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"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
"Boy, probably spent a thousand hours trying to get ******* API to work right. And now two hours to have something running with IQFeed. Hmmm, guess I was pretty stupid to fight rather than switch all this time. And have gotten more customer service from you guys already than total from them… in five years." - Comment from Jim
"IQ feed works very well, does not have all of the normal interruptions I have grown used to on *******" - Comment from Mark
"I just wanted to let u know that your data feed/service is by far the best!!! Your unfiltered tick data is excellent for reading order flow and none of your competitors delivers this quality of data!" - Comment from Peter via Email
"As a past ******* customer(and not a happy one), IQ Feed by DTN is a much better and cheaper product with great customer support. I have had no problems at all since switching over." - Comment from Public Forum
"I just wanted to let you know how fast and easy I found it to integrate IQFeed into our existing Java code using your JNI client. In my experience, such things almost never go so smoothly - great job!" - Comment from Nate
"I've never had DTN go out on me since switching. ******* would go down a couple times every month when I was using them." - Comment from Bryce in AL.
"DTN feed was the only feed that consistently matched Bloomberg feed for BID/ASK data verification work these past years......DTN feed is a must for my supply & demand based trading using Cumulative Delta" - Comment from Public Forum Post
"This is an excellent value, the system is generous (allowing for 500 stocks) and stable (and really is tick-by-tick), and the support is fantastic." - Comment from Shirin via Email
"I started a trial a few weeks back before the market went wild. DTN.IQ didn’t miss anything and beat my other provider. I decided to stay with you because of the great service through all the volatility." - Comment from Mike
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Viewing User Profile for: yzhao
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Joined: Jun 15, 2017 03:21 PM
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yzhao has contributed to 2 posts out of 18232 total posts (0.01%) in 157 days (0.01 posts per day).

20 Most recent posts:
IQFeed Developer Support » bar data questions Jun 16, 2017 09:01 AM (Total replies: 2)

Thank you Tim

IQFeed Developer Support » bar data questions Jun 15, 2017 04:16 PM (Total replies: 2)

Two question on the 5 min bar data retrieved from IQFeed:
1) are they the "Last Trade" price? There is another thread that indicates it is not midpoint. Is there a way to get MidPoint 5 min bar price?

2) when comparing with the same 5 min bars from Interactive Brokers, we notice the bars are consistently off by one: e.g. the 9:35 AM IQFeed price matches 9:30AM IB price.
Does IQFeed provide begin-of-the-bar price?

Thank you.


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