The Fractals Support & Resistance indicator is considered as one of the best "auto" S&R tools for MT4 & comes with adjustable periods (default is recommended) & is equipped with MTF & Alerts, too. Mrtools' updated version is now available here: viewtopic.php?p=1295400436#p1295400436
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Guide to the "All Averages" Filters (ADXvma, Laguerre etc.)
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How to easily find & draw major Support & Resistance