BB Diff
BB Diff — a MetaTrader 4 indicator kept in the Old Kings collection. Its source code uses Bollinger Bands. It has 3 settings, for example bb Period (default 20), bb Dev (default 2.0) and display Text (default Bollinger Band Differenc). Load it on a demo chart and check whether its signals repaint before trusting them. Inside: 1 indicator file with source code (.mq4) you can open and edit in MetaEditor. Old Kings are classic community tools shared as-is. Not tested by PolyMaria. Try it on a demo account first. Are you the author of this tool? Message us on Telegram (@abumarket_support) and we will credit you or take it down.
Indicator · MT4 · v1.0 · Free
About BB Diff
BB Diff is an indicator for MetaTrader 4 based on Bollinger Bands. It has 3 settings, such as Bb period, Bb dev and Display text. MQL source code included.
Files in the download: BB_Diff.mq4.
Settings
| Setting | Default | What it does |
|---|---|---|
| Bb period | 20 | Period or timeframe used by the calculation |
| Bb dev | 2.0 | |
| Display text | Bollinger Band Difference: |
How to install
- Download the ZIP from your PolyMaria library and unzip it.
- In MetaTrader 4 open File → Open Data Folder, then go to MQL4 → Indicators.
- Copy the .mq4 file(s) there. Put any .mqh files in MQL4 → Include.
- Open the .mq4 file in MetaEditor and press Compile (F7) if MetaTrader does not show it.
- Drag the indicator from the Navigator onto a chart and adjust the settings.
Tags: Bollinger Bands · MT4 Indicator · MQL4 Source Code