An indicator alert is based on one of several technical studies.

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Average Directional Index (ADX) / DMI
Bollinger Bands
Commodity Channel Index (CCI)
Elliot Wave Oscillator
MA Convergence-Divergence (MACD)
Moving Average (Simple)
Moving Average (Weighted)
MovingAverage (Exponential)
Parabolic SAR
Relative Strength Index (RSI)
Rate of Change (ROC)
Stochastics
Williams %R

See Also

Forex Price Alerts
Economic Calendar Alerts