The Master Charts: How Gann Used the Square of 90, 144, and 360 PAUL SAMSON January 15, 2026 Posted in Gann 0 Likes 4 Views Share: XFacebookPinterestRedditVKDiggLinkedinMix A breakdown of Gann’s “Master Charts,” why he relied on them, and how traders can apply them today. Membership Required You must be a member to access this content. View Membership Levels Already a member? Log in here Share this post: Share on X (Twitter) Share on Facebook Share on LinkedIn Share on Email Share on SMS Share on Bluesky Related Articles 0 7 More Than a Trader: Why W.D. Gann Was a Prophet of Market Behavior 0 8 The Gann Effect: Why Market Timing Still Revolves Around His Teachings 0 52 Unlocking the Square of Nine: Gann’s Mysterious Price & Time Calculator 0 77 The Lost Books of W.D. Gann: What Traders Can Learn from His Writings