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"Everything is working amazing now. I'm already impressed with the true-tick feed of IQFeed and it's ability to support my 480 symbol layout." - Comment from Tyler via Email
"I use IQ Feed, Great stuff as far as data analysis information, storage and retrieval is concerned." - Comment from Public Forum
"I used to have *******, but they are way more money for the same thing. I have had no probs with data from DTN since switching over." - Comment from Public Forum Post
"You have an excellent feed. Very few spikes for Spot Forex." - Comment from Public Forum Post
"I am keeping IQFeed, much better reliabilty than *******. I may refer a few other people in the office to switch as well." - Comment from Don
"You have an excellent product !!!!!!" - Comment from Arely
"Thanks for following up with me. You guys do a great job in tech support." - Comment from Phelps
"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
"This beats the pants off CQG, I am definitely switching to the ProphetX 3.0!" - Comment from Stephen
"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
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20 Most recent posts:
Data and Content Support » Historical Time and Sales (or Trade Data) Apr 27, 2011 01:22 PM (Total replies: 6)

Excuse my dumb question, Stan, but how do I "request a chart & back fill"? So far all I have is the client ddl and spreadsheet. Do I have to have API subscription first, or can I try out some other way before making the investment?

One key piece of historical info I'm looking for is the volume. This tends to be very unreliable from feed to feed, which is why I'd like to get a decent size sample first. What I'm looking for is the "cumulative volume" field in the official SIAC L1 feed, and in 1-min bars as the first step. Do you keep this piece of info or is the volume what you compute based on your own trade size info?

Again, thanks in advance!

Data and Content Support » Historical Time and Sales (or Trade Data) Apr 27, 2011 12:30 PM (Total replies: 6)

I have the same question. What options do I have in the software I can use to access historical data?

Thanks!


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