Straddle Grid: Free MT5 Expert Advisor

Overview

The expert advisor utilizes a gates system to filter entries by ATR volatility, spread limits, and specific GMT trading sessions. It manages positions as a basket with currency-based take-profit, stop-loss, and trailing stop controls. Advanced features include a whipsaw protection module and an experimental FOMC news trading mode. The bot uses a custom lot progression string to scale positions across grid levels.

Bidirectional stop-order grid deployment

Basket-based trailing stop and exit management

ATR-filtered entry gates with spread protection

Whipsaw guard and cooldown mechanism

Experimental FOMC news event mode

Details

Author

wolfbomb on GitHub

Type

Trading robot

Platform

MetaTrader 5 (MQL5)

Strategy

Grid, Breakout, News, Martingale, Hedging

Markets

Gold, Forex

Timeframes

M15-H1

Risk profile

Uses martingale lot scaling: losses can grow fast
Opens a grid of orders: exposure builds up in a trend
Holds opposite positions at once

EA files

MQL5/Experts/Straddle/Straddle_Grid.mq5

Source

github.com/wolfbomb/Straddle_Grid

Input parameters

Read from Straddle_Grid.mq5. Defaults are the author's; change them in the EA's Inputs tab.

Name	Type	Default	Description
`AUTO_TRADING_ENABLED`	`bool`	`false`	SIGMA rule: defaults false, never flip in code
`MagicNumber`	`long`	`20260713`
`GridLevels`	`int`	`9`	per side
`GridSpacingUSD`	`double`	`0.70`	$ between levels (VT XAUUSD-VIP: stops 20 + max spread 35 + buffer 10 pts)
`FirstLevelOffsetUSD`	`double`	`0.50`	$ from anchor to level 1
`LotProgressionCSV`	`string`	`0.01,0.01,0.02,0.02,0.02,0.03,0.04,0.04,0.05`
`OCO_Mode`	`bool`	`true`
`GridTTLMin`	`int`	`45`
`BasketTP_USD`	`double`	`15.0`
`BasketSL_USD`	`double`	`10.0`
`TrailActivate_USD`	`double`	`8.0`
`TrailDistance_USD`	`double`	`4.0`

Show all 27 inputs

Name	Type	Default	Description
`Session1`	`string`	`07:00-10:00`	GMT
`Session2`	`string`	`12:00-15:00`
`ATR_Min_USD`	`double`	`1.5`
`ATR_Max_USD`	`double`	`8.0`
`MaxSpreadPoints`	`int`	`35`
`MinMarginLevelPct`	`double`	`500.0`
`MaxDailyLossPct`	`double`	`3.0`
`FOMCOnlyMode`	`bool`	`false`	additive-only: false = zero effect on gate 1
`FOMCDatesCSV`	`string`	`2026.01.28,2026.03.18,2026.04.29,2026.06.17,2026.07.29,2026.`
`FOMCWindowDays`	`int`	`1`	gate 1 also requires server date within +/- this many days of a listed date
`WhipsawWindowSec`	`int`	`300`
`WhipsawCooldownMin`	`int`	`60`
`MaxWhipsawsPerDay`	`int`	`2`
`ResetWhipsawStateNow`	`bool`	`false`
`DashSelfTest`	`bool`	`false`	synthetic dashboard battery + visual screenshots;

How to install it

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

2Open the data folderIn MetaTrader choose File, then Open Data Folder, and go to MQL5/Experts.

3Copy the filesCopy the .mq5 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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