Technical Indicators

Envelopes (Env)


Purpose

The Envelopes indicator reflects the price overbought and oversold conditions helping to identify the entry or exit points as well as possible trend break-downs.



Usage

The indicator consists of two SMAs that together form a flexible channel in which the price evolves. The averages are plotted around a Moving Average in a constant percentage distance which may be adjusted according to the current market volatility. Each line serves as a margin of the price fluctuation range.


In a trending market take only oversold signals in an uptrend conditions and overbought signals in a downtrend conditions.


In a ranging market the price reaching the top line serves as a sell signal, while the price at the lower line generates a signal to buy.




Calculation

Upper Band = SMA(CLOSE, N)*[1+K/1000]
Lower Band = SMA(CLOSE, N)*[1-K/1000]


Where: 
SMA — Simple Moving Average;
N — averaging period;
K/1000 — the value of shifting from the average (measured in basis points).


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