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--- express-generator:start [2023/07/04 10:27] – created Miroslav Popov
+++ express-generator:start [2026/05/29 10:23] (current) – external edit 127.0.0.1
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 ====== Express Generator - User Guide ======
+Express Generator is used to fetch historical data, generate strategy collections, and validate them on a local machine. Later, you can import collections into EA Studio for review and export Expert Advisors for MetaTrader.
+Express Generator (ExGen) is an excellent tool for building automated workflows for testing trading strategies.
+This guide helps you build a practical workflow from data download to strategy validation.
+Typical workflow:
+  * Fetch and refresh market data
+  * Generate new strategy collections
+  * Validate existing collections on updated data
+  * Revalidate collections across multiple markets
+For a guided setup, start with [[quick-start|Quick Start]].
+You can use default settings from the files in ''./bin'' and override them with custom settings files or CLI options.
+===== Requirements =====
+  * **Skills** - to have the full benefits of Express Generator (ExGen) you have to be familiar with:
+     * algo-trading with MetaTrader's Expert Advisors
+     * Expert Advisor Studio - to be able to export Expert Advisors
+     * terminal commands or scripting
+  * **NodeJS** [[https://nodejs.org/en]] - a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.
+  * **Expert Advisor Studio** [[https://eas.forexsb.com/]] - an online platform for creating trading strategies and Expert Advisors.
+===== Benefits of using Express Generator =====
+  * it is a lot of fun to run Express Generator in the terminal and to see how it generates strategies
+  * it can run in the background in a local machine or in a remote server because it does not require Graphical User Interface.
+  * with some scripting, we can create a complete automated process for creating strategy collections for EA Studio.
+===== Scripts =====
+==== Fetcher (fetch.js) ====
+[[fetch-js]]
+Use Fetcher to maintain local metadata (Forex rates and symbol info), download historical data sets, and handle update checks.
+==== Generator (gen.js) ====
+[[gen-js]]
+Use Generator to create new strategies, validate old collections on new data, and optimize or stress-test strategy sets.
+==== Multi-Market (mm.js) ====
+[[mm-js]]
+Use Multi-Market to revalidate strategy collections on different markets and keep only strategies that pass the required number of tests.

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