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How to Write an Expert Advisor or an Indicator

MQL4 Source Codes of Expert Advisors for MetaTrader 4 - 6

Various applications to automate analysis and trading are available in the 'Expert Advisors' section. It features various applications based on different trading algorithms and provides different degrees of automation. You can find simple EAs and complex trading robots that can fully automate analysis and trading processes.

These applications can be downloaded and run in MetaTrader 4. It is recommended to test and optimize Expert Advisors in the Strategy tester. The Expert Advisors from the library can be accessed from the MetaTrader 4 platform and the MetaEditor development environment.

latest|best

This Expert Advisor is based on one of 17 Proven Currency Strategies by Mario Singh.

Order_EA is a simple visual oriented program that uses drag & drop scripts to control order processing.

Hybrid Scalper is the Expert Advisor based on many indicators.

TrendCollector is the EA based on price action, Stochastic indicator, specific EMA's (206) crossings, and trade size variability based on ATR and time of a day.

This Expert Advisor is based on Murrey lines, Stochastic Oscillator, Bollinger Bands and Candles.

The EA manages open position with a user defined Trailing Stop.

This EA automatically sets preconfigured Stop Loss and Take Profit value on all orders with empty TP & SL.

This EA makes it possible to trade semi-automatically using manually pre-defined support/resistance or breakout levels.

The Expert Advisor shows information about the current spread.

The Expert Advisor makes random buy/sell with automatic Trailing Stop.

The SmartAssTrade-V2 Forex Expert Advisor is a new update for SmartAssTrade EA Version 1.

AutoTStop EA does not work to open the orders, but only helps trader to use Trailing Stop.

Expert Advisor that moves Stop Loss according to Fibonacci retracements or expansions.

The idea is to work with a trigger, based on ADX, CCI, RVI, WPR and EMA.

Helps trader by setting automatic Stop Loss (SL) and Take Profit (TP) on trades while scalping.

This is simple copy of STUFIC PRO strategy which you can follow as signal or buy at the market.

This strategy uses hedging if trend changes.

Expert Advisor work with one hour chart, and is the best robot for now, plays a sound when orders/alarms are executed and multiply positions by 10 when 5 digits is true, trailing stops every tick regardless of Execution Mode.

Trade using Renko Boxes in MetaTrader 4.

xLiquidex_V2_Mod1 is an Impulsive/Volatility/Breakout Expert Advisor.

This template code contains basic features and functions required for the developing the Expert Advisor.

Auto pending and manage orders by RSI, lower risk at weekend, send mails if necessary.

EA to find gaps in history data.

Stochastic RSI Expert Advisor.

Relative Strength Index Expert Advisor.

Pivot Point Reversal scalping Expert Advisor.

X-liquidex is an Impulsive/Volatility/Breakout EA. It uses Range, Moving averages and Keltner channel. It's logics are simple yet powerful.

The Expert Advisor determines buy and sell based on Moving Averages, it also uses ADX and RSI.

Ilan16 Expert Advisor for MetaTrader 4.

Mail all order status periodically.

Break out strategy based on Bollinger Bands.

Expert Advisor that closes orders after defined profit or loss.

Realize virtual profit trailing.

Parabolic SAR ADX Expert Advisor.

Expert Advisor template with Trailing Stop, autolots, candle scan, buy block sell, buystop / sellstop. Working ea example and many improvements in template!

This Expert Advisor is based on SMA, ADX and SAR indicators.

The Expert Advisor shows the current values of World Stock Indices from Google Finance using WebRequest function.

The Expert Advisor shows the properties of the signals, allows to modify the signal copy settings and subscribe or unsubscribe to the selected trade signal.

This is a percentage of the user set stop-loss or profit robot.

Advisor exposes not visible to brokers levels StopLoss, TakeProfit, Breakeven, Traling stop

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