ALF Indicator MT4
Platform: MT4 Type: Trend Last update: February 21, 2026The ALF Indicator for MT4 works in a similar manner to the Moving Average indicator. In fact, the ALF abbreviation stands for Adaptive Laguerre Filter.
Example chart:

How to use the ALF Indicator for MT4?
The way that trading signals are generated is based on crossovers between candles and the ALF indicator.
When a candle closes above the ALF line in an uptrend market – it is a long signal. Conversely, when a candle closes below the blue line in a downtrend market – it is a short signal.
The adaptive nature of the indicator results in a cleaner alignment between the signal line and the price.
