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"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
"Previously I was using *******. IQFeed is WAY more economical, and for my charting needs is just as good, if not better." - Comment from Public Forum Post
"Can I get another account from you? I am tired of ******* going down so often" - Comment from George
"If you want customer service that answers the phone, your best bet is IQFeed. I cannot stop praising them or their technical support. They are always there for you, and they are quick. I have used ****** too but the best value is IQFeed." - Comment from Public Forum
"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
"The service is great, I see a noticeable improvement in my volume profiles over [broker]'s data feed" - Comment from Larry
"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 am very pleased with the DTNIQ system for quotes and news." - Comment from Larry
"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
"I ran your IQFeed DDE vs. my broker vs. a level II window for some slow-moving options. I would see the level II quote change, then your feed update instantaneously. My broker's DDE, however, would take as much as 30 seconds to update. I am not chasing milliseconds, but half a minute is unacceptable." - Comment from Rob
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Viewing User Profile for: sevteen
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Joined: Oct 11, 2017 08:00 AM
Last Post: Oct 24, 2017 02:44 PM
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sevteen has contributed to 4 posts out of 18853 total posts (0.02%) in 431 days (0.01 posts per day).

20 Most recent posts:
IQFeed Developer Support » IQFeed client update backwards compatibility Oct 24, 2017 02:44 PM (Total replies: 2)

Hi Tim,

makes sense, just wanted to verify as I could not find it in written form in the docs, maybe I overlooked though.

Anyway, this is great and thanks!

IQFeed Developer Support » IQFeed client update backwards compatibility Oct 24, 2017 10:35 AM (Total replies: 2)

Hello,

We're using client version 5.2.5.0 and it's asking to upgrade to 5.2.6.0. We're also using protocol v5.1. Will new IQFeed Client still work for protocol v5.1? In general how does IQFeed Client and protocol versioning relate to each other (if any) and how should we know if there are breaking changes in the release?

IQFeed Developer Support » Duplicate records for historical data Oct 24, 2017 10:30 AM (Total replies: 2)

Thanks Tim!

IQFeed Developer Support » Duplicate records for historical data Oct 12, 2017 03:42 AM (Total replies: 2)

We are trying to retrieve 1 hour interval historical data for several symbols, but apparently we receive records for same interval twice and this is happening for symbol HG, however for symbol BD everything looks fine. Attached you'll find the log output from our software.

Any help would be appreciated!


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