Catapult Research & Optuma's GannTrader Tools - Optuma
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TheGannMan on Twitter: "$AMZN The Genius of Gann: The Great Square of 144, Daily, Weekly, Monthly 1188 is on 36 in the 8th Square, 1/4 Up, 90* https://t.co/NmvbPgZVjc" / Twitter
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