B4: Free MT4 Expert Advisor

Overview

B4 employs multiple technical indicators, including Moving Averages, CCI, Bollinger Bands, Stochastic, and MACD, to determine market entry points. The EA features comprehensive risk management controls such as account equity protection, maximum drawdown limits, spread filters, and a holiday shutdown schedule. It manages trades in baskets and includes a smart grid system to adjust trade spacing based on market volatility.

Grid-based trade management with lot multipliers

Multi-indicator entry system including MA and MACD

Automated holiday shutdown and spread filtering

Account-wide drawdown and equity protection limits

Details

Author

shturm on GitHub

Type

Trading robot

Platform

MetaTrader 4 (MQL4)

Strategy

Grid, Martingale, Indicator crossover

Markets

Forex

Timeframes

Any timeframe

Risk Profile

Uses martingale lot scaling: losses can grow fast
Opens a grid of orders: exposure builds up in a trend

EA Files

b4/b4.mq4

Source

github.com/shturm/b4

Input Parameters

Read from b4.mq4. Defaults are the author's; change them in the EA's Inputs tab.

Name	Type	Default
`Version_3_9_6`	`string`	`EA Settings:`
`TradeComment`	`string`	`B4`
`EANumber`	`int`	`1`
`EmergencyCloseAll`	`bool`	`false`
`LabelAcc`	`string`	`Account Trading Settings:`
`ShutDown`	`bool`	`false`
`StopTradePercent`	`double`	`10`
`NanoAccount`	`bool`	`false`
`PortionPC`	`double`	`100`
`PortionChange`	`int`	`1`
`MaxDDPercent`	`double`	`50`
`MaxSpread`	`double`	`5`

Show all 40 inputs

Name	Type	Default
`UseHolidayShutdown`	`bool`	`true`
`Holidays`	`string`	`18/12-01/01`
`PlaySounds`	`bool`	`false`
`AlertSound`	`string`	`Alert.wav`
`LabelIES`	`string`	`Indicator / Entry Settings:`
`B3Traditional`	`bool`	`true`
`ForceMarketCond`	`int`	`3`
`UseAnyEntry`	`bool`	`false`
`MAEntry`	`int`	`1`
`CCIEntry`	`int`	`0`
`BollingerEntry`	`int`	`0`
`StochEntry`	`int`	`0`
`MACDEntry`	`int`	`0`
`LabelLS`	`string`	`Lot Size Settings:`
`UseMM`	`bool`	`true`
`LAF`	`double`	`0.5`
`Lot`	`double`	`0.01`
`Multiplier`	`double`	`1.4`
`LabelGS`	`string`	`Grid Settings:`
`AutoCal`	`bool`	`false`
`ATRTF`	`int`	`0`
`ATRPeriods`	`int`	`21`
`GAF`	`double`	`1.0`
`EntryDelay`	`int`	`2400`
`EntryOffset`	`double`	`5`
`UseSmartGrid`	`bool`	`true`
`LabelTS`	`string`	`Trading Settings:`
`MaxTrades`	`int`	`15`

How to Install It

1Download the sourceUse "Download source (.zip)" above, or clone shturm/b4 from GitHub, and unzip it.

2Open the data folderIn MetaTrader choose File, then Open Data Folder, and go to MQL4/Experts.

3Copy the filesCopy the .mq4 file into Experts.

4Compile in MetaEditorOpen the file in MetaEditor and press Compile. Fix any missing includes the compiler reports.

5Test before you tradeRun it in the Strategy Tester, then attach it to a demo chart and allow algorithmic trading.

Third-party code. ForexR did not write, test or endorse this EA, and the summary above was generated automatically from its README and code. ForexR lists only repositories with readable source code and never hosts files. Read the code, backtest it and use a demo account first; automated trading can lose money quickly.

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