BO Arrows
From the Old Kings archive: BO Arrows, an indicator for MetaTrader 4. Judging by its name, it is built around buy / sell signals on the chart. In the code it works with Bollinger Bands. It draws arrows on the chart and can send alerts. It has 35 settings, for example Processed (default 2000), Control Period (default 20) and Signal Period (default 10). Load it on a demo chart and check whether its signals repaint before trusting them. Inside: 3 indicator files 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 BO Arrows
BO Arrows is an indicator for MetaTrader 4 based on Bollinger Bands. It draws buy and sell arrows on the chart and can alert you with a pop-up, sound, email or push message. It has 35 settings, such as Processed, Control period and Signal period. MQL source code included.
Files in the download: !vertex.ex4, !vertex.mq4, BO_Arrows.mq4.
Settings
| Setting | Default | What it does |
|---|---|---|
| Processed | 2000 | |
| Control period | 20 | Period or timeframe used by the calculation |
| Signal period | 10 | Period or timeframe used by the calculation |
| Signal method | MODE_SMA | |
| Bb up period | 12 | Period or timeframe used by the calculation |
| Bb up deviation | 2 | |
| Bb dn period | 12 | Period or timeframe used by the calculation |
| Bb dn deviation | 2 | |
| Level ob | 8 | |
| Level os | -8 | |
| Alerts on | true | Turn this alert on or off |
| Alerts on current | true | Turn this alert on or off |
| Alerts message | true | Turn this alert on or off |
| Alerts sound | true | Turn this alert on or off |
| Alerts email | false | Turn this alert on or off |
| Soundfile | alert2.wav | Turn this alert on or off |
| Arrow space | 4.5 | |
| Arrows up code | 233 | |
| Arrows dn code | 234 | |
| Alert on current | True | Turn this alert on or off |
| Signal break bb | <<=Must break bb=>> | |
| Vbb break | true | |
| Arrow filter | <<= Dont Show Arrows on counter-candles | |
| Candle filter | false | |
| Bollinger bands | <<= Bollinger Bands Settings =>> | |
| Use bb | true | |
| Bb period | 120 | Period or timeframe used by the calculation |
| Bb deviations | 2.0 | |
| Vertex | <<= Vertex Settings =>> | |
| Stat | <<== Statistical Data ==>> | |
| Expiry candles | 3 | |
| Text corner | CORNER_LEFT_LOWER | |
| Text font | Arial | |
| Text size | 12 | |
| Text color | Silver | Colour on the chart |
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: Buy/Sell Arrows · Alerts · Bollinger Bands · MT4 Indicator · MQL4 Source Code