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Ehlers

Center of Gravity Oscillator - Ehlers by KIVANC fr3762Center of Gravity OSCILLATOR by JOHN EHLERS Converted the original code from his book "Cybernetic Analysis for Stocks and Futures" This article describes a new oscillator that is unique because it is both smoothed and has essentially zero lag. The smoothing enables clear identification of turning points and the zero lag aspect enables action to be taken early in the move. This oscillator is the serendipitous result of my research into adaptive filters. While the filters have not yet produced the result I seek, this oscillator has substantial advantages over conventional oscillators used in technical analysis . The “CG” in the name of the oscillator stands for the Center of Gravity of the prices over the window of observation. The Center of Gravity ( CG ) of a physical object is its balance point. For example, if you balance a 12 inch ruler on your finger, the CG will be at its 6 inch point. If you change the weight distribution of the ruler by putting a paper clip on one end, then the balance point (e.g. the CG ) shifts toward the paper clip. Moving from the physical world to the trading world, we can substitute the prices over our window of observation for the units of weight along the ruler. With this analogy, we see that the CG of the window moves to the right when prices increase sharply. Correspondingly, the CG of the window moves to the left when prices decrease. For further information: www.mesasoftware.com Here's the link to a complete list of all my indicators: t.co Şimdiye kadar paylaştığım indikatörlerin tam listesi için: t.co
Pine Script® indicator
by KivancOzbilgic
9
Ghosty's Modded Super Bandpass Filter [DasanC]Very cool Indicator from Ehlers and published originally by @DasanC I made minor modifications, and added a zero line and changed some values. I use this indicator differently then it is intended to be used for scalping shorter time frames (15 min - 1 hour). I use it like a cross over, either from the zeroline or when it passes the RMS, for 5-10 pips. While no indicator is 100% this one does a nice job for small scalps. try it out on a demo and see if you like it. enjoy. original Indy -
Pine Script® indicator
by greyghost7
1
Ehler's Super Smoother 2 and 3 pole (properly initialized)John Ehlers' Super Smoother 2 and 3 pole - properly initialized www.stockspotter.com Failure to properly initialize early values of the super smoother will result in misleading values early in the output. Because the SS is an IIR ( infinite impulse response) filter, this error can ring in the filter for a long time, but is extremely evident in the first 2*len bars. This is an implementation if the 2 and 3 pole SS filter, with special attention to initializing the early values. It uses (src+scr)/2 per Ehlers but contains code to just use src if you prefer to calculate that outside the function as everget does in his SS here: there is code included to make that change. Many thanks to everget for his terrific implementations of much of John Ehlers' work. It has been tremendously helpful to me.
Pine Script® indicator
by yatrader2
Ehlers Decycler OscillatorThis indicator was originally developed by John F. Ehlers (Stocks & Commodities , V.33:10 (September, 2015): "Decyclers"). The idea is still the same as for the Simple Decycler. Mr. Ehlers suggested to virtually eliminate lag by getting rid of the very low-frequency components. So, he applied the high-pass filter to the simple decycler. Mr. Ehlers recommended to use two instances of the Decycler Oscillator with different parameters (high-pass filter period and multiplier). As a result, he got the Decycler Oscillator pair. The first oscillator (red line) has a period of 125 bars, the second one (yellow line) has a period of 100 bars. The interpretation is straightforward: When the yellow line crosses over the red line, a trend reversal to the upside is indicated. When the yellow line crosses under the red line, a trend reversal to the downside is indicated.
Pine Script® indicator
by everget
8
Ehlers Simple DecyclerThis indicator was originally developed by John F. Ehlers (Stocks & Commodities, V.33:10 (September, 2015): "Decyclers"). Mr. Ehlers suggested a way to improve trend identification using high-pass filters. The basic smoothers like SMA, low-pass filters, have considerable lag in their display. Mr. Ehlers applied the high-pass filter and subtracted the high-pass filter output from the time series input. Doing these steps he removed high-frequency short-wavelength components (the ones causing the wiggles) from the time series. As a result he got a special series of the low-frequency components with virtually no lag - the Decycler. The Decycler is plotted with two additional lines (the percent-shifts of Decycler) and together they form a hysteresis band. If the prices are above the upper hysteresis line, then the market is in an uptrend . If the prices are below the low hysteresis line, then the market is in a downtrend . Prices within the hysteresis band are trend-neutral .
