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06.08.2011
In this blog post we’re going to look at Envelope trading bands. Envelopes (ENV) comprise of two moving averages, one that is geared downward and another that is shifted upward. Envelopes define the normal lower and upper trading boundaries of a currency pair. A sell signal is generated when a currency reaches the upper band, whereas a trader may be more likely to buy if the price hits the lower band. The logic behind Envelopes, and other indicators such as Bollinger Bands, is that buyers and sellers push the price to extremes, at which point the currency pair often stabilises by moving to more realistic levels between the two bands. Envelopes are calculated by shifted moving averages which can be fully customised through the CitiFX Pro platform.
Applying Envelopes to your FX charts is quick and easy with Citi’s trading platform.
The first step is to select the study: Trading > Charts > 
> Trends > Envelopes
Once you have selected the Envelopes study, you will then be presented with a menu (see below). From here you can adjust the settings of the indicator, including the percentage shift and the moving average duration. You can also adjust the aesthetics such as the colour of the bands and the weight of the lines.
Once you have set the properties, click ‘OK’. The screenshot below shows a 2% Envelope of a 25-day moving average.
As you can see from the screenshot above, the Envelope indicator has been overlaid on top of the EURUSD candlestick chart. If you wish to make further changes to the indicator, simply right click on the menu and select Properties (see below).
The CitiFX Pro platform is completely adjustable, allowing traders to create their own bespoke trading environment. The chart itself is as easy to customise as the indicator. Whether it’s changing the time period, or selecting a different chart altogether, the CitiFX Pro platform makes it quick and easy – allowing you to make informed decisions in a matter of seconds.