Implementation mode and technical principle of MT4 cross platform merchandising system (API merchandising, EA merchandising, nj4x Merchandising)

1、 What is foreign exchange MT4 Cross platform merchandising ？

foreign exchange MT4 Cross platform merchandising means that the accounts of different securities trading platforms can conduct one to many or many to many merchandising transactions .

2、 Current cross platform merchandising technology classification

MT4 Foreign exchange documentary is fundamentally divided into 4 Kind of ： 1. EA documentary 2. NJ4X documentary 3. ManagerApi documentary 4. MetaQuotes API documentary

3、 The principle of documentary Technology ：

EA documentary ： That is to say, use the... Officially provided by midak MQL The documentary script written by the platform runs , It's also a tradition EA The main way of documentary ;
NJ4X documentary ： adopt MQL + C# + JAVA Provide external documentary interface and MT4 Terminal Server . Can be realized EA, offer , Order and other operations ;
ManagerApi documentary ： Through official mt4ManagerApi Use c++ Order and other services written .
MetaQuotes API documentary ： The principle is to simulate mt4 Client information and signal sending order operation , The current is c++、c#、java、php、python Such as the interface .

4、 Advantages and disadvantages of various merchandising technologies

EA documentary , The biggest limitation is that midak officially defines that a single computer cannot be started at the same time greater than 32 Number of terminals ;
NJ4X documentary , Breakthrough by changing single user desktop memory and multi-user login 32 Terminal limitations . At the same time, you can use MT4 indicators , It can be realized without calculation EA documentary , Cross platform merchandising and so on , The disadvantage is also resource constraints ;
ManagerAPI, adopt manager Account permissions to achieve orders and other operations , Disadvantages: cross platform requires multiple securities companies to provide accounts ;
MetaQuotes API, Use general official MT4 Client and analog signal login , The advantage is protocol connection , Fast , Disadvantages require high development ability , Currently on the market API Most merchandising systems are developed in this way , such as ： Dufu foreign exchange documentary 、 Rich documentary 、 And some merchandising communities are also developed on this basis , Professional teams are advised to use professional software .