Sigma Bands – quia signum MetaTrader 4

Sigma Bands – quia signum MetaTrader 4


A Bollinger band variant that offers more flexibility and accuracy.

In essence, this is an advanced version of the Bollinger Bands

Specifically, in this indicator I have studied the movement of the price for a certain number of bars (BarsCount = 200). For this purpose, the MA with a period of 1 was used (MAPeriod). For that matter, any MA and any number of bars could have been used for analysis. Igitur, two channels will be plotted. One displays the limits where the price ranges 68% of the time for the specified number of bars. The other shows the limits where the price ranges 95% of the time for the specified number of bars.

The Sigma Bands with the default parameters is almost identical to the Bollinger Bands with the same period, equal to BarsCount. But this version has the ability to plot Bollinger Bands not only with any period by changing the BarsCount,but also to plot is based on the selected MA type with any period.

Supported MA types:

  • Simple MA
  • Exponential MA
  • Smoothed MA
  • Linear-weighted MA

Prices that can be used for plotting the channel:

  • Close pretium
  • Patefacio pretium
  • The maximum price for the period (High)
  • The minimum price for the period (Minimum)
  • Median price (altum + humilis)/2,
  • typical pretium (altum + humilis + prope)/3
  • Weighted close price (altum + humilis + prope + prope)/4

All these settings are not available for the standard Bollinger Bands.

By learning how to determine the limits where any indicator or price ranges most of the time, I eneded up with making an example of calculating the standard deviation and Sigma implemented as this indicator. Its formulas can now be adapted for any indicator you like. Sometimes, interesting results can be obtained for indicators that are plotted in separate windows, exempli gratia, the RSI, TVI or others.


The difference between conventional Bollinger Bands and Sigma Bands can be seen only when using non-default settings and MAPeriod > 1.


int MAPeriod = 1; // MA Period

int BarsCount = 200; // Bars for calculating the deviation (Sigma)

int TypeBandsMA = 0; // Type of MA for Bands

int TypePriceMA = 0; // Applied price of MA

color MAColor = clrNONE; // MA color

The analyzed MA is colorless by default. If you want to see it, set a color in the MAColor parameter.


MT4 Indicators – Download Instructions

Sigma Bands – quia signum MetaTrader 4 est Metatrader 4 (MT4) et essentia est transformare signum forex indicator historiae notitia congesta.

Sigma Bands – quia signum MetaTrader 4 occasionem praebet exempla deprehendere pretium varii motus proprietates quae non uidentur nudo oculo.

Fundatur in hoc notitia, adjust motus et mensuram velocitatis negotiatoribus adhuc consilio rem secundum pretium.

How to install Sigma Bands – quia indicator MetaTrader 4.mq4?

  • Download Sigma Bands – quia indicator MetaTrader 4.mq4
  • Copy Sigma Bands – quia indicator MetaTrader 4.mq4 ad Metatrader Directory / peritorum / Indicatores /
  • Aut Start sileo vestri Metatrader Client
  • Select Chart et Timeframe ubi vis ut cognoscam experimentum vestrum indicator
  • Quaerere “Consuetudo Indicators” plerumque in Navigator remanserit in Metatrader Client
  • Right click on Sigma Bands – quia indicator MetaTrader 4.mq4
  • Suggero ut a chart
  • Temperare occasus aut press ok
  • Indicator Sigma Bands – is available for indicator MetaTrader 4.mq4 super Charta

How to remove Sigma Bands – quia ex indicator MetaTrader 4.mq4 Metatrader 4 Chart?

  • Lego Chart ubi est illud Indicis cursor in vestri Metatrader Client
  • Vox click in Chartam
  • “Indicatores album”
  • Lego quod delete Indicis

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Sigma Bands – quia signum MetaTrader 4

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