Ktai XAU DCA: Free MT5 Expert Advisor

Overview

Ktai XAU DCA segments account equity into a primary trading budget and a reserve fund, placing up to twelve levels of DCA orders. Grid spacing relies on ATR, while position sizing uses a quadratic progression budget mapped to broker margin requirements. The system exits positions collectively via a basket take profit, which can target either an ATR-based price distance or a percentage of trading capital. Risk management is handled through pre-trade margin checks, a maximum equity drawdown filter, and an optional basket stop loss.

ATR-adaptive grid spacing

Quadratic progressive budget allocation

Multi-tier pre-trade MarginGuard check

Flexible monthly cycle bands

Details

Author

tiennguyen3000 on GitHub

Type

Trading robot

Platform

MetaTrader 5 (MQL5)

Strategy

Grid, Mean reversion

Markets

Gold

Timeframes

M15-H1

Risk Profile

Opens a grid of orders: exposure builds up in a trend
Trades without a fixed stop loss

EA Files

src/XAU_DCA_EA.mq5

Source

github.com/tiennguyen3000/dca-cau-vang

Input Parameters

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

Name	Type	Default	Description
`InpSymbol`	`string`	`XAUUSD`	Symbol (Exness Standard: XAUUSDm)
`CycleTF`	`ENUM_TIMEFRAMES`	`PERIOD_H4`	Khung xac dinh chu ky
`ATR_TF`	`ENUM_TIMEFRAMES`	`PERIOD_H4`	Khung tinh ATR
`ATR_Period`	`int`	`14`	Chu ky ATR
`DCA_Levels`	`int`	`12`	So muc DCA
`DCA_Capital_Percent`	`double`	`70.0`	% Equity cho DCA (production: <100)
`Reserve_Percent`	`double`	`30.0`	% Equity du tru (production: >0)
`ATR_Multiplier`	`double`	`0.75`	Buoc luoi = ATR x he so nay
`Basket_TP_ATR`	`double`	`0.50`	TP ro = ATR x he so nay
`Max_Equity_Drawdown`	`double`	`40.0`	% DD Equity toi da (dung DCA moi) - 40 de nuoi ro sau, chot lai theo thang
`Min_Margin_Level`	`double`	`300.0`	% Margin Level du kien toi thieu
`MagicNumber`	`ulong`	`26092601`	Magic number

Show all 40 inputs

Name	Type	Default	Description
`InpCycleMode`	`ENUM_CYCLE_MODE`	`CYCLE_MONTH_AUTO`	Nguon band: AUTO thang / MANUAL / CSV
`InpMonthCount`	`int`	`1`	So thang DA DONG lay trung binh + bien do
`InpBandWidthFrac`	`double`	`0.50`	Be rong moi ben = frac x bien do thang TB
`InpManualCenter`	`double`	`0.0`	MANUAL: gia trung binh thang (0 = tu suy)
`InpManualLow`	`double`	`0.0`	MANUAL: Cycle Low
`InpManualHigh`	`double`	`0.0`	MANUAL: Cycle High
`InpCycleCsvFile`	`string`	`KTAI_XAU_DCA_cycles.csv`	CSV: month,anchor,low,high
`InpAnchorMode`	`ENUM_ANCHOR_MODE`	`ANCHOR_BAND_CENTER`	Neo luoi: trung binh thang / gia / mep tren
`InpInvalidateBelowLow`	`bool`	`true`	Gia < Cycle Low -> cycle INVALID, dung DCA moi
`InpRebuildOnBreakHigh`	`bool`	`true`	Gia pha Cycle High -> ghi nhan, tinh lai khi cho phep
`InpUseClosedBarsOnly`	`bool`	`true`	Chi dung nen DA DONG (khong look-ahead)
`InpCooldownBars`	`int`	`6`	So nen CycleTF cho (che do STRUCT_H4)
`InpCooldownDays`	`int`	`1`	So NGAY cho (che do band thang)
`InpCycleLookback`	`int`	`60`	(STRUCT_H4) so nen CycleTF lay High/Low
`InpRenormalizeValidLevels`	`bool`	`false`	Chia lai quyen so chi tren cac muc hop le
`InpSizingMode`	`ENUM_SIZING_MODE`	`SIZING_MARGIN`	Quy ngan sach muc -> lot
`InpExposureFraction`	`double`	`1.0`	He so dung ngan sach (mode EXPOSURE/RISK)
`InpAllowBelowMinLot`	`bool`	`false`	lot < min lot -> dung min lot (CHI de thu nghiem)
`InpMaxPositions`	`int`	`12`	So vi the BUY toi da cua EA
`InpMaxFillsPerTick`	`int`	`1`	So muc DCA toi da khop trong 1 tick (chan dump khi gap)
`InpUsePriceTP`	`bool`	`true`	TP theo gia: avgEntry + ATR x Basket_TP_ATR
`InpMinTPDistance`	`double`	`0.0`	Khoang TP toi thieu (USD, 0 = khong ap)
`InpMinTP_SpreadMult`	`double`	`3.0`	Hoac TP toi thieu = spread x he so nay
`InpUseNetProfitTP`	`bool`	`true`	TP theo NET PROFIT (Profit+Swap+Commission)
`Basket_TP_Percent`	`double`	`1.0`	% DCA capital lam muc tieu net profit
`MaxMarginPercent`	`double`	`25.0`	Ky quy du kien toi da (% Equity)
`MinFreeMarginPercent`	`double`	`30.0`	Free margin sau lenh toi thieu (% Equity)
`InpBasketSL_Percent`	`double`	`0.0`	SL ro (% DCA capital, 0 = TAT)

How to Install It

1Download the sourceUse "Download source (.zip)" above, or clone tiennguyen3000/dca-cau-vang 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, and any .mqh files into the Include folder the code expects.

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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