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How to Write an Expert Advisor or an Indicator

MQL4 Source Code Library for MetaTrader 4 - 85

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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latest | best

FitFul 13

Adviser FitFul 13.

Flat Trend v1.0

Adviser Flat Trend v1.0 Uses indicator FlatTrend V2.

Elder

Adviser Elder.

e.2.12 5 min

Adviser e.2.12 5 min.

DT RSI EXP1

Adviser DT-RSI-EXP1. Uses indicators RSI and RFTL.

DoubleMA Crossover EA

Adviser DoubleMA Crossover EA.

MA Cross 3MACross Alert WarnSig

Indicator MA Cross 3MACross Alert WarnSig.

MTF Macd X

MTF Macd X indicator.

DojiTrader

Adviser Doji Trader.

Doji Arrows

Adviser Doji Arrows. I'ts made of the indicator.

ASCV

Adviser ASCV. Uses indicators ASCTrend1sig, BrainTrend1Sig and Pivot_AllLevels.

Arttrader_v1_5

Adviser Arttrader v1_5.

Bago_EA

Adviser Bago EA.

MTF support & Resistance (SR)

MTF Support & Resistance (SR) indicator.

MTF Stochastic v2.0

One more version stohastic. Works on all periods.

Gann Hi-lo Activator SSL

The unpretentious indicator, will approach beginners in mastering MQL4.

Heiken_Ashi_Ma 20

Heiken_Ashi_Ma 20 indicator.

ATRStops_v1[1].1

ATRStops_v1[1].1 indicator.

MTF_atrstops

Indicator MTF_atrstops. Works with indicator ATRStops_v1[1].1.

BollStarc-TC

Indicator BollStarc-TC.

MTF_CustomCandle[HL]

MTF_CustomCandle[HL] indicator.

MTF_DeMarker

One more indicator Demarka, is under construction on the basis of comparisons of a maximum of a current bar is compared to a maximum previous.

Polarized Fractal Efficiency

Fractal efficiency is calculated like in KAMA, Kaufman’s Adaptive Moving Average efficiency ratio, plus polarization and with optional exponential moving average.

Envelope 2

Adviser Envelope 2.

BreakOut15

Советник BreakOut15.

Bruno v1

Adviser Bruno v1.

Channels

Adviser Channels, uses indicator МА.

Contrarian trade MA

Adviser Contrarian trade MA. Works on MA.

Daydream01

Adviser Daydream01.