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Are you using web-based TWS or standalone? If the former, use the latter and watch your data connection disruptions disappear! Seriously, I use a router and went through this for months with them. When I changed to the standalone version of TWS, I literally did not have another connectivity...

Investor/RT definitely offers market profile charting and, if I'm not mistaken, is one of the pioneers the field. Check out their website at www.linnsoft.com.

I have discussed this extensively with Bill Linn at Linnsoft and he is presently hard at work on getting this issue resolved. Also, Jay Froscheiser, Director, Active Trader Products and Sales, and Loren Foster, Senior Technical Representative, from DTN are lending great support to the cause as...

OK, if your data is coming from IQFeed, then I'm virtually certain that that data will include not only trades but bid/ask updates as well; thus, each record processed is not an actual trade. This is important because in IRT I have the option of ignoring bid/ask updates, which I've chosen to...

Believe me, I'm going to shut my real-time virus scanning down completely before tomorrow's trading session and see what happens. Thanks for the advice. I actually checked this out with a computer wizard buddy of mine, and he agrees with you wholeheartedly, pointing out that if one's...

To answer your specific questions above, which I've now numbered, here you go: 1) No 2) Not applicable 3) I filter my data using IRT's data filtering protocols, described at http://www.linnsoft.com/qa/a/22.htm and discussed elsewhere on the site 4) Yes 5) I have no idea. However, if you...

[/b]Sorry to hear about your family medical emergency. Hope everything turns out well. I'm not saying that the comparison cannot be done; of course it can. What I am saying is that you have to be very careful when doing it to be sure that you are comparing instruments with a comparable number...

I think you're right. The most actively traded stock I traded on Thursday (FAS) traded 321.53 million shares. Meanwhile, the S&P500 Emini, which I gather is the most actively traded futures contract, traded only 1.78 million contracts. While I certainly remain interested in knowing the actual...

This is interesting information, but let's begin the process of determining whether we may be comparing apples and oranges. I have no idea how many ticks per time interval are trading in the 10-ish instruments you follow, because I don't trade futures and don't subscribe to a futures feed...

What I'm wondering is whether it is likely, or even possible, that the database itself presents a bottleneck when the volume of trading explodes as it does around the open and close of the regular stock trading session. In other words, can the flow of data attempting to get into and/or out of...

Hey, srv, if you get a chance to address the issue above, that would be great! Sure would like to have your insights in view of your familiarity with the database! Thanks in advance. cwb1014 :cool:

IRT will not run with an empty data_f folder. I think what Landis82 is talking about is deleting all your data, using the Database Wizard (under the Control menu), and then downloading all the data you want from DTN. I'd recommend backing up IRT after the initial data deletion and then again...

I thought that DTN transmitted their data with exchange timestamps. Is this not correct?

What other charting packages have you used with DTN without problems? Please let us know. Thanks in advance. cwb1014 :cool:

Actually, I'd rather not and am hoping I won't have to. What charting software are you using with what datafeed that has given you good results in fast moving markets? Please let me and everyone here know. Thanks in advance.

Jay is absolutely correct here: IRT and Jay on behalf of DTN have both provided excellent and generally timely support on an array of issues over the years. What I think we need here is some careful, thoughtful consideration of this issue from some of DTN's most technically expert personnel...

Actually, after working with the program for a couple of years, I think the IRT software is outstanding in all but fast markets. It has some tremendously valuable functionalities that I believe are unique to it, most notably its volume breakdown feature which enables traders to see how much...

I'm glad to learn that the DB is very efficient and that you're intimately familiar with it. Do you think that there may be a bottleneck being caused by any limitation in how fast IRT can take up the tick data that IQConnect is putting out? This would be really good to know in trying to...

I've noticed the same thing myself. Btw, you can force a restart of the data feed by Shift+Left Click on the Start IQ Feed button on the toolbar; this turns the procedure into a 1 step process. But, I'm wondering what this tells us about the nature of the underlying problem. One theory I have...

Many thanks for your reply. I'm using Time Warner Cable with Turbo Boost (which delivers downloads at anywhere from 2 - 10 Mbps) and Verizon DSL as a backup. So that should not be a problem. I'm using no heavyweight indicators; nothing I'm using takes more than 1 millisecond to calculate...