fir moving average
Info
The fir moving average is a Script for MetaTrader 4 that this moving average smooths prices using a selected digital filter. the filter itself is the same (an ideal low-pass filter), but there are several approximations of its impulse response.
Usage
This tool is typically used for enhancing chart analysis and decision making.
Platform
This Script works exclusively on MetaTrader 4 (both build 600+ and newer versions).
Setup
Place the downloaded file in MQL4/Scripts folder via File ? Open Data Folder in MetaTrader 4.
How to Install and Use fir moving average
1. Installation: Move your script file into the MQL/Scripts directory and restart the platform.
2. Execution: Drag the script onto a chart; it will perform a one-time action, such as closing all open orders or clearing chart objects.
3. Editing: Use MetaEditor (F4) to modify code, click "Compile," and verify no errors appear in the terminal before running.
4. Removing: Scripts stop automatically, but you can remove them manually by right-clicking the chart and choosing "Remove Script."
Frequently Asked Questions
Q: How are scripts different from EAs? A: Scripts execute a single action and then stop; EAs monitor the market and trade continuously.
Q: Can I assign a hotkey to a script? A: Yes, right-click the script in the Navigator, select "Set Hotkey," and define your preferred keyboard shortcut.
Q: Why did my script stop? A: Scripts are designed to stop immediately after finishing their programmed command; this is normal behavior.
What this tool does
this moving average smooths prices using a selected digital filter.
Typical Use Case
This Script excels in automated trading and technical analysis on MetaTrader 4.
Compatible Platform & Setup
This Script works on MetaTrader 4. Place the file in the MQL4/Scripts folder and restart the terminal.
Description & Settings
Related: e-moving in wl - another powerful script for MetaTrader 4 traders.
this moving average smooths prices using a selected digital filter. the filter itself is the same (an ideal low-pass filter), but there are several approximations of its impulse response. these approximations are chosen by the input variable window.Also recommended: Moving Average Difference Oscillator - similar script with strong performance on MetaTrader 4.
fir ma
here is the full list of input parameters:
periods - sets the bandwidth of the low-pass filter, which is equal to 1 / (2*periods);
taps - the number of delay elements in the filter (must be an odd number), meaning the filter requires taps prices to form a new smoothed ma value;
window - selects the filter approximation as follows:
window=1 - rectangular window
window=2 - hanning
window=3 - hamming
window=4 - blackman
window=5 - blackman-harris
the problem with any digital filter, including sma and ema, is the delay equal to (taps - 1) / 2.
You may also like: multi timeframe moving average indicator - excellent alternative for script users on MetaTrader 4.
Source Code
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 red
#property indicator_width1 2
#define pi 3.141592653589793238462643383279502884197169399375105820974944592
extern int periods = 4; // 1/(2*periods) sets the filter bandwidth
extern int taps = 21; // must be an odd number
extern int window = 4; // selects windowing function
double firma[];
int init().......
⚠ Limitations & Risk Warning
- This tool is provided for educational and testing purposes only.
- Past performance does not guarantee future results.
- Trading involves substantial risk of loss. Use on a demo account first.
- Results may vary depending on market conditions, broker, and settings.
- We recommend thorough backtesting and forward testing before using with real funds.