The KDJ indicator is well-known amongst crypto- traders & although it's just a 3-line Stochastic, it can be successfully used for scalping FX, especially with Mrtools's new non-repainting "Averages" version which comes with 41+ Averages Filters & more: viewtopic.php?p=1295436441#p1295436441
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Guide to the "All Averages" Filters (ADXvma, Laguerre etc.)
How to draw Fibonacci Extensions the easy way
How to easily find & draw major Support & Resistance