MQL4 and MetaTrader 4

An updated version of the MetaTrader 4 platform will be released on Friday, March 13, 2026. This build includes improved interface translations, bug fixes, and enhanced platform stability. The update will be distributed via Live Update
On Friday , March 6, 2026, a new version of MetaTrader 4 will be released. The update includes several important security improvements, bug fixes, and platform stability enhancements. The update will be distributed via Live Update
If you have questions about MQL4, MT4, MetaTrader 4, please post in this thread. Especially when your questions are related to trading functions
In this thread I want to begin to help those who really want to understand and learn programming in the new MQL4 and want to easily switch to MQL5 - the languages are very similar. This blog will be a good place to discuss tasks, algorithms of their solution and any other questions concerning MT
This topic will discuss undocumented ways of working with the mql4 language , examples of solving certain problems. It would be desirable that this branch would be closer in content to the FAQ, than to the discussion. I suggest that all experienced programmers share their solutions and programming
Hello, I do need to determine the start of the Asian Session (Tokyo) within my EA without using the brokers server time or any kind of online-check by connecting to a server. Most of the time the Asian Session (Tokyo) is at 00:00 at the brokers server time (for example: Global Prime, IC Markets
  Something interesting, old thread  (1289   1 2 3 4 5 ... 128 129)
Dear all, I would like to start this new thread cause I have some indicators that I paid for them and I want to share for free with you, all of you that for years share tons of ideas with me in this beautiful forum. I hope to encourage many users to do the same thing Best regards doc EDIT now the...
  Interesting and Humour  (49779   1 2 3 4 5 ... 4977 4978)
Members of the forum, don't forget to follow the rules
Hello, Do you listen any music while you trade? I have tried with many different kinds, but I think classical music is the most appropriate to remain discipline focus and calm . Any replies are appreciated. Let's start
  Is my EA on  (1)
How do I know if my Trading algorithm is actually on. This is what my settings look like now but there isn't a smiley face that people talk about. Has that feature been removed
I tried updating the MT4 version of the EA that was listed on MQL5, but it kept failing validation with a "no trading operations" message. I tested it by: 1. Re-uploading the old EA that had passed validation and was already listed. 2. Creating a simple EA that ensured "trading operations" for
Hello everyone, Please I need somebody's help concerning this, I have tried everything i know but to no avail. After completing my EA and compiling, it displayed "Event handling function not found!" on line 1 and column 1, I checked everything about line 1 and column 1 but there is nothing to...
How do you convert your indicator to non repainting indicator?
You may have already noticed that the most interesting things now happen mainly on the MQL5.community . MQL4.com is about to be switched to the data archive mode. Only Book and Documentation sections will remain on MQL4.com by November. Besides, the entire MQL4.com Forum content is to be transferred
Good morning everyone ... I would like to ask the experts in general if they have news on some utility for mt4 that changes time frames by entering intervals different from those pre-ordained thanks
All lessons of Codersguru: https://www.mql5.com/en/forum/175653 Mql - Metatrader Development Course | www.metatrader.info https://www.mql5.com/en/forum/172885 All Codersguru lessons + questions/replies and so on are on this section Metatrader 4 mql 4 - Development course - Forex-TSD Book: https...
  Supply and Demand Expert Advisor  (33   1 2 3 4)
Hello Supply and Demand Traders, I have a custom expert advisor which trades off supply and demand zones.  The zones it trades off are from this source - https://www.mql5.com/en/code/14545 (indicator attached below).  Here are the rules of the EA: - When price reaches the proximal level of an...
PC specifications for MT4
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  Kalman filter  (14   1 2)
Hello; I have completed a preliminary version of a Kalman filter and it is available fordownloading from http://www.gammarat.com/Forex/BlackBoxes/Kalman/ . You will need the three files: 1) GRFKalmanFilter.mq4 - put this in the indicators directory 2) GRFMatrixMath.mq4 - put this in the libraries...
  Pattern  (26   1 2 3)
Pattern indicators.
Hello, I have a question. Is it possible to create an offline version of MetaTrader for backtesting multi-timeframe dashboards? Specifically, I would like the dashboard to receive historical data from multiple timeframes (such as M1, M5, M15, H1, and H4) during a backtest and operate exactly as it
My current broker is VT Markets, and they use the symbol XAUUSD -ECN instead of XAUUSD+. 2026.06.04 12:47:22.049 '26612571': Signal - #84143680 sell 0.01 XAUUSD+ at 4460.69 skipped as no symbol found how can i solve this problem
  there are no trading operations  (73   1 2 3 4 5 ... 7 8)
I test me EA on my own broker it works okay. But when I send in for validation I get the following : test on EURUSD,H1 there are no trading operations test on NZDUSD,H1 there are no trading operations test on GBPUSDcheck,M30 there are no trading operations test on XAUUSDcheck,Daily there are no...
  Coppock Indicator  (41   1 2 3 4 5)
Hello all, Does anyone know where I can find "Coppock Indicator" for Metatrader 4.0. Thanks nick
Hello, I am posting this in the MQL4 section since there is no MQL5 section to post it in. I am creating a simple chart overlay in MT5 to visually compare two symbols. However the chart overlay indicator does not update in real time it only updates on the close of the bar. Does anyone know what
Hi, I will release another private EA, this is called Electra, we continue using Greek names. This EA is a Multi-pair medium/long term Swing Trader. This is a positive Equity System, it mean the the equity remain in the positive side most of the time.Don't be tempted of halt and close the trades in...
Mt4 on my Samsung stopped displaying charts. No error message just a static image of three candles in monochrome appear. Screenshot attached. No indication that a chart is even trying to display. Everything else in the app works fine. App was updated, same result. Same if symbol is changed. Any
Hello Support and all, I've found problem of no any alert sounds from MT4 after update as build 1408. I've confirmed all setting for sounds are Enable (Option-->Events-->Enable for all). I've confirmed MT4 teminal for 2 brokers with 1408 update have the same problem, while MT4 teminal for other 2
Sorry I'm bad english language .I'm a beginner trader, currently experiencing losses, I'm busy with work and getting older, so I don't have time to constantly monitor charts. I found a free indicator file on ForexFactory, but it doesn't send notifications to MT4 on my mobile phone. I'd appreciate it
I looked all over the MQL4 manual and still can't find the right way to just grab these 2 chart values, as shown in the attached image. The values are highlighted in a red circle in the image. As you can see, we need the value of the bottom and top "little-squares-predrawn-by-mt4" chart values...