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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
"I had always used ******* but for the past 2 weeks have been trying DTN IQFeed. Customer support has been extraordinary. They call just to make sure your problem hasn't recurred." - Comment from Public Forum
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"If you are serious about your trading I would not rely on IB data for serious daytrading. Took me a while to justify the cost of IQ Feed and in the end, it's just a 2 point stop on ES. Better safe than sorry" - Comment from Public Forum
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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
"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
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N4Apound has contributed to 4 posts out of 21196 total posts (0.02%) in 4,354 days (0.00 posts per day).

20 Most recent posts:
IQFeed Developer Support » How to create bar from tick data Dec 5, 2022 08:08 AM (Total replies: 22)

Thanks Gary.

IQFeed Developer Support » How to create bar from tick data Dec 4, 2022 10:02 AM (Total replies: 22)

I am also trying to build interval bars from tick data.
My builds NEARLY match iqfeed interval bars, however there is a mismatch when ticks occur whose time label is on the exact interval boundary end time.

I observe (and expect) that iqfeed intervals are INCLUSIVE of the exact interval start time and I expect NON-inclusive of the interval end time. Both cannot be inclusive because resulting interval bars would overlap.

So an iqfeed 1minute interval bar labeled "09:31:00" should include all ticks from 09:30:00.000000 up through 09:30:59.999999.

But there seems to be a problem that if a tick happens to occur at 09:31:00.000000, it is included also in the iqfeed interval bar labeled "09:31:00". But that tick should instead belong only to the "09:32:00" interval, right?

IQFeed Developer Support » autoconnect Jun 19, 2012 05:30 PM (Total replies: 3)

Thanks, that worked great.

Just for completeness, it may be worth updating the API doc to include your statement and also correct the example given:

"IQConnect.exe -product <REMOVED> -version 1.0.0.0 -login 100000 -password 1234 -autoconnect"

http://www.iqfeed.net/dev/api/docs/InitializingTheFeed.cfm

Best regards,
N4
Edited by DTN_Steve_S on Feb 26, 2019 at 09:08 AM

IQFeed Developer Support » autoconnect Jun 18, 2012 10:17 PM (Total replies: 3)

Hello,
I am SHELLing iqconnect.ext as per the documentation and ending the string with "-autoconnect". Because of this, I expect the pop-up to automatically connect and go away.

But what is currently happening when I run my program is that the popup appears with the login box entered correctly, but I have to manually click the "Connect" button on the popup. It then connects and goes away correctly. The "Automatically Connect" checkbox is not checked on the popup when it appears. I am using IQfeed 4.8.1.7

For me to only have to click the Connect button and nothing else, I think my password and product must also be entering correctly.

Any ideas?

Thanks,
N4


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