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Some new development on the issue has come from recent cases of cricket scores being treated as public data or copyrighted data. The outcome of this case will also have a bearing on the issue of NSE owning stock market data, Links to details of the cases can be found below...

The have no means to know and ask, unless you tell them yourself :D I think that may also be the reason for such notices. :)

The primary issue is - whether they are entitled to object. Is stock market data Proprietary of the exchange, or is it public property. It is being generated by thousands of traders, who are buying and selling stocks. A company like Dotex or similar can process this data and provide it in a...

Yes. Dotex is a subsidiary of NSE. What I meant was they don't have their individual website for data vending services etc., where they would have given their Terms and Conditions etc.

Dotex cannot/is not entitled to charge penalty. They can, if they wish to, take legal action against you. But before that, they should have a case in the first place. As you know, any lawyer will also file a counterclaim to these guys, and such emails can easily be termed as harassing and...

A lot of websites provide restrictions on automated data mining, as these put pressure on their bandwidths etc. The easy way out is to put something like Captcha etc. You will have to go through the Terms & Conditions on NSE site to check whether they allow such automatic extraction. If a...

If you are taking data from google finance, the only people you should be paying, if at all, is google. How is Dotex involved in this. They must already be getting the money from google. Whether google is allowed to sell further or not, is between dotex and google, and you should not be...

DiwaliCrackers, The use of this data becomes illegal only if it is being used in a "commercial enterprise".

Sreyas, If you are using data from google finance, it can be illegal only if "google" has specified in its terms and conditions that you cannot use data from their website. In that case, you will have to seek permission from them for such use. Also, it depends upon for what purpose you are...

I know at least 2 websites who stopped showing charts after they got such letters. Infact, this is the crux of the problem. There were few genuine blogs and websites who have stopped their services after getting such letters. Whether legal or not, no one wants to get into legal trouble here in...

Absolutely agree. Infact, I checked on NSE website. No where could I find written that the data has to be bought from Dotex only. As of now, the only authorized data vendor that I know of is gdfl. And its prices are 3-4 times more than the others. If what Dotex is doing is correct, then...

The email id's are genuine and from [email protected]. It is from Dotex employees. Dotex email id is [email protected]

Dotex, which provided data and info-vending services of NSE, have been sending the following emails to a lot of website owners, who show technicals and charts etc. on their websites: "We have observed that you are utilising National Stock Exchange of India Ltd. (NSE) data in your...