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mql5/Experts/mt5-fx-gold-ea/README.md
Chinedu Emmanuel Chukwu 18edbde75c ger
2025-08-14 19:25:09 -04:00

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CascadeGreepEA (MT5) — FX Majors & Gold

Educational, not financial advice. This EA implements ATR-based risk management with simple RSI mean-reversion plus optional trend filter. It enforces max open positions across the account and a kill-switch at a configured drawdown.

Features

  • ATR-based stop; optional ATR trailing stop and ATR take profit.
  • Risk-based position sizing by percent of equity (default 1%).
  • Max open positions cap (default 5) across the account.
  • Kill-switch: stop trading (and optionally close EA positions) if equity drawdown from start hits threshold (default 2%).
  • Signals: RSI(2) extremes on M15 with optional 200 SMA trend filter.
  • Optional Master EA: dynamic auto-adjust on News, Volatility (ATR regime), and Equity regime (no blocking; scales risk/SL/cooldown instead).

Hard Constraints & Red-Team Notes

  • With $25 equity and 2% risk cap, intended per-trade risk is ~$0.50. On most brokers the minimum lot is 0.01, which risks about $1.00 per 10 pips on EURUSD, often exceeding the 2% limit for typical ATR stops. The EA will skip trades if computed size is below min lot unless you set InpAllowTradeIfBelowMinLot = true. This EA enables it by default but caps effective risk when forcing min lot (see Execution Safety).
  • Achieving +$1,000 in 30 days from $25 with 2% max drawdown is effectively infeasible. Expect skipped trades or constraint violations without a cent account (or 0.001 lot broker) and/or more capital/time/risk.
  • "No commission/slippage" is not realistic. Spreads still apply, and slippage can occur.

Installation (MT5)

  1. Open MetaTrader 5 → File → Open Data Folder.
  2. Navigate to MQL5/Experts/ and create a folder CascadeGreepEA/ (optional).
  3. Copy CascadeGreepEA.mq5 into MQL5/Experts/CascadeGreepEA/.
  4. Open MetaEditor, compile CascadeGreepEA.mq5 (F7). Fix any broker-specific warnings if shown.
  5. In MT5, enable AutoTrading (Ctrl+E) and allow algo trading in Tools → Options → Expert Advisors.
  6. Attach the EA to charts for your chosen instruments (EURUSD, AUDUSD, USDCAD, USDJPY, XAUUSD; verify symbol suffixes). One chart per instrument.

Recommended Inputs

  • Risk Management
    • InpRiskPercent: 1.0–2.0
    • InpKillSwitchDDPercent: 2.0
    • InpMaxOpenPositions: 5
    • InpAllowTradeIfBelowMinLot: true (enabled by default; guarded by caps below)
    • InpCloseOnKillSwitch: true
  • Signals
    • InpSignalTF: M15 (tunable)
    • InpSMAPeriod: 200, InpUseTrendFilter: true
    • InpRSIPeriod: 2, InpRSILow: 5, InpRSIHigh: 95
  • Stops/Targets
    • InpATRPeriod: 14
    • InpATRMultiplierSL: 2.0
    • InpUseTrailing: true, InpTrailATRMultiplier: 1.0
    • InpTP_ATR_Mult: 0.0 (disabled) or 2.0–3.0

Execution Safety Inputs (tune per broker/symbol)

  • InpMaxSpreadPoints: 15–25 for EURUSD-type majors; 30–80 for XAUUSD (points depend on broker digits).
  • InpMaxATRPoints: 0 to disable; else cap extreme volatility days (e.g., 300–800 for majors; higher for XAUUSD per broker digits).
  • InpDailyLossLimitPercent: 2.0 (matches your max-DD tolerance); InpCloseOnDailyLoss: true.
  • InpMinBarsBetweenTrades: 3–5 to reduce clustering/overtrading per symbol/TF.
  • InpMaxRiskPctWhenForcingMinLot: 2.0 recommended (non-XAU); InpMaxRiskPctWhenForcingMinLot_XAU: 1.0 recommended. If min-lot risk exceeds cap, EA skips the trade.

Master Adjustments (Worker EA)

  • InpUseMasterAdjust (bool): if true, the EA reads dynamic factors published by the Master EA via terminal Global Variables.
  • InpGVNamespaceEA (string): namespace prefix to read from (default CGreep). Must match the Master EA.
  • Auto-adjust behavior (no blocking):
    • Risk percent is scaled by risk_mult (0.2–1.0 typical). Only scales down, never up beyond your InpRiskPercent.
    • Stop/take-profit and trailing ATR distances are multiplied by sl_mult (wider under stress).
    • Cooldown bars are multiplied by cooldown_mult (longer under stress).
    • Min-lot risk cap is tightened proportionally to risk_mult (cap is never loosened).

