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Robust Channel [tbiktag]

Introducing the Robust Channel indicator.

This indicator is based on a remarkable property of robust statistics, namely, the resistance​ to the presence of data points that deviate significantly from the established trend (generally speaking, outliers). Being outlier-resistant, the Robust Channel indicator “remembers” a pre-existing trend and thus exhibits a very peculiar "lag" in case of a sharp price change. This allows high-confidence identification of such price actions as a trend reversal, range break, pullback, etc.

In the case of trending and range-bound market conditions, the price remains within the channel most of the time, fluctuating around the central line.

Technical details

The central line is calculated using the repeated median slope algorithm. For each data point in a lookback window of a user-specified Length, this method calculates the median slope of the lines that connect that point to all other points inside the window. The overall median of these median slopes is then calculated and used as an estimate of the trend slope. The algorithm is very efficient as it uses an on-the-fly procedure to update the array containing the slopes (new data pushed - old data removed).

The outer line is then calculated as the central line plus the Length-period standard deviation of the price data multiplied by a user-defined Channel Width Factor. The inner line is defined analogously below the central line.

Usage

As a stand-alone indicator, the Robust Channel can be applied similarly to the Bollinger Bands and the Keltner Channel:
  • A close above the outer line can be interpreted as a bullish signal and a close below the inner line as a bearish signal.
  • Likewise, a return to the channel from below after a break may serve as a bullish signal, while a return from above may indicate bearish sentiment.
  • Robust Channel can be also used to confirm chart patterns such as double tops and double bottoms.

If you like this indicator, feel free to leave your feedback in the comments below!
Скрипт с открытым кодом

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

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Комментарии

Nice one, thanks ;)
200 монет
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tbiktag e2e4mfck
@e2e4mfck, thanks, I'm glad you liked it!
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whats the good time frame for it
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tbiktag naba_naif
@naba_naif, I have done most of the backtesting on daily timeframes. However, I have found that lower timeframes (hours, 5m, 15m) also produce good results for 24/7 markets that are devoid of time gaps (crypto, forex).
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Thank you very much for this interesting indicator! You are making really exotic indicators, and I am curious to back test this one also. It is also an art how you code the different concepts!
Can you make a version with buy and sell signals? A higher timeframe MA would also be very good!
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tbiktag Ether2020
@Ether2020, thank you very much, I really appreciate your feedback! Indeed, building and testing something exotic is what brings me a lot of fun. As for the strategy version of this script, it is in the pipeline.
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Thank you so much ,I really like your work
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tbiktag PVBabyFather
@PVBabyFather, I'm happy to hear that. Thanks for the feedback!
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Great approach! Love to see some original variation in the BB and KC world. Would be interesting to back test this in a strategy.
Keep up your great work.
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tbiktag Magnum-Trading
@Magnum-Trading, thank you!
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