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"I ran your IQFeed DDE vs. my broker vs. a level II window for some slow-moving options. I would see the level II quote change, then your feed update instantaneously. My broker's DDE, however, would take as much as 30 seconds to update. I am not chasing milliseconds, but half a minute is unacceptable." - Comment from Rob
"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 am keeping IQFeed, much better reliabilty than *******. I may refer a few other people in the office to switch as well." - Comment from Don
"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
"You are much better than lawyers or the phone company because you answer the phone when I call! I just love your customer service." - Comment from Isreal
"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
"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
"Everything is working great with the API. I love it." - Comment from Calvin
"Very impressed with the quality of your feed - ******* is a real donkey in comparison." - Comment from A.C. via Email
"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
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chrisk has contributed to 6 posts out of 21199 total posts (0.03%) in 6,824 days (0.00 posts per day).

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The only alternative is NxCore, but it is still too pricey. All other feeds would not work. Can you just list all the realtime exchanges still available on satellite?


It seems like DTN satellite feed has been trimmed down over last few years.
What is still available as far as realtime equities/futures, their options, and
specific exchanges.


DTN announced removing of Equity/Index Options and NASDAQ Level II data from satellite systems. What options data was exactly removed? I suppose the quotes for options were removed because they generate so much data. What about the actual trades for options, are they removed too? What about the end-of-day data like closing price, volume, or outstanding interest for each option symbol?


Your 460kb (I assume Kbits/sec) is the speed you saw on your connection between DTN Receiver and your PC. I was asking about the satellite link (between DTN Transmitter in Nebraska to a satellite and down to your DTN Receiver) where DTN uses totally different format using compressing (the data on your serial link is decompressed and in different format). Secondly, DTN sends *ALL* its DTN RT trading data through its satellite link, and your serial link had only the data you subscribed to. Also, I asked about the maximum capacity of the link and not what you could see at any particular moment.


Just to clarify, I meant to say the maximum bandwidth and not what is actually transmitted which may depend on a given day or given instance.


Does anybody know what is the total bandwidth (in bits/sec) of the DTN satellite link for
transmitting all trading data, e.g. trades/quotes for all equities, options, futures, indexes, forex, etc?? That is all trading data less anything like weather info not directly related to trading.


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