Introduction
Ever felt like you’re always a step behind the market? Watching price trends slip through your fingers, while paid EAs promise the moon and barely move the needle? Well, you’re not alone… traders everywhere get frustrated paying big bucks for bots that underperform. Enter Alligator EA V1.1 by YoForex—100% free on MQL5.software, built around Bill Williams’ famous Alligator indicator to sniff out trending moves early and ride them for max profit. No shady martingale schemes, no hidden fees… just a solid, back-tested engine that uses the Alligator’s jaws, teeth, and lips to lock onto real trend starts. Whether you’re a total newbie or a seasoned pro, this EA’s super-easy setup gets you trading the trend on MT4 in minutes.
Overview
Alligator EA V1.1 is a MetaTrader 4 expert advisor designed to automate trend-following trades using the Alligator indicator’s three moving averages: the jaw (blue), teeth (red), and lips (green). When these lines “wake up” and spread apart, it signals a trending market—and our EA jumps in with a calculated lot size and adaptive stop loss. When the lines converge, it closes trades to protect profit. Developed by YoForex’s quant engineers, this EA has been rigorously tested on multiple currency pairs—EURUSD, GBPUSD, USDJPY—and timeframes from M15 to H1.
- Engineered for trending markets: captures both strong and moderate trends
- Adaptive risk management: dynamic lot sizing based on account balance
- Built-in filter: ignores chop and whipsaws by requiring a minimum Alligator spread
- Live-market verified: YoForex’s trading desk has run it on a VPS since Jan 2025
If you’re new to EAs, check our Beginner’s Guide to Expert Advisors for step-by-step help. Or compare with our popular Moving Average EA to see why Alligator EA’s multi-line approach shines in trending conditions.

Key Features
• +Trend detection via Alligator’s jaw, teeth, and lips moving averages
• +Dynamic lot sizing: scales risk 0.5–2% per trade
• +Configurable stop-loss and take-profit per trade
• +Minimum Alligator spread filter to avoid low-volatility noise
• +Time filter: trade only during specified sessions (London/New York)
• +Trailing stop option to lock in gains as trend extends
• +Equity protection: max drawdown limit closes all trades if hit
• +Auto-disable on news events via built-in news filter
• +Supports EURUSD, GBPUSD, USDJPY (others configurable)
• +Light on CPU—perfect for VPS or home PC
Backtest Results & Proof
We back-tested Alligator EA V1.1 over five years (Jan 2018–Dec 2022) on EURUSD H1 using tick data. Starting with $10,000:
- Total net profit: +125%
- Max drawdown: 7.2%
- Trades executed: 840
- Win rate: 62%
- Average profit/loss ratio: 1.9
The equity curve shows smooth, uphill performance with no massive equity dips—thanks to the Alligator spread filter and drawdown protection. YoForex’s live-demo deployment (Jan–Apr 2025) on GBPUSD M30 mirrored these results: +8.3% net profit, 6% max drawdown, and 58 winning trades out of 90. See Image #1 for the backtest equity curve and Image #2 for a risk vs. reward infographic that highlights how Alligator EA locks in consistent gains while capping losses.
How to Install & Configure
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Download the EA file from its MQL5 page:
Download Alligator EA V1.1 -
Copy
Alligator_EA_V1_1.ex4to your MT4 →MQL4/Expertsfolder. -
Restart MT4 or right-click Navigator → Refresh.
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Attach the EA to your chosen chart (e.g. EURUSD H1).
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Inputs tab: apply recommended defaults, or tweak:
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RiskPercent= 1.0 -
AlligatorPeriodJaws= 13,Teeth= 8,Lips= 5 -
MinSpreadPips= 10 -
TradeStartHour= 8,TradeEndHour= 18
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Common tab: enable “Allow automated trading” and “Allow DLL imports.”
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Click OK and ensure AutoTrading is on—EA takes over from here.
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Why Choose YoForex-Powered Tools?
YoForex Corp has been in the algo-trading game since 2018, pushing free, performance-driven EAs and indicators on MQL5.software. We’re not some faceless dev shop: our in-house traders and quants continuously refine code, push updates, and engage with a global community via Telegram. No subscriptions, no trial period—just lifetime access to fully supported tools. Check out our YoForex homepage for more freebies and our commitment to trader education.
Support & Contact
Got a bug? Feature idea? Need help configuring? Hit us up:
- WhatsApp: https://wa.me/+443300272265
- Telegram: https://t.me/yoforexrobot
Call to Action
Ready to ride the trend with Alligator EA V1.1? Download it now for free, attach it to your MT4, and let those moving averages do the heavy lifting—so you can trade smarter, not harder. Don’t wait… start capturing trending moves today.
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