DTN IQFeed, DTN.IQ, DTN ProphetX Support Forums

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"Just a quick one to say I'm very impressed so far :) The documentation for developers is excellent and I've quickly managed to get an app written to do historical downloads. The system is very robust and pretty quick considering the extent of data that's available. The support guys have been very helpful too, in combination with the forums it's been plain sailing so far!" - Comment from Adam

"You are either overstaffed or people just don't have problems with your feed because customer support always answers the phone quickly." - Comment from Jay via Email

"This beats the pants off CQG, I am definitely switching to the ProphetX 3.0!" - Comment from Stephen

"Thank God for your Data Feed as the only Zippers I see are on my pants (LOL), and no more 200 pip spikes to mess up charts." - Comment from Spiro via Email

"There is no doubt that IQFeed is the best data provider. I am very satisfied with your services. And IQFeed is the only one that I would recommend to my friends. Now, most of them are using your product in China." - Comment from Zhezhe

"The people at Nirvana have very nice things to say about your company and I can see why! Price and service is a potent combination." - Comment from Ed

"I'm satisfied with IQFeed. It's the most reliable and fastest quote feed I have ever used. Although I'm a resident in China, it's still very fast!" - Comment from Xiaofei

"Very impressed with the quality of your feed - ******* is a real donkey in comparison." - Comment from A.C. via Email

"IQFeed version 4 is a real screamer compared to anything else I have seen." - Comment from Tom

"I'm very glad I switched to IQFeed. It's working perfectly with no lag, even during fast market conditions." - Comment from Andy via Email