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XTrendlessOS (trendless oscillator) - indicator for MetaTrader 5

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Published by:
Nikolay Kositsin
votes: 13
2011.12.26 10:46
2017.04.27 08:42

Real author:


It is designed to evaluate the actual market overbought/oversold states.

The indicator histogram bars change their color when its value exceeds or is equal to 60%, 80% and 100% of an overbought/oversold levels. Initially J. DiNapoli described the indicator as a linear chart, but, perhaps, its interpretation as a colored histogram, where crossing of one of the critical levels changes the color of a bar, is more convenient.

This indicator allows to select a smoothing type out of ten possible versions:

  1. SMA - simple moving average;
  2. EMA - exponential moving average;
  3. SMMA - smoothed moving average;
  4. LWMA - linear weighted moving average;
  5. JJMA - JMA adaptive average;
  6. JurX - ultralinear smoothing;
  7. ParMA - parabolic smoothing;
  8. T3 - Tillson's multiple exponential smoothing;
  9. VIDYA - smoothing with the use of Tushar Chande's algorithm;
  10. AMA - smoothing with the use of Perry Kaufman's algorithm.

It should be noted that Phase type parameters for different smoothing algorithms have completely different meaning. For JMA it is an external Phase variable changing from -100 to +100. For T3 it is a smoothing ratio multiplied by 100 for better visualization, for VIDYA it is a CMO oscillator period and for AMA it is a slow EMA period. In other algorithms these parameters do not affect smoothing. For AMA fast EMA period is a fixed value and is equal to 2 by default. The ratio of raising to the power is also equal to 2 for AMA.

The indicator uses SmoothAlgorithms.mqh library classes (must be copied to the terminal_data_folder\MQL5\Include). The use of the classes was thoroughly described in the article "Averaging Price Series for Intermediate Calculations Without Using Additional Buffers".

This indicator was first implemented in MQL4 and published in CodeBase 30.03.2010.

XTrendlessOS (trendless oscillator)

Translated from Russian by MetaQuotes Software Corp.
Original code:

VGridLine Intraday X6 VGridLine Intraday X6

Vertical time grid with six hours step.

IncOsMAOnArray IncOsMAOnArray

COsMAOnArray class is designed for calculation of OsMA (Moving Average of Oscillator) values on indicator buffers. The example of use of the class is provided.

TrendLineAlert TrendLineAlert

The indicator displays the inclined trend line that sets the signal actuating level.

IncAMAOnArray IncAMAOnArray

CAMAOnArray class is designed for calculation of AMA (Adaptive Moving Average) values on indicator buffers. The example of use of the class is provided.