What is mth_FastTMALine?
mth_FastTMALine displays a triangular moving average (TMA) together with upper and lower bands based on an ATR multiplier. The center line and bands are drawn directly on the MT4 price chart.
The indicator includes color states for the center line and separate options for alert delivery. These display and notification features are independent of any trading decision.
How to use mth_FastTMALine

Review the center line and the distance to the two ATR-based bands as chart context. The band spacing changes with the ATR calculation and therefore reflects the recent range used by the indicator.

TimeFrame selects the timeframe, while TMAPeriod, ATRMultiplier, and ATRPeriod control the main calculation windows. ShowCenterLine and the alert inputs control display and notifications.
Where it helps
A smooth center line and volatility-based boundaries are shown together.
ATRMultiplier and ATRPeriod expose the width controls.
The package includes independent message, sound, and email options.
MT4 Indicator Parameters
The table below lists the available MT4 indicator parameters. You can customize these options in the MetaTrader Inputs dialog to match your trading preferences.
| Parameter | Description |
|---|---|
| Time Frame | Selects the timeframe used for the displayed calculation. Default: Current. |
| TMA Period | Sets the period used by the triangular moving average. Default: 17. |
| Price | Selects the price field used by the calculation. Default: PRICE_CLOSE. |
| ATR Multiplier | Sets the multiplier used for the ATR-based band distance. Default: 1.7. |
| ATR Period | Sets the ATR calculation period. Default: 100. |
| Trend Threshold | Sets the threshold used for the center-line state calculation. Default: 0.25. |
| Show Center Line | Shows or hides the center line. Default: true. |
| Alerts On | Enables or disables the alert system. Default: false. |
| Message Alerts | Enables or disables message alerts. Default: false. |
| Sound Alerts | Enables or disables sound alerts. Default: false. |
| Email Alerts | Enables or disables email alerts. Default: false. |
| Move Endpoint Every Tick | Controls whether the displayed endpoint is recalculated on every tick. Default: false. |
| Maximum Bars Back | Sets the maximum historical bar count used by the indicator. Default: 5000. |

The screenshot above shows the default input parameters in the MT4 settings window.
How to Install .ex4 Indicator in MetaTrader 4
- Download the ZIP file and extract it.
- In MT4, select File → Open Data Folder.
- Open MQL4 → Indicators and copy the EX4 or MQ4 file into it.
- If the package includes library files, copy them to MQL4 → Libraries. Copy TPL files to the top-level templates folder.
- Restart MT4, find the indicator in the Navigator, and drag it onto a chart.
Test the tool on a demo account first. File contents and required folders can vary between packages.



