OPEN-SOURCE SCRIPT

TASC 2023.03 Every Little Bit Helps

█ OVERVIEW

TASC's February 2023 edition of Traders' Tips includes an article titled "Every Little Bit Helps: Averaging The Open And Close To Reduce Noise" by John​ Ehlers​. This code implements the numerical example from this article.

█ CONCEPTS

Using theories from digital signal processing as a starting point, John ​Ehlers argues that using the average of the open and close as the source time series of an indicator instead of using only the closing price can often lead to noise reduction in the output. This effect especially applies when there is no gap between the current bar's opening and the previous bar's closing prices. This trick can reduce noise in many common indicators such as the ​​RSI, ​​MACD, and ​​Stochastic.

█ CALCULATIONS

Following the example presented in the original publication, this script illustrates the proposed strategy using the ​​Relative Strength Index (​RSI) as a test indicator. It plots two series:
  • ​RSI calculated using only closing prices as its source.
  • ​RSI of the same length as the first, but calculated using the average of open and close prices as its source, i.e. (open+close)/2.

This script demonstrates that using the average of open and close as the calculation source results in a smoother indicator. To visually emphasize the advantage of this proposed trick, the script's color scheme is sensitive to both the ​RSI value and the difference between the two ​RSI data streams.
educationalehlersOscillatorstasc

Open-source Skript

Ganz im Sinne von TradingView hat dieser Autor sein/ihr Script als Open-Source veröffentlicht. Auf diese Weise können nun das Script auch andere Trader verstehen und prüfen. Vielen Dank an den Autor! Sie können das Script kostenlos verwenden. Die Nutzung dieses Codes in einer Veröffentlichung wird in unseren Hausregeln reguliert. Sie können es als Favoriten auswählen, um es in einem Chart zu verwenden.

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