Frequently Asked Questions


How can I receive JStock SMS alert?

Is the JStock SMS alert free?


How can I backup my portfolio in case I want to format my computer?

I cannot find XYZ stock.

Where can I obtain customer support?

JStock cannot run on my lovely Mac machine.


How can I contribute to JStock?

Why shall I donate to JStock?


Are you going to sell my stored information in cloud server?


Is JStock using legal way to obtain its stock data?

Who are the people behind JStock?

What are the development works going on JStock?


Is there any awards obtained by JStock?

How many users are using JStock?




How can I receive JStock SMS alert?

You need an Google Calendar account, and register for your mobile phone. By just following the 4 steps below, you may enable JStock SMS alert feature. For more information, please visit Google Calendar Help.



Is the JStock SMS alert free?

It is free. Click here for more information.



Yes. JStock is legal. To retrieve stock information, it is using method provided and allowed by Yahoo!. Please refer to replied mail from Yahoo! Customer Support. For your information, JStock uses the following way to talk to Yahoo! server - http://download.finance.yahoo.com/d/quotes.csv?s=YHOO&f=sl1d1t1c1ohgv&e=.csv



How can I backup my portfolio in case I want to format my computer?

We are working on this feature (#2833216) right now. Meanwhile, you may use the following workaround. Perform backup on the following folder :

  • Windows XP - C:\Documents and Settings\{Your Name}\.jstock\
  • Windows Vista - C:\Users\{Your Name}\.jstock\
  • Linux - ~/.jstock/

In case you need to restore portfolio, just copy your backup files back to the above mentioned location.



I cannot find XYZ stock.

Go to Database-> Stock Database...-> New, input "XYZ".



Where can I obtain customer support?

Help Forum.



Who are the people behind JStock?

  • Yan Cheng Cheok, Original developer, project admin.
  • The IconBlock Ltd, Graphic Designer.
  • Peter Gransdorfer, Developer.
  • Nanne Baars, Developer.
  • Shuwn Yuan Tee, Web programmer.
  • Karl Heinz Putz, Mac packager.


How can I contribute to JStock?

  • Tell your friends and family about JStock! By word of mouth, JStock will grow healthy.
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  • Project Review. You are welcomed to write a review for JStock. This helps us to understand what you think, and make JStock a better software.
  • Code contribution. You may write code and submit patches to project admin. Please visit Developer Forum for more info.
  • If you are a technical analysis instructor or stock blogger, you are welcomed to use JStock as a teaching tool. If you realize JStock doesn't fit exactly into your teaching material, tell us through Help Forum.
  • Donation. Since JStock is an Open Source project, you may use it free of charge. But please consider making a donation to support the continued development of JStock. Donate


Why shall I donate to JStock?

  • We are now use Google App Engine as cloud server, to store your user data files. However, Google may charge us with this rate, after we use up all our free quota.
  • Your donation, will give a BIG help, to make this feature always available in JStock! Donate


Are you going to sell my stored information in cloud server?

No!. See privacy information.


What are the development works going on JStock?

You may visit blog http://yccheok.blogspot.com/ to obtain latest development progress.



JStock cannot run on my lovely Mac machine.

Very high chance that you are not having Java 6 installed in your lovely Mac machine. Please refer here, here and here on how to install Java 6 for Mac. We had packaged JStock in dmg file for Mac.



Is there any awards obtained by JStock?



How many users are using JStock?

We do not have an exact figure. However, sourceforge has helped us to keep track the download statistic for JStock.