Pine Script® indicator
by everget
3
Ehlers Triple Delay-Line DetrenderThis indicator was originally developed by John F. Ehlers (Stocks & Commodities , V.18:7 (July, 2000): "Optimal Detrending"). Mr. Ehlers applied the ideas of the radar systems for the financial time series detrending. Mr. Ehlers constructed the Triple Delay-Line Canceller first, then smoothed it with the Modified Optimum Elliptic Filter with minimal lag. The smoothed detrended signal is smoothed again with the Modified Optimum Elliptic Filter to obtain signal line. As result, the crossings of the two indicator lines catch every major cyclic move and the detrender itself can be used as the first step in more sophisticated analyses.
Pine Script® indicator
by everget
3
Signal to Noise Ratio [SNR]Intro This script measures the Signal to Noise ratio of a security and plots it in deciBels scale! Usage Ideally, you would want the ratio to be above 10 dB, meaning the Signal strength is 10x the noise strength. As a baseline, you should not rely on indicators that use any kind of moving average if the SNR is below 6 dB - meaning Signal strength is only 4x noise strength. I've written the SNR as a functional block so you may simply copy and paste, then call getSNR() to get the ratio in dB. Principle I consider a bar's High and Low to be the range of that period and (High + Low)/2 to be the "real" value of the signal. This script compares a bars range (noise) to the perceived signal using a Hilbert Transform. Cheers, DasanC
Pine Script® indicator
by DasanC
5
Adaptive Zero Lag EMA [STUDY]A user has asked for the Study/Indicator version of this Strategy . If you encounter the error "loop....>100ms" simply toggle the eye icon to hide and unhide the indicator The following is simply quoted from my previous post for your convenience: (obviously there won't be risk, Stop Loss, or Take profit parameters!) OPERATING PRINCIPLE The strategy is based on Ehlers idea that any indicator can be turned into a signal-producing trade system through smoothing and other filtering processes. In fact, I'm using his Zero Lag EMA ( ZLEMA ) as a baseline indicator as well as some code snippets he has made public (1). God bless open source! Next, I've provided the option to use an Instantaneous Frequency Measurement (IFM) method, which will adaptively choose the best period for the ZLEMA (2) I've written other studies that use the differential calculus approximations for IFM, so it was only natural to include them in this strategy. The primary two are Cosine IFM (3) and In-phase Quadrature IFM (4). You can also find an indicator with both plotted and the ability to average them together, as one IFM prefers long periods and the other short. (5) BEFORE WE BEGIN 1. This strategy only runs on "normal" FX pairs ( EURUSD , GBPJPY , AUDUSD ...) and will fail on Metals or Commodities. Cryptos are largely untested. 2. Please run it on these time frames: M15 to D. Anything outside this range will likely fail. HOW TO USE AND SUCCEED 1. If the Default settings don't produce good results right off the bat, then lower gain limit to 1 or 2 and threshold to 0.01. 2. Test each setting under adaptive method. If you want to leave it Off, then I'd recommend using some kind of IFM (see my links below) to discover the most efficient period to use. 3. Once you have the best adaptive method chosen, begin incrementing gain limit until you find a nice balance between profit factor ( PF ) and drawdown. 4. Now, begin incrementing threshold. The goal is to have PF above 2 and a drawdown as low as possible. 5. Finally, change the source! Typically, close is the best option, but I have run into cases where high yielded the highest returns and win rate. 6. Sit back, relax, and tweak the risk until you're happy with the return and drawdown amounts. ADVANCED You may need to adjust take profit (TP) points and stop loss (SL) points to create the best entry possible. Don't be greedy! You'll likely have poor results if the TP is set to 300 and SL is 50. If you are trading a pair that has a long Dominant Cycle Period, then you may increase Max Period to allow the IFM to accept longer periods. Any period above the Max Period will be rejected. This may increase lag time! Cheers and good luck trading! -DasanC (1)www.mesasoftware.com (2)www.jamesgoulding.com (3) Cosine IFM (4) I-Q IFM (5) Averaging IFM IFM stands for Instantaneous frequency measurement
