XAUUSD Adaptive Mean Reversion EA: Free MT5 Expert Advisor

Overview

XAUUSD Adaptive Mean Reversion EA uses multi-timeframe filters, including exponential moving averages and ADX on the H1 timeframe, to identify trend direction while executing entries on M15 based on RSI and Bollinger Bands. The robot employs a grid with dynamic ATR-based spacing and uses martingale lot scaling to recover positions. Risk controls include an equity drawdown hard stop, emergency stop losses, and a margin level guard to prevent excessive account exposure.

Multi-timeframe trend filtering

Dynamic ATR-based grid spacing

Hybrid basket take profit system

Equity drawdown emergency stop

Margin level protection guard

Details

Author

BlamzKunG on GitHub

Type

Trading robot

Platform

MetaTrader 5 (MQL5)

Strategy

Mean reversion, Grid, Martingale, Trend following, Hedging

Markets

Gold

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

Source

github.com/BlamzKunG/XAUUSD-Grid-EA

Input parameters

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

Name	Type	Default	Description
`InpMagicNumber`	`ulong`	`20250301`	Magic Number
`InpTradeComment`	`string`	`XAU_MeanRev`	Order Comment Prefix
`InpAllowNewEntries`	`bool`	`true`	Allow Opening New Baskets
`InpEntryTF`	`ENUM_TIMEFRAMES`	`PERIOD_M15`	Entry Timeframe (M15 Recommended)
`InpTrendTF`	`ENUM_TIMEFRAMES`	`PERIOD_H1`	Trend Filter Timeframe (H1 Recommended)
`InpEMA_Fast`	`int`	`50`	[H1] Fast EMA Period
`InpEMA_Slow`	`int`	`200`	[H1] Slow EMA Period
`InpMaxEMADiffPoints`	`int`	`2000`	[H1] Max Distance between EMA50 & EMA200 (Points)
`InpADX_Period`	`int`	`14`	[H1] ADX Period
`InpMaxADXForEntry`	`double`	`28.0`	[H1] Max ADX for Entry (Above this = Strong Trend)
`InpTrendEscapeADX`	`double`	`32.0`	[H1] Trend Escape ADX (Trigger Emergency Freeze)
`InpRSI_Period`	`int`	`14`	[M15] RSI Period

Show all 40 inputs

Name	Type	Default	Description
`InpBuyRSI_Level`	`double`	`35.0`	[M15] Buy Oversold RSI Level (RSI < Level)
`InpSellRSI_Level`	`double`	`65.0`	[M15] Sell Overbought RSI Level (RSI > Level)
`InpBB_Period`	`int`	`20`	[M15] Bollinger Bands Period
`InpBB_Deviation`	`double`	`2.0`	[M15] Bollinger Bands Deviation
`InpATR_Period`	`int`	`14`	[M15] ATR Period
`InpGridATRMultiplier`	`double`	`1.4`	Grid Step ATR Multiplier
`InpMinGridStepUSD`	`double`	`3.5`	Minimum Grid Step ($ USD price distance, e.g. $3.50)
`InpMaxGridStepUSD`	`double`	`12.0`	Maximum Grid Step ($ USD price distance, e.g. $12.00)
`InpMaxGridLevels`	`int`	`5`	Maximum Grid Levels per Basket (Strict Cap)
`InpLotStrategy`	`ENUM_LOT_STRATEGY`	`LOT_STRAT_FIXED`	Lot Strategy (Fixed / Mild Mult / Dynamic)
`InpInitialLot`	`double`	`0.01`	Initial Lot Size
`InpLotMultiplier`	`double`	`1.15`	Mild Lot Multiplier (Keep <= 1.20)
`InpMaxSingleLot`	`double`	`0.10`	Max Lot Size per Single Order
`InpMaxExposureLots`	`double`	`0.25`	Max Cumulative Lots in a Basket
`InpRiskPerBasketPct`	`double`	`3.0`	Max Equity Risk % per Basket (for Dynamic Sizing)
`InpTPMode`	`ENUM_TP_MODE`	`TP_MODE_HYBRID`	Take Profit Mode
`InpBasketTPPercent`	`double`	`0.50`	Basket TP (% of Balance, e.g. 0.5%)
`InpBasketTPUSD`	`double`	`15.0`	Basket TP ($ USD Fixed, e.g. $15.00)
`InpBasketTP_ATR_Factor`	`double`	`0.30`	TP Distance from Weighted Average (ATR_M15 * Factor)
`InpUseBasketTrailing`	`bool`	`true`	Enable Basket Trailing Stop
`InpTrailStartUSD`	`double`	`10.0`	Trail Start Target ($ USD)
`InpTrailStepUSD`	`double`	`3.0`	Trail Step / Lock-in Distance ($ USD)
`InpEquityStopPercent`	`double`	`8.0`	Equity Drawdown Hard Stop % (Close All & Pause)
`InpUseEmergencyATR_SL`	`bool`	`true`	Emergency SL based on ATR(H1) from First Entry
`InpEmergencySL_ATR_Mult`	`double`	`3.5`	Emergency SL ATR(H1) Multiplier (e.g. 3.5x H1 ATR)
`InpUseTrendEscape`	`bool`	`true`	Enable Trend Escape Safety Cut
`InpTrendEscapeMaxLossUSD`	`double`	`60.0`	Max Loss to Trigger Trend Escape Cut ($ USD)
`InpMarginLevelFreeze`	`double`	`200.0`	Margin Guard: Stop New Grid if Margin Level % < threshold

How to install it

1Download the sourceUse "Download source (.zip)" above, or clone BlamzKunG/XAUUSD-Grid-EA 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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