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"I would just like to say that IQFeed version 4 is running very well and I am very happy with its performance. I would also like to extend a big thanks for the fast and efficient help that I always receive. My questions and concerns are always addressed promptly. Way to go!" - Comment from Josh in CO.
"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
"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
"I have to tell you though that using the IQFeed API is about the easiest and cleanest I have seen for some time." - Comment from Jim
"Thanks for the great product and support. During this week of high volume trading, my QuoteTracker + IQ Feed setup never missed a beat. Also, thanks for your swiftness in responding to data issues. I was on ******* for a few years before I made the switch over early this year, and wish I had done it a long time ago." - Comment from Ken
"I've been using Neoticker RT with IQFeed for two months, and I'm very happy with both of the products (I've had IQFeed for two years with very few complaints). The service from both companies is exceptional." - Comment from Public Forum
"With HUGE volume on AAPL and RIMM for 2 days, everyone in a trading room was whining about freezes, crashes and lag with *******, RealTick, TS and Cyber. InvestorRT with IQFeed was rock solid. I mean SOLID!" - Comment from Public IRC Chat
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"Just a thank you for the very helpful and prompt assistance and services. You provided me with noticeably superior service in my setup compared to a couple of other options I had looked at." - Comment from John
"If someone needs the best quality data and backfill beyond what their broker provides at a rate that is the best in the industry, I highly recommend IQFeed." - Comment from Josh via Public Forum
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Viewing User Profile for: mttxn12
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Joined: Jun 12, 2008 09:41 AM
Last Post: Oct 1, 2009 02:14 PM
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mttxn12 has contributed to 7 posts out of 19043 total posts (0.04%) in 3,963 days (0.00 posts per day).

20 Most recent posts:
IQFeed 3rd Party Software Support » Quotetracker & IQFeed slow Oct 1, 2009 02:14 PM (Total replies: 1)

Just an update for other QT-IQFeed users, I was able to reduce this lag by removing a number of chart windows and symbols off my watchlists. Before, I had like 12 windows spread across multiple monitors and about 250 symbols on my watchlist. Now I have only 4 to 6 windows up on one monitor and about 100 symbols on my watchlist. I also stripped some indicators off my charts.

It appears QuoteTracker just can't handle the load compared to other competitors that I use. It used to get bloated and slow down over time (i.e. - bottle neck). I recommend other users to keep it simple. It just can't handle this. I like QuoteTracker for its charts but it needs to be streamlined architecturally from the software development stage.

IQFeed 3rd Party Software Support » Quotetracker & IQFeed slow Sep 1, 2009 10:59 AM (Total replies: 1)

I'm getting long delays on my quotes with Quotetracker recently with heavy trading. My Ensign Windows app is not affected by this and is working well with IQFeed. The Quotetracker app has been getting worse recently. My Internet connection is fine because all of my other apps are working well.

IQFeed 3rd Party Software Support » Quotetracker and backfill issues Jul 25, 2008 03:12 PM (Total replies: 5)

Curtis:

Quotetracker support helped me resolved this.
Here's the solution for other QT users who have the same problem.

Options
Data Sources/Proxy
Select Backfill tab
Uncheck "Get Tick Backfill Data" <----this is the culprit.

According to Quotetracker support, this item makes it a more quantitative process making the backfill slow.

IQFeed 3rd Party Software Support » Quotetracker and backfill issues Jul 25, 2008 02:35 PM (Total replies: 5)

I am following 3 different symbols with 3 chart windows open. I have about 4 studies per chart. If I make 1 backfill request for only one chart, it hangs for a long time.

If I change the backfill to an alternate provder (i.e. - Prophet), it goes very fast (couple secs per symbol) but there appears to be a discrepancy in the backfill data received from Prophet and IQFeed's realtime data. I get a large spike in volume and weird volume amounts recorded.

If I set all my data sources to one provider like IQFeed, the discrepancies goes away but the backfill is slow with IQFeed. Again, I have no problems with the streaming Level 1 quotes by IQFeed. It's fast and smooth.

IQFeed 3rd Party Software Support » Quotetracker and backfill issues Jul 25, 2008 09:28 AM (Total replies: 5)

Hi, I'm having problems with the backfill and QuoteTracker. Both historical and intraday backfill appear to take a long time to fill. When I make a request to fill a chart, it appears to hang for about 3 to 5 min just for one symbol to backfill. The historical backfill seems to be slightly quicker but the intraday backfill is very slow. I'm having no problems with the streaming quotes.

I'm using:

QT Version: 3.9.1a-2
IQFeed version 4.4.0.3
WinXP machine SP3

Data and Content Support » will splits be corrected Jun 13, 2008 01:15 PM (Total replies: 14)

Ok, I was able to resolve this. For anyone using QuoteTracker with DTN's datafeed, you need to go into the historical data and delete all the old data before the split. Then backfill with the new data.

Right click on the chart
Select Historical Data ....
Select all the old data and delete.
Backfill with DTN's feed.

For some reason the old data would remain behind.


If you try right clicking on the symbol from the Watchlist and select clear [symbols] data, it doesn't work for some odd reason. The above method worked for me.

Data and Content Support » will splits be corrected Jun 12, 2008 09:53 AM (Total replies: 14)

Hi, I'm having problems with RBA. There was a 3:1 stock split around April 23, 2008. I waited several months for you guys to correct it but I have failed to see any changes. Thanks for your help.


References:

Ritchie Bros Auctioneers announces 3-for-1 stock split and new director and chair appointments

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/04-14-2008/0004791701&EDATE=


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