration&#8221; is required to consider a level broken?<\/strong><br \/>\nMurphy typically suggests a 1% to 3% price penetration or a daily closing price beyond the level to filter out &#8220;fakeouts.&#8221; Using a closing price is generally more reliable than intraday spikes.<\/p>\n<p><strong>5. Can technical indicators serve as support or resistance?<\/strong><br \/>\nAbsolutely. Major moving averages (like the 50-day and 200-day) and trendlines are considered &#8220;dynamic&#8221; support and resistance, moving alongside price action rather than staying at a fixed horizontal level.<\/p>\n<p><strong>6. Why are support and resistance levels considered psychological?<\/strong><br \/>\nThey represent the collective memory of market participants. Traders remember where they lost money or where a &#8220;cheap&#8221; price was, leading them to act in unison when the price returns to those levels.<\/p>\n","protected":false},"excerpt":{"rendered":"Mastering Support and Resistance: Lessons from John Murphy is a foundational skill for any serious trader, as outlined&hellip;\n","protected":false},"author":1,"featured_media":8914,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[69,41,11],"tags":[],"class_list":{"0":"post-8915","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-book-bites","8":"category-chart-patterns","9":"category-technical_indicators"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mastering Support and Resistance: Lessons from John Murphy - 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