Passband Filter Oscillator MT4
- Indicators
-
Do Thi Phuong Anh
I am PA, a 33-year-old Forex trader with eight years of market experience and three years of experience developing tools on MQL5.
I create calculation tools and indicators designed to help traders manage risk. These tools are for educational purposes only and do not constitute financial advice. - Version: 9.0
- Updated: 19 August 2026
- Activations: 5
Passband Filter Pro
Passband Filter Pro is a trend and cycle oscillator for MetaTrader 4. It is built on the Ehlers Super Passband Filter, a band pass filter that removes long term trend drift and short term noise so that only the dominant market cycle remains. The result is a clean oscillator with a color cloud that shows overbought and oversold conditions, cycle turns, and momentum on forex, gold, indices, stocks and crypto.
Most traders enter too early or too late. Simple moving averages lag, and standard oscillators give many false readings in noisy markets. It is hard to see when a move is stretched and a pullback or reversal is likely. Traders need a calmer way to read the market cycle and to time buy and sell decisions without staring at every candle.
What The Indicator Does
Passband Filter Pro isolates the market cycle and plots it as a smooth line inside two adaptive bands. The bands scale automatically with volatility, so the same settings work across different symbols and timeframes without constant adjustment. A warm color cloud marks the up phase when the filter is above the upper band, and a cool color cloud marks the down phase when the filter is below the lower band. The filter values on closed bars do not repaint, which makes the history reliable for study and review.
Key Features
- Ehlers Super Passband Filter engine that separates cycle from trend and noise.
- Adaptive RMS bands that self scale to market volatility on any symbol.
- Color cloud for fast reading of overbought and oversold cycle phases.
- Warm tones for the up phase and cool tones for the down phase.
- Multi timeframe mode to display a higher timeframe cycle on the current chart.
- Many price options including Heikin Ashi for smoother input.
- Scalping, intraday and swing presets for quick setup.
- No repaint on closed bars for honest historical values.
- Works on forex, gold XAUUSD, indices, metals, stocks and crypto.
- Works on all timeframes from M1 to MN.
How To Use
Read the oscillator together with market structure. A cool cloud below the lower band shows an oversold cycle, and when the filter line turns up out of that cloud it points to a possible long entry. A warm cloud above the upper band shows an overbought cycle, and when the filter line turns down out of that cloud it points to a possible short entry. For a trend aligned method, take long setups when price is trading above your trend reference and short setups when price is below it. Many traders combine Passband Filter Pro with a moving average, support and resistance, or price action for confirmation.
Notes
Passband Filter Pro is a technical analysis indicator for MetaTrader 4. It does not open or close orders and does not send trades. It is a decision support tool for discretionary and systematic traders who want a clear view of trend, cycle and reversal conditions. Please test it on a demo account and on your own history before using it in a live account.
