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Trend Indicators in forex trading market

Trend Indicators in Forex

Trend indicators form the essential part of doing technical analysis in Forex market. They  help to interpret the price movement of a currency indicating whether the price movement is strong or is likely to reverse. Due to the trend indicators the price movement is analyzed by studying how its moving averages are trending.  Either a simple moving average or an exponential moving average can be used and any period of time can be studied. Here are presented the characteristic features and the way of calculation of the following trend indicators: Average Directional Index (ADI), Indicator Moving Average (MA), Indicator Moving Average of Oscillator (OsMa) and Parabolic Indicator.

Average Directional Index(ADX)

ADX Forex Indicator
ADX Forex Indicator
  • developed by Welles Wilder is a technical indicator which is designed to determine trend strength and further possible price movements. This is done by comparing the difference between two consecutive highs and the difference between lows. Actually the direction of indicator which is marked by bold line is believed to reflect the strength of current
    trend:
    • If the ADX rises (usually surging above 25) this implies strengthening market trend.
    • If the ADX falls this implies that trend development is doubtful. If the value is below 20 it is a sign of neutral trend.
    There exist additional confirmation signals:
    • Buy signal is generated if +DI (green line) climbs above -DI (red line).
    • Sell signal is generated if -DI climbs above +DI.
  • How to calculate

    [share-to-unlock]
  • ADX = MA [((+DI) – (-DI)) / ((+DI) + (-DI))] x 100;
    where:
    +DI    Plus Directional Indicator.
    -DI     Minus Directional Indicator.[/share-to-unlock]

Moving Average Indicator

MA is an instrument of technical analysis which displays the average price during a certain period of time. It is used to smoothen price fluctuations and determine the strength and direction of trend. Based on the method of averaging, it’s possible to distinguish between three types of moving averages: simple moving average (SMA), smoothed moving average (SMMA) and exponential moving average (EMA).

Simple Moving Average
Simple Moving Average

 

Moving average and price movements:

• If price crosses its rising (falling) moving average curve from below (above) a strong buy (sell) signal arises.
• If price crosses its falling (rising) moving average curve from below (above) a weak buy (sell) signal arises.

Moving average curves of different periods:

• If a rising (falling) lower-period curve crosses another rising (falling) longer-period curve from below (above)
a strong buy (sell) signal arises.
• If a rising (falling) lower-period curve crosses another falling (rising) longer-period curve from below (above)
a weak buy (sell) signal arises.

How to calculate

SMA = Sum (Close (i), N) / N,
where:
Close (i) – current close price;
N – period of averaging.
EMA(t) = EMA(t-1) + (K x [Close(t) – EMA(t-1)]),
where:
t – current period;
K = 2 / (N + 1), N – period of averaging.

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