Pine Script® indicator
by DasanC
3
Adaptive Zero Lag EMA v2This is my most successful strategy to date! Please enjoy and join the Open Source movement by sharing your code and ideas online! OPERATING PRINCIPLE The strategy is based on Ehlers idea that any indicator can be turned into a signal-producing trade system through smoothing and other filtering processes. In fact, I'm using his Zero Lag EMA (ZLEMA) as a baseline indicator as well as some code snippets he has made public (1). God bless open source! Next, I've provided the option to use an Instantaneous Frequency Measurement (IFM) method, which will adaptively choose the best period for the ZLEMA (2) I've written other studies that use the differential calculus approximations for IFM, so it was only natural to include them in this strategy. The primary two are Cosine IFM (3) and In-phase Quadrature IFM (4). You can also find an indicator with both plotted and the ability to average them together, as one IFM prefers long periods and the other short. (5) BEFORE WE BEGIN 1. This strategy only runs on "normal" FX pairs (EURUSD, GBPJPY, AUDUSD ...) and will fail on Metals or Commodities. Cryptos are largely untested. 2. Please run it on these time frames: M15 to D. Anything outside this range will likely fail. HOW TO USE AND SUCCEED 1. If the Default settings don't produce good results right off the bat, then lower gain limit to 1 or 2 and threshold to 0.01. 2. Test each setting under adaptive method . If you want to leave it Off , then I'd recommend using some kind of IFM (see my links below) to discover the most efficient period to use. 3. Once you have the best adaptive method chosen, begin incrementing gain limit until you find a nice balance between profit factor (PF) and drawdown. 4. Now, begin incrementing threshold . The goal is to have PF above 2 and a drawdown as low as possible. 5. Finally, change the source ! Typically, close is the best option, but I have run into cases where high yielded the highest returns and win rate. 6. Sit back, relax, and tweak the risk until you're happy with the return and drawdown amounts. ADVANCED You may need to adjust take profit (TP) points and stop loss (SL) points to create the best entry possible. Don't be greedy! You'll likely have poor results if the TP is set to 300 and SL is 50. If you are trading a pair that has a long Dominant Cycle Period , then you may increase Max Period to allow the IFM to accept longer periods. Any period above the Max Period will be rejected. This may increase lag time! Cheers and good luck trading! -DasanC PS - This code doesn't repaint or have future-leak, which was present in Pinescript v2. PPS - Believe me! These returns are typical! Sometimes you must push aside the "if it's too good to be true..." mindset that society has ingrained in you. Do you really believe the most successful pass up opportunities before investigating them? ;) (1) Ehlers & Ric Zero Lag EMA (2) Measuring Cycles by Ehlers (3) Cosine IFM (4) Inphase Quadrature IFM (5) Averaging IFM
Pine Script® strategy
by DasanC
31
Cosine, In-Phase & Quadrature IFM [Ehlers]Yet another method for determining the cycle of a market: this time, you have access to the two fastest and most accurate methods as well as the option to average these methods together. The controls are pretty straight forward: Source lets you select the price data to perform calculations on (close, open, etc..) Max Period is simply the cap for the algorithm when it's checking the validity of Periods. -> If you notice your plots have a flat top, then increase this value to accept a wider range of Periods. -> This setting has a min. value of 8 to reduce noise and a max of 100 to ignore waves from higher time frames. Average? simply averages the two methods of calculation. -> You may want to do this if you notice the two plots diverging a lot. -> Cosine IFM tends to favor shorter periods; I-Q IFM tends to favor longer. Cheers, - DasanC
Pine Script® indicator
by DasanC
1