Published article "Developing a Replay System — Market simulation (Part 07): First improvements (II)".
In the previous article, we made some fixes and added tests to our replication system to ensure the best possible stability. We also started creating and using a configuration file for this system.
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Published article "Neural networks made easy (Part 38): Self-Supervised Exploration via Disagreement".
One of the key problems within reinforcement learning is environmental exploration. Previously, we have already seen the research method based on Intrinsic Curiosity. Today I propose to look at another algorithm: Exploration via Disagreement.
The most downloaded free products:
Most downloaded source codes this week
- Super Scalper EMAs Low risk, max profit, winning strategy EA. Based upon Super Scalper EMAs indicator
- Trend Predictor New level of trend prediction!
- Breakout Martin Gale Expert Advisor for MT5 This is an mql5 Expert Advisor trading the breakouts and using Martin Gale risk management.
Most read articles this week

How to purchase a trading robot from the MetaTrader Market and to install it?
A product from the MetaTrader Market can be purchased on the MQL5.com website or straight from the MetaTrader 4 and MetaTrader 5 trading platforms. Choose a desired product that suits your trading style, pay for it using your preferred payment method, and activate the product.
How to Test a Trading Robot Before Buying
Buying a trading robot on MQL5 Market has a distinct benefit over all other similar options - an automated system offered can be thoroughly tested directly in the MetaTrader 5 terminal. Before buying, an Expert Advisor can and should be carefully run in all unfavorable modes in the built-in Strategy Tester to get a complete grasp of the system.
Evaluating ONNX models using regression metrics
Regression is a task of predicting a real value from an unlabeled example. The so-called regression metrics are used to assess the accuracy of regression model predictions.
The most popular forum topics:
- Machine learning in trading: theory, models, practice and algo-trading 70 new comments
- Canvas is cool! 19 new comments
- Pair trading and multicurrency arbitrage. The showdown. 16 new comments
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Bestsellers in the Market:
The most downloaded free products:
14 new topics on forum:
- Hello! I'm trying to upload the robot to the marketplace but I get this message : tester takes too long time - what does it mean?
- MetaTrader 5 Platform update build 4000: Trading Report and Web Terminal improvements
- Idea of selling an indicator script instead of the program
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Published article "Developing an MQTT client for MetaTrader 5: a TDD approach — Part 3".
This article is the third part of a series describing our development steps of a native MQL5 client for the MQTT protocol. In this part, we describe in detail how we are using Test-Driven Development to implement the Operational Behavior part of the CONNECT/CONNACK packet exchange. At the end of this step, our client MUST be able to behave appropriately when dealing with any of the possible server outcomes from a connection attempt.
Published article "Category Theory in MQL5 (Part 21): Natural Transformations with LDA".
This article, the 21st in our series, continues with a look at Natural Transformations and how they can be implemented using linear discriminant analysis. We present applications of this in a signal class format, like in the previous article.
Published article "Estimate future performance with confidence intervals".
In this article we delve into the application of boostrapping techniques as a means to estimate the future performance of an automated strategy.
1 new signal now available for subscription:
The most downloaded free products:
Bestsellers in the Market:
The most popular forum topics:
- Machine learning in trading: theory, models, practice and algo-trading 41 new comments
- Questions from Beginners MQL5 MT5 MetaTrader 5 18 new comments
- Help: how to show Text or Label foreground in MT5 15 new comments
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New publications in CodeBase
- ATR Trailing Stop with 1 Buffer only This is an edit of the Mod_ATR_Trailing_Stop by MQL5 user @Scriptor found here https://www.mql5.com/en/code/20423 . MT5 indicator .mql5 and .ex5 files, report any bugs, I'll fix.
- Trend Predictor New level of trend prediction!
The most downloaded free products:
Bestsellers in the Market:
Most downloaded source codes this month
- Trade Sessions Indicator This indicator is based on DRAW_FILLING buffers. The input parameters are absent, the TimeTradeServer(), TimeGMT() functions are used.
- Candle Time End and Spread The indicator displays the current spread and the time till closing the bar (candlestick) at the same time.
- Volume Profile + Range v6.0 - indicator for MetaTrader 5 (Fixed iBarShift Issue) Volume Profile + Range v6.0 (former TPO). Distribution of deals by price levels at a given time interval. Displayed as a histogram. The width of the histogram at the level means the number of transactions carried out on it. All Credits of this Amazing indicator to Olexiy Polyakov. I have just fixed the iBarShift and iTime issues, since this is such a great indicator for traders ! Now it is working fine with this files.
Most read articles this month

How to purchase a trading robot from the MetaTrader Market and to install it?
A product from the MetaTrader Market can be purchased on the MQL5.com website or straight from the MetaTrader 4 and MetaTrader 5 trading platforms. Choose a desired product that suits your trading style, pay for it using your preferred payment method, and activate the product.
How to Test a Trading Robot Before Buying
Buying a trading robot on MQL5 Market has a distinct benefit over all other similar options - an automated system offered can be thoroughly tested directly in the MetaTrader 5 terminal. Before buying, an Expert Advisor can and should be carefully run in all unfavorable modes in the built-in Strategy Tester to get a complete grasp of the system.
The most popular forum topics:
- Machine learning in trading: theory, models, practice and algo-trading 50 new comments
- Sell an indicator for the strategy tester 22 new comments
- Can metaquotes add 10 sec & Tick chart to time frames for apps ? 20 new comments
New publications in CodeBase
- Breakout Martin Gale Expert Advisor for MT5 This is an mql5 Expert Advisor trading the breakouts and using Martin Gale risk management.
- Check for Market Open Hours This Include File checks for Market Open Hours. An EA to test it is also included.
- ATR - Average True Range - code for beginners by William210 ATR - Average True Range - beginner tutorial to learn how to code in MQL5
- Symbol Filling Policy Determination This function allows you to retrieve and return the filling policy of a symbol in MetaTrader 5. This is useful for making trading decisions based on the filling policy of a specific financial instrument.
- Breakout Martin Gale Expert Advisor for mql4 This is an mql5 Expert Advisor trading the breakouts and using Martin Gale risk management.




































