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Automated Trading with MATLAB - 2012

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Files from the Automated Trading webinar showing X_Trader and QuickFIX/J integration.

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Files used in the webinar - Automated Trading with MATLAB broadcast on August 21, 2012. This webinar can be viewed at
Specific topics include:
* Data gathering options, including daily historic, intraday, and real-time data
* Model building and prototyping in MATLAB
* Backtesting and calibrating a model
* Interacting with existing libraries and software for trade execution (X_Trader, QuickFIX/J, messaging queues)

It is recommended that you watch the webinar to see the "live" system running.

Comments and Ratings (21)


Is the executor.bat file missing from quickFix/j version 1.6? I'm trying to figure out how to run the line system('C:\sandbox\java\quickfixj\bin\executor.bat&'). Is it necessary to switch to version 1.5?

chen Yan


Thanks. Great job!

thanks for share it help me a lot, if we continue on this motion, everyone will be rich.


cyril (view profile)

nice work, @Stuart is there so much a need to use GA for finding the best rule? there are 3*2+3*2^2*3+2^3*3^2 possibilities of rules with the scheme you did, so it's not a big deal to test them 1 by 1



Hello Stuart,

I am having trouble with starting banzai on my computer. I know it has to probably deal with not having the the config file on the correct path.
I am receiving the error that SessionSettings is a undefined function. I am not sure where to put the correct file and what files to put there. Thank you!


I solved the issue. It was indeed a path issue. If classes depend on other .jar then those need to be added to the javaclasspath as well.
Following the quickfix installation guide the following 4 jar files need to be in the path:

quickfixj-all.jar(includes core and message JARs)


Mark (view profile)

Those following this thread my find the website: interesting. Some of the work here inspired it along with work from 'Algorithmic Trading With Matlab 2010'

Hello Stuart,

1) The Banzai example is running correctly on my system.
2) The javaclasspath is set correct.
I'm successful calling (and creating the output objects in Matlab) other classes from the same quickfixj-all jar files.

Stuart Kozola

Stuart Kozola (view profile)


The error is telling you it can not find the SocketInitiator method. This error is likely due to one of these reasons:
1) the required library is not on the javaclasspath
2) a mis-match in required java libraries

When you download and install quickfix/j, run the banzai example outside of MATLAB to make sure your system has all of the required java libraries. If it runs correctly, then the problem is in the importing/classpath.txt reference to the required java libraries, which you can fix by importing the libraries from the same directory as the installation of quikcfix/j.

I have an error when I trying to execute 'Demo7b_QuickFIXExample.m'

Everything works fine up to the line:
initiator = SocketInitiator(application,storeFactory,settings,logFactory,messageFactory);

which gives me the error:
Undefined function 'SocketInitiator' for input arguments of type

Operating System: Microsoft Windows 7 Version 6.1 (Build 7601: Service Pack 1)
Java VM Version: Java 1.6.0_17-b04 with Sun Microsystems Inc. Java HotSpot(TM) 64-Bit Server VM mixed mode

I'm working on Windows 7:
Operating System: Microsoft Windows 7 Version 6.1 (Build 7601: Service Pack 1)
Java VM Version: Java 1.6.0_17-b04 with Sun Microsystems Inc. Java HotSpot(TM) 64-Bit Server VM mixed mode


Mark (view profile)

Thank you for this collection. On a cursory read of the code, if I am correct there is an issue with the logic employed in tradeSignal if I have understood it correctly. Specifically, the input 'ind' and logical 'AND'. As I understand it, 'ind' is normalized such that 0 = sell, 0.5 = "skip", 1 = buy. If you logically AND 0 & 1 (sell and buy) the result is a 0 (sell) however this is not the desired result. I'm posting this in the spirit of others trying to review this code and welcome any correction on my understanding.




Piment (view profile)

Stuart Kozola

Stuart Kozola (view profile)

Hi Goryn,

Did you try inputStream ='C:\\MATLAB_CODES\\Automated_Trading\\banzai.cfg');

settings = SessionSettings(inputStream);

It is a JAVA path issue, not MATLAB. Try this and it should work.


Goryn (view profile)

Thank you for your answer, Stuart. But it is another error. Firstly, I've tried to run Demo7b_QuickFIXExample.m and it writes:

Java exception occurred:
quickfix.ConfigError: banzai.cfg (The system cannot find the file

at quickfix.SessionSettings.<init>(

Error in Demo7b_QuickFIXExample (line 23)
settings = SessionSettings('banzai.cfg');

Stuart Kozola

Stuart Kozola (view profile)

This error occurs when trying to reference a file path on Windows that is not a valid URL. See for an example.

You can either:
1) Run the commands with banzai.cfg in the current working directory


2) change the MATLAB file to accept inputStreams:
inputStream ='C:\\MATLAB_CODES\\Automated_Trading\\banzai.cfg');

settings = SessionSettings(inputStream);


Goryn (view profile)

I have an error when I trying to execute 'Demo7b_QuickFIXExample.m' script:
- firstly I've added path to 'classpath.txt'
- then after loading quickfix packages I try to execute 'settings = SessionSettings('banzai.cfg');' it writes me:
Java exception occurred:
quickfix.ConfigError: banzai.cfg (Cannot find) at quickfix.SessionSettings.<init>(

If I try to execute a line of code with full path, like "settings = SessionSettings('c:\MATLAB_CODES\Automated_Trading\banzai.cfg');" it writes:

Java exception occurred:
java.lang.IllegalArgumentException: name

at sun.misc.URLClassPath$Loader.findResource(Unknown Source)

at sun.misc.URLClassPath.findResource(Unknown Source)

at$ Source)

at Method)

at Source)

at java.lang.ClassLoader.getResource(Unknown Source)

at java.lang.ClassLoader.getResourceAsStream(Unknown Source)

at quickfix.SessionSettings.<init>(


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