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How to Write an Expert Advisor or an Indicator

MQL5 Source Code Library for MetaTrader 5 - 39

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This is the largest free source code library for MetaTrader 5 platform programs. Here you can find ready-made Expert Advisors, technical indicators, scripts and libraries. Use the code library when learning MQL5 language and develop your own automated trading applications based on the provided codes.

You can freely download and test published codes, as well as launch them in MetaTrader 5. The library is also available directly from MetaTrader 5 platform and MetaEditor development environment.

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Standard deviation ratio

Standard deviation ratio (SDR)

Step VHF adaptive VMA

Step VHF adaptive VMA

Averages composite trend

Trend composed by a series of averages

Blau Ergodic TSI

Ergodic TSI (True Strength Index) as described by William Blau

Reverse No Repair

The Reverse No Repair indicator can show bullish arrows and bearish arrows.

Rsi (var) - Hull

RSi (var) - Hull average

Hull levels

Hull levels

Directional smoothed momentum

Directional smoothed momentum (momentum of averages)

Volatility adjusted WPR

Volatility adjusted WPR (Williams Percent Range)

Volatility adjusted RSI

Volatility adjusted RSI

Simple volatility

Simple volatility

Ehlers Fisher transform

Ehleres Fisher transform

Leader EMA

Leader EMA

Phase accumulation adaptive RSX

Hilbert transform phase accumulation adaptive RSX

Phase accumulation adaptive EMA

Hilbert transform phase accumulation adaptive EMA

Normalized smoothed MACD

Normalized smoothed MACD

Dōteki Heikin Ashi (Dynamic Average Foot/Bar)

A dynamic version of the standard Heikin Ashi indicator (code compatible with both MQL4 or MQL5).

Simple oscillator

Simple oscillator

Drunkards walk

Drunkard`s walk indicator

Momentum of average

Momentum of average with dynamic levels

CCI of average

CCI of average

True Strength Index trade

True Strength Index trade

True Strength Index

True Strength Index (as originaly described by William Blau)

Four clicks to draw an arc-shaped channel

A quick way to draw an arc-shaped channel in 4 mouse clicks.

ATR adaptive smooth Laguerre RSI (dlvl)

ATR adaptive smooth Laguerre RSI with dynamic levels

ATR adaptive smooth Laguerre RSI

ATR adaptive smooth Laguerre RSI

ATR adaptive Laguerre RSI

ATR adaptive Laguerre RSI

Efficiency ratio directional with levels

Efficiency ratio directional with self adjusting levels

Step average - std based

Step average - standard deviation based

Step average (atr based)

Step average - average true range based

Step average

Step average

Stochastic volatility - on chart

Stochastic volatility - on chart

Vidya

Variable Index Dynamic Average (VIDYA)

VHF adaptive VMA

VHF adaptive VMA

VHF adaptive ADXm

VHF (Vertical Horizontal Filter) adaptive ADXm

DSL Chande momentum oscillator - smoothed

DSL Chande momentum oscillator - smoothed

Heiken ashi smoothed - zone trade

Heiken ashi smoothed - zone trade

BB stops JMA - multiple stops

BB stops JMA - multiple stops

BB Stops - multiple stops

BB Stops - multiple stops

Trend analysis index - improved

Trend analysis index - improved and corrected version