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How to Write an Expert Advisor or an Indicator

MQL4 Source Codes of Technical Indicators for MetaTrader 4 - 16

The library of technical indicators for MetaTrader 4 developed in MQL4. Regardless of the market (forex, securities or commodity market), indicators help to represent quotes in an accessible form for easy perception.

This section contains thousands of applications that analyze financial markets using different algorithms. Conventionally, they can be divided into a few categories: trend indicators, oscillators, volume indicators and so on. In addition, there are sets of indicators based on algorithms by famous financiers. For example, Bill Williams' indicators and likes of it. All of them are characterized by different parameters of reliability, efficiency, lagging and others. There are more than 2000 indicators for technical analysis: trend indicators, reversal indicators, indicators of levels, predictors, scalping indicators and many others.

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Graphical calculation of profit/loss from lot, or vice versa.

Flat indicator showing potential entry points.

This indicator shows High and Low points for certain timeframe.

This indicator shows good signals based on modified MA.

The indicator shows the information about indicator values and important levels.

This indicator exports the indicator values in CSV to use for MATLAB analysis with neural network, SVM, KNN, fuzzy.

Draws two labels: Open-Close and High-Low range of the last closed candle left of the current candle.

Possible uses: Mark session open/close, mark time of regular news release, any other relevant time.

The indicator draws candle objects in a separate window of any one of the following indicators: Percent Range, RSI, CCI, Price.

This indicator shows when to open positon.

NineTFMovement indicator gives an overview of the price movement on 9 timeframes (M1 to Monthly).

ATR Levels indicator marks 5pm NY on the chart along with the 14 day ATR value.

The indicator draws two indicators in separate window.

MA-Based Price Candle.

Trend following system with breakout of different EMA as entry signal and SL and a breakout of highest high and lowest low as TP.

This indicator draws a horizontal line at the Average/Breakeven Price for multiple positions.

RSI average commodity for gold and silver.

The indicator draws horizontal lines corresponding to daily, weekly, monthly highs/lows and connects them consistently trendlines.

The indicator marks the current chart with red/blue arrows to signal a possibility for buy/sell.

This indicator gathers indicator data and prints them in the csv file.

Easy to use ticks recorder.

Classic Donchian-channel with Fibonacci retracement levels.

Draws either MACD, Stochastic, RSI or CCI of 3 timeframes in a separate window.

This indicator will show trend, based on EMA200 of the higher timeframe.

Pivot points - Midpoints, H4, Daily, Weekly, Monthly.

The indicator is a combination of MA channels and Bollinger Bands.

The indicator displays Market Sessions.

The indicator computes the volume-adjusted flow of a currency considering all currency pairs available on your platform.

A tool to better visualize price action using a higher timeframe.

Fractal volatility indicator based on Bollerslev Model.

Change of the spread is being reflected in the candlestick formation, which you can use to more accurately place your stops and not get kicked out of a trade when it might just be challenging a price before making a huge swing in the direction you initially placed your trade.

This is a fast adaptation of old source to MetaTrader 4 b600 environment.

Draws horizontal grid lines at specified distances.

The indicator shows trade signals using combined Stohastic with breaking of High/Low by Moving Average.

Forex indicator ChainPriceRSI is based on the RSI and MA indicators.

The indicator shows top and bottom ranges of price movement.

Modified Nick Bilak's b-clock with spread (ask-bid) and font customization (font, color, size).

This indicator shows Bollinger and ATR Bands.

BBMACD_v2 is the Bollinger Bands® and MACD indicator in the same place at separate window version 2.

BBMACD is the Bollinger Bands® and MACD indicator in the same place at separate window.