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p.s Remember to take into account which way the envelopes are sloping 
there are other "rules" : a) the Envelopes methodology allows us easily to identify if we are trading countertrend or not b) if we are trading countertrend depending of the Envelope we trade, Amplitude of the Swing / Wave can be estimated to 2/3  3/4 of the Amplitude of the Envelope only, because of the influence of the Underlying Trend  sum of all the Cycles whose Period is bigger than the period of the Envelope we trade  Then Target Prices can be defined accordingly 
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Hello Parisboy, I am reading this interesting method from your post, I tried to simaulate a chart similar to yours, on TradinView for parameters setup, I have "Lenght" and"Percent", I am not sure how to set the Second Parameter in Trading View charts to be similar to yours, Your second parameter does not looks like "Percent", could you please give me a hint regarding the second parameter if you dont mind.Thanks 
Inserted Video a webinar on the Envelopes methodology 
study(title=“Envelope”, shorttitle=“Env”, overlay=true) len = input(32, title=“Length”, minval=1) octave = input(156.25) src = input(close, title=“Source”) exponential = input(false) basis = sma(src, len) k = octave upper = basis + k lower = basis  k plot(basis, color=orange,offset=16) u = plot(upper, color=blue, offset=16) l = plot(lower, color=blue, offset=16) fill(u, l, color=blue) Source code for the study is above this creates the Envelope 32 with an offset of  16 after that you copy 2 times the Envelope indicator on the chart and you modify the length with 128 and 256 you change (if you want) the color  I use blue for 32, ocre for 128 and brown for 256 and you got the 3 Envelopes aligned on the end of Envelope 32 . The " Envelopes are offsetted by  16 Then you save your “study” as a Template PS  May be the code is not perfect  but I am totally illiterate in programming. So I used at the time (beginning of 2016) something existing in Trading View  and adapted it to my needs. 
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 the Upper Limit of the Envelope 256 as the 8/8 Line and more precisely Curve  property Ultime Resistance  the Centered Moving Average 256 as the 4/8 Line / Curve  property Major Support / Resistance  the Lower Limit of the Enveloppe 256 as the 0/8 Baseline (Curve)  property Ultime Support 

Hi Alain, Enjoyed the video you posted, watched it late last night so was not at my sharpest but am I correct that the trick you mentioned of centring all Envelopes to 16 is only if you work with trades under 5 days, at the moment I like the relaxed style of trading Dailies so I am Centring the 256 to 128 ? 
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the best way is always to test and practice some time it is relevant to manage both solutions at the same time 
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https://www.mesasoftware.com/papers/...20Syllabus.pdf A Three Day Personal Workshop with John Ehlers An intimate and noholdsbarred learning experience WHEN: October 12 through 14, 2018 WHERE: Cavlier Resort, San Simeon, CA REQUIREMENT: Must sign a noncommercial NDA PREREQUISITES: Working familiarity with EasyLanguage. High School Algebra and Trigonometry COST: $6,000 JOHN EHLERS 2018 WORKSHOP SYLLABUS NEW THIS YEAR: Zero Lag Filters Predictive Filters Chebyshev Filters Rocket RSI Recursive Median Deviation Scaling Deviation Scaled Adaptive Moving Average How to Evaluate Strategy Robustness How to Optimize a Strategy for Out ofSample performance Maximally Robust Intraday Strategy Correct Position Sizing DATA What are cycles? Wave Power – decibels Fractals Pink Noise Swerling Noise Spectral Dilation Sampled data theory Aliasing Chart patterns Fibonacci series Number theory Complex Variables Trigonometry Review FILTER THEORY Transfer response Z Transforms FILTERS AND INDICATORS * Finite Impulse Response Filters (FIR) SMA Binomial Critical Period Computational Lag Infinite Impulse Response Filters (IIR) EMA Critical Per iod High Pass Filters SuperSmoother Roofing Filter Automatic Gain Control (AGC) Deviation Scaling BandPass Filter Decyclers Filt11 Techniques MESA Predict Correlation Super PassBand Filter Swiss Army Knife Chebyshev Filter Error Correcting Codes Reverse EMA MyStochastic Rocket RSI Transforms Fisher and Inverse Fisher Hilbert Peaking Filters CYCLE MEASURING TECHNIQUES * MESA (disclosed only at workshops) DFT Autocorrelation Periodogram Bandpass Filter Bank Signal to Noise Ratio Dual Differentiator Homodyne Discriminator Phase Accumulation Pisarenko Harmonic Decomposition Goertzel SWAMICHARTS INDICATORS* TRADING STRATEGY CONCEPTS Key parameters Excel Coin Toss Test Parameter Optimization How to evaluate Robustness Monte Carlo Simulation UPUBLISHED ROBUST TRADING STRATEGIES (daily bars) * MESA Phasor Complex Angle Correlation Angle Correlation Enigma MyRSI PassBand Ultimate Angle UNPUBLISHED ROBUST INTRADAY TRADING STRATEGIES * MESA Intraday V3 15min Bandpass 15min Chebyshev 15min Correlation Angle 15min Double Octave 15min Octave 15min Passband 15min SuperSmoother Difference *Indicator and Strategy Easy Language Code will be provided in electronic format 
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THANK YOU GURU FOR EVERYTHING AS mentioned earlier i had tried this method long back almost 4 years ago but using 3 keltner channel settings but at that time i was dealing with stocks and had no one to help me or guide me but because of FF now i am slowly but surely moving towards achieving my goals in these 4 years of being trader and learning how cycles work and after going from one strategy to another testing 1000's of indicators finally my mind and brain is wide open again THANK YOU from the bottom of my heart for you post MY YOU ALWAYS BE HAPPY , PROSPEROUS , HEALTHY AND GROW BY LEAPS & BOUNDS IN ANY AND EVERY VENTURE BE BLESSED & HAPPY ALWAYS 
Thanks for you kind words but I am not and I do not want, in any case, become a "guru" ! Roughly I am a guy dealing with (Centered) Moving Averages ! 
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