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Come scrivere un Expert Advisor o un indicatore

I migliori codici sorgente MQL4 e MQL5 in base ai giudizi degli utenti - 15

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The library contain several functions to get an additional information about the symbols, loaded into the client terminal. ATTENTION: Undocummented solution, it may not work in the other versions of MetaTrader

The script deletes objects from the chart.

A day Hi Lo

Cloud indicator based on 2 Moving Averages.

Adds account information to chart: Profit, Balance, Equity, Free Margin, Margin and Margin Level %. On chart click hide/show account information. Show Profit only option.

This script will calculate the total active and closed orders based on order types

The PrevDayLines.mq4 script is a tool for MetaTrader 4 that automatically draws three critical price levels from the previous trading day on your chart. These levels include the highest price (Max), the lowest price (Min), and the average price (Avg), providing traders with a clear visual reference for key support and resistance points.

The indicator plots levels based on the previous days.

Modifica Ordine Pendente - script che sceglie il primo ordine pendente nella lista, stampa i dati dell'ordine pendente selezionato, lo modifica e ne stampa i dati dopo la modifica.

FiboPiv_v2 indicator.

Indicator of the normalized volume

The indicator displays what dominates in a time series: the trend or the flat component or the series acts randomly.

A variation of the Bollinger Bands that incorporates findings from a fractal analysis

Trading information with Fractal trend.

Close, Delete or Clean values from all orders by your choice.

As I'm currently developing an Expert Advisor for Crude Oil and Brent, I wanted to get from ForexFactory.com the exact date and time of the 'Crude Oil Inventory' report. This report is typically issued on Wednesday's at 10:30am Eastern but when there's a holiday, the release date can change. As this is an important report for my EA, the only way was to check an online service to validate the release date.

Holt's double exponential smoothing with linear forecasting.

Precision trend for MetaTrader 4.

Instead of having to analyze each pair individually, you can see at a glance what are the most promising pairs according to your own criteria.

The code is based on indicator ZigZag which is in-built in MT4. I have changed it so that it isn't calculated on highest Highs and lowest Lows, but instead uses highest Close and lowest Close of chart price history. See attached chart for differences: ZigZag (red) versus ZigZagClose (yellow).

The indicator shows direction of movement and rollbacks.

Really useful channel indicator.

Indicator BBands Stop v1

The chart contains the main line (the difference between the fast EMA and the slow EMA, applied to the Ticker line) and the signal line (obtained by applying the SMA to the main line).

The indicator showing a trend.

Советник e-News-Lucky$.

Un esempio di script che scrive i valori dell'indicatore RSI in un file CSV.

Fib SR indicator.

The ind - Profitunity Bars indicator. Colors the bars in green, red and black.

Indicator BB-Squeeze. The modified version. For work the indicator bbsqueeze is necessary.

A script aimed at loading of history for all available currency pairs, metals, indexes, CFD, and at checking of history for "holes".

The indicator shows the volatility of a currency pair. This knowledge may be very helpful when using one strategy or another.

A test script with the functions that calculate the true value of a graphical object's Y coordinate. It is useful to watch the bar forming.

The script is designed to transfer trades from the standard report of the MetaTrader 4 tester to the chart.

It allows you to calculate profits, StopOuts, and margin, just moving in the chart three lines that correspond with the opening level, StopLoss and TakeProfit of the position.

The indicator informs about that the price is approaching to support/resistance line in 3 positions.

An oscillator that signals in case of trend changing.

Draw Dayly , Weekly and Monthly Pivot with BackTest.

Indicator GordagoElder.

The script selectively clears the chart by the part of the name and/or by the type of the object.

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