How it trades

  • On new bar of InpSignalTF, if no position is open for the chart symbol and total open positions < cap:
    • Long: RSI <= InpRSILow and price above SMA(200) if trend filter on.
    • Short: RSI >= InpRSIHigh and price below SMA(200) if trend filter on.
  • SL set to ATR * InpATRMultiplierSL from entry.
  • Position size chosen so SL loss ≈ InpRiskPercent of equity, respecting broker min lot and lot step.
  • Trailing stop moves by InpTrailATRMultiplier ATR behind price.

Multi-Symbol & Timeframes Setup

  • Attach the EA to one chart per symbol you want to trade and set InpSignalTF to M15, M30, H1, or D1 as desired.
  • The EA enforces one open position per symbol across the account; attaching multiple timeframes for the same symbol will not stack exposures.
  • For unified risk control across all instances, set the same InpMagic on every chart so daily-loss/kill-switch closures act on all EA trades.

Master EA (Optional) — News/Volatility/Equity Auto-Adjust

File: CascadeGreepMasterEA.mq5

Run this EA on a single chart to compute regime-aware adjustments per symbol and publish them as Global Variables. The worker EA (CascadeGreepEA.mq5) reads and applies them without blocking trades.

How it works

  • News factor: uses MT5 Economic Calendar to derive a risk multiplier around upcoming/just occurred events for the symbol currencies (e.g., EURUSD → EUR and USD). Near high-impact events, risk_mult slides toward InpNewsWeightHigh (e.g., 0.30). Outside news windows, factor is 1.0.
  • Volatility factor: compares current ATR to an H1 ATR average and reduces risk under elevated volatility. Optionally allows slight upsize in very low volatility if desired (off by default).
  • Equity factor: reduces risk after daily soft drawdown; optionally allows a tiny boost after daily profit (off by default).
  • Composition: final risk_mult = min(news, vol, equity), then derives sl_mult and cooldown_mult from (1 - risk_mult).

Master EA Inputs (key)

  • InpSymbols: semicolon-separated list (e.g., EURUSD;AUDUSD;USDCAD;USDJPY;XAUUSD).
  • InpGVNamespace: must match worker InpGVNamespaceEA (default CGreep).
  • InpUpdateSeconds: publish cadence.
  • News: InpNewsWindowBeforeMin, InpNewsWindowAfterMin, weights for low/medium/high.
  • Volatility: InpVolTF, InpATRPeriod, InpATRAvgLookback, InpVolMinRiskFactor, InpVolAllowUpsize.
  • Equity: InpDailyLossSoftPercent, InpEquityMinRiskFactor, InpEquityAllowUpsize, InpDailyWinBoostCap.
  • Composition: InpMinRiskFactor, InpMaxRiskFactor, InpSLMultGainOnCut, InpCooldownGainOnCut.

Setup Steps

  1. Compile and attach CascadeGreepMasterEA.mq5 to one chart (any symbol). Ensure the Economic Calendar is available in your terminal.
  2. Set InpSymbols to match the symbols you trade and keep the namespace as CGreep unless you change it in the worker.
  3. On each traded symbol chart, attach CascadeGreepEA.mq5 with InpUseMasterAdjust = true and InpGVNamespaceEA = CGreep.
  4. Watch the Experts log for lines like [MASTER] EURUSD rf=0.62 sl_mult=1.76 cd_mult=2.38 and worker logs confirming adjusted cooldown and risk.

Kill-switch behavior

  • If equity drawdown from EA start >= InpKillSwitchDDPercent:
    • Trading is disabled until EA is re-initialized.
    • If InpCloseOnKillSwitch = true, EA attempts to close its own positions.

Live-Use Checklist

  • Broker supports the instruments and symbol names you use (e.g., XAUUSD may be suffixed).
  • Broker min lot and lot step allow sizing within your risk limits, or use a cent account / nano-lot broker.
  • MarketWatch includes all symbols you plan to trade; charts are open and EA attached.
  • AutoTrading enabled; account hedging settings compatible with EA.
  • InpMagic: use the same value across charts if you want all EA positions closed together on kill-switch/daily loss.
  • InpMaxOpenPositions: this cap is account-wide (includes manual and other EA trades). If you prefer an EA-only cap, ask to switch to magic-filtered counting.

Notes

  • The EA limits to one position per symbol for safety. Attach to multiple charts for multi-symbol trading. The total open positions cap is enforced across the account.
  • Logs will explain skipped trades (e.g., size below min lot, position cap reached, kill-switch).

Disclaimer

This software is provided "as is", for educational purposes only. Trading involves risk, including loss of principal. Use at your own risk.