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How to Write an Expert Advisor or an Indicator

MQL4 Source Code Library for MetaTrader 4 - 70

The largest library features codes of free trading Expert Advisors, technical indicators and scripts. With the available applications you can trade in automated mode and analyze price dynamics. Use the library of codes to learn more about financial market sentiments.

Download free applications, test them and run in your MetaTrader 4. You can access them from the MetaTrader 4 platform and the MetaEditor development environment.

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This indicator shows support and resistance lines based on fractals.

Indicator T3 RSI.

Functions for processing the orders of Spot currency pairs, Spot Gold and Spot Silver with error handling. Revision 1: OrderModify2() & OrderProcess() corrected, OrderProcess() & OrderSend2() enhanced.

Indicator EA Vegas 1hr.

Indicator MTF CCI.

Indicator ITrend.

Indicator T3 RSI.

Indicator T3 CCI.

Indicator Trading hours.

Indicator TSD PP MACD FORCE Ind v1.

Indicator MC.

Indicator iAnchMom.

Indicator VTS.

Indicator WcciChart.

Indicator SmoothCandle S v1.00.

Indicator Т3.

Indicator BrainTrading1

Indicator i-RoundPrice-T01m.

Indicator pfe2.

Indicator EMA Bands v1.

Indicator EMA Predictive2.

Indicator Fib Pivots.

Indicator Ind-SKB-1.

Indicator TZ-Breaktout-Z1.

Indicator Flat.

Indicator i4 DRF v2.

Indicator MA-ATR.

Indicator 1 FISH

Indicator ZZ MTF XO A.

Indicator T3 iAnchMom.

Indicator RD-Trend Trigger.

Show MA details (Type,Period,& current value) on the chart.

Indicator Price VSwma.

Indicator Color OsMA.

Indicator Louw Coetzer.

Indicator Mom Cross.

Indicator V-T&B.

Indicator valasholic13 v2.5.

Indicator Custom Aroon Oscilator_v1.

The indicator forms candlesticks based on "equitick" bars.

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