Join the 80,000 other DTN customers who enjoy the fastest, most reliable data available. There is no better value than DTN!

(Move your cursor to this area to pause scrolling)




"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
"It’s so nice to be working with real professionals!" - Comment from Len
"And by the way, have to say this. I love the IQFeed software. It's rock solid and it has a really nice API." - Comment from Thomas via RT Chat
"I've been using IQFeed 4 in a multi-threaded situation for the last week or two on 2600 symbols or so with 100 simultaneous daily charts, and I have had 100% responsiveness." - Comment from Scott
"Thank you so much - awesome feed, awesome service!" - Comment from Greg via Email
"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
"I will tell others who want to go into trading that DTN ProphetX is an invaluable tool, I don't think anyone can trade without it..." - Comment from Luther
"For anyone considering using DTN.IQ for a data feed, my experience with the quality of data and the tech support has been very positive." - Comment from Public Forum
"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
"I just wanted to say how happy I am with your service. I was able to download the API docs last week and I was able to replicate Interactive Brokers historical bar queries and realtime bar queries over the weekend. That was about one of the fastest integrations that I've ever done and it works perfectly!!!!" - Comment from Jason via Email
Home  Search  Register  Login  Blogs Recent Posts

Information on DTN's Industries:
DTN Oil & Gas | DTN Trading | DTN Agriculture | DTN Weather
Follow DTNMarkets on Twitter
DTN.IQ/IQFeed on Twitter
DTN News and Analysis on Twitter
Viewing User Profile for: mongfa
About Contact
Joined: Jul 27, 2014 05:42 AM
Last Post: Jul 30, 2014 06:25 PM
Last Visit: Jul 30, 2014 06:26 PM
Website:  
Location:
Occupation:
Interests:
Email: 196118@naver.com
AIM:
ICQ:
MSN IM:
Yahoo IM:
Post Statistics
mongfa has contributed to 4 posts out of 19007 total posts (0.02%) in 1,701 days (0.00 posts per day).

20 Most recent posts:

same loops code with another datafeed is working correctly. but it's not work with iqfeed


I also have this problem. could you give us sample code or solution?

IQFeed 3rd Party Software Support » MATLAB R2013b connection problem Jul 27, 2014 12:41 PM (Total replies: 3)

.
Edited by mongfa on Jul 27, 2014 at 12:44 PM


1. In daily bar. Some 2 decimal the value is incorrect even 3 decimal price scale exist, and close time field value is invalid.

Please check the attached selected row. and give me some help.


2. how can i solve this

>> c = iqf('4xxxxxx','xxxxxxx')

c =

iqf with properties:

User: 'xxxxxx'
Password: 'xxxxxxx'
Port: {[1x1 System.Net.Sockets.Socket]}
PortName: {'Admin'}
Assembly: 'C:\Program Files (x86)\DTN\IQFeed\Example Apps\Interop.DTNIQFeedCOMLib.dll'

>> history(c,'SPY',5000, 'Daily' )
Warning: Error occurred while executing delegate callback:
Message: ÀÌ Å¬·¡½ºÀÇ ÇØ´ç ºñµ¿±â ¸Þ¼­µå¿¡¼­ IAsyncResult °³Ã¼¸¦ ¹ÝȯÇÏÁö ¾Ê¾Ò½À´Ï´Ù.

¸Å°³ º¯¼ö À̸§: asyncResult
Source: System
HelpLink:




Edited by mongfa on Jul 27, 2014 at 08:56 AM
Edited by mongfa on Jul 27, 2014 at 08:56 AM


Time: Sat March 23, 2019 3:31 AM CFBB v1.2.0 16 ms.
© AderSoftware 2002-2003