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- Publié:
- 2018.08.06 17:16
- Mise à jour:
- 2018.12.01 20:01
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Trend Envelopes indicator is calculated based on a % of price change. That % is then used to determine if there is a new trend or trend remains the same.
This version is using ATR for the price change calculation instead.
The reason why the ATR is used is the following - the % change works OK for middle term timeframes. But for short timeframes and long timeframes it tends to be either too slow or too fast. Here is a comparison of this indicator (upper) and the "classical" version (lower) on daily timeframe. It is obvious that the difference is big and that the "trend" should be redefined in the "classical" calculation.
![QQE of Parabolic Weighted Velocity](https://c.mql5.com/i/code/indicator.png)
This version of QQE is using Parabolic Weighted Velocity to determine trend.
![QQE of Velocity](https://c.mql5.com/i/code/indicator.png)
This version of QQE is using Velocity indicator to determine trend.
![STD Trend Envelopes](https://c.mql5.com/i/code/indicator.png)
Trend Envelopes indicator that uses Standard Deviation for the price change calculation.
![STD Trend Envelopes - RSI](https://c.mql5.com/i/code/indicator.png)
This version of Trend Envelopes RSI indicator differs in one significant point: instead of using fixed value (5) for envelopes calculation, standard deviation (adjusted by multiplier) of the calculated RSI is used for envelopes calculation.