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"You have an excellent feed. Very few spikes for Spot Forex." - Comment from Public Forum Post
"DTN feed was the only feed that consistently matched Bloomberg feed for BID/ASK data verification work these past years......DTN feed is a must for my supply & demand based trading using Cumulative Delta" - Comment from Public Forum Post
"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.
"Just a quick one to say I'm very impressed so far :) The documentation for developers is excellent and I've quickly managed to get an app written to do historical downloads. The system is very robust and pretty quick considering the extent of data that's available. The support guys have been very helpful too, in combination with the forums it's been plain sailing so far!" - Comment from Adam
"Awesome response, as usual. It is a sincere and refreshing pleasure to do business with DTN, compared to your competition." - Comment from Ryan
"IQ feed is brilliant. The support is mind-bending. What service!" - Comment from Public Forum Post
"The service is great, I see a noticeable improvement in my volume profiles over [broker]'s data feed" - Comment from Larry
"It’s so nice to be working with real professionals!" - Comment from Len
"Can I get another account from you? I am tired of ******* going down so often" - Comment from George
"There is no doubt that IQFeed is the best data provider. I am very satisfied with your services. And IQFeed is the only one that I would recommend to my friends. Now, most of them are using your product in China." - Comment from Zhezhe
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ropester has contributed to 10 posts out of 21191 total posts (0.05%) in 5,915 days (0.00 posts per day).

20 Most recent posts:
IQFeed Developer Support » INTC Apr 20 Put Volume ( NQPD ) Apr 15, 2008 11:28 PM (Total replies: 1)

My broker and all other feeds i use are reporting 87311 for the volume at EOD today. Is there a reason why IQ feed is reporting 95811?

thanks

IQFeed Developer Support » Couple of feature requests? Apr 6, 2008 06:10 PM (Total replies: 1)

Hi, having implemented most of the IQ Feed api in my own app, there are a couple of things which would be really helpful - or if they are there already, could someone point them out?

When i request data, i need to know if it's a valid trading day, i couldn't find anything that helped identify this i.e. if i request day or tick data tonight with '1' day as the parameter i get nothing through...so i have to currently put '3' or more through to get friday's data. i guess i could just work back until i find valid data..

Also i noticed there is a function to request the last X number of ticks, is this possible to do for minute data ? Right now you can only specify minute intervals and number of days to look back over..i..e i might ant just the last 3 hours of minute data but looks like i have to grab the whole days worth of minute data..

thanks

IQFeed Developer Support » Minute data period volume slightly off? Mar 30, 2008 01:40 PM (Total replies: 3)

Hi, i'm just running through the minute trades on a few options - virtually all the data is coming through fine but the data seems to be slightly off..
For example, RIMM 115 April Calls ( RUL DU ) shows 8202 as the total volume for friday..

If i run through every minute in the data and add up the period volume i end up with 7869

Am i missing something?

thanks
Si

IQFeed Developer Support » Interest rate on Black-Scholes? Mar 30, 2008 11:38 AM (Total replies: 0)

Does anyone know what interest rate i should be using when calculating call/put implied volatility through Black-Scholes? I am using the 10 Yr T-Note right now but notice that several sites are all using different ones...

thanks
S

IQFeed Developer Support » Simple C# Example, Anyone? Mar 30, 2008 11:35 AM (Total replies: 4)

I have references to AxIQFEEDYLib IQ_APILib, IQFEEDYLib, DTNHISTORYLOOKUPLIb, DTNNEWSLOOKUPLib etc..

I pulled most of it from the C# example they provided, I'm not doing a console app but..

In my form class i have

static public AxIQFEEDYLib.AxIQFeedY IQFeed;

In InitializeComponent i have..

IQFeed = new AxIQFEEDYLib.AxIQFeedY();

((System.ComponentModel.ISupportInitialize)(IQFeed)).BeginInit();
IQFeed.Enabled = true;
IQFeed.Location = new System.Drawing.Point(486, 8);
IQFeed.Name = "IQFeed";
IQFeed.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("IQFeed.OcxState")));
IQFeed.Size = new System.Drawing.Size(100, 24);
IQFeed.TabIndex = 4;
IQFeed.Visible = false;
((System.ComponentModel.ISupportInitialize)(IQFeed)).EndInit();

All the other form setup is in the code. I've not tried decoupling the object from the form yet..

Hope that helps..

S

IQFeed Developer Support » Historial minute option data? Feb 24, 2008 06:32 PM (Total replies: 3)

I'm guessing the volume is too low hence no data..ok i see...picked a daft contract to test against, i used an ITM contract and it all came up fine. Thanks again.

S

IQFeed Developer Support » Historial minute option data? Feb 24, 2008 06:30 PM (Total replies: 3)

Trying IBM CM right now, trying a few others. Keeps coming back as ERROR..

IQFeed Developer Support » Historial minute option data? Feb 24, 2008 06:24 PM (Total replies: 3)

Does IQ not supply 1/5 minute historical option data at all? I'm just looking for the 2-3 weeks max..

IQFeed Developer Support » RequestMinuteHistory not working? Feb 24, 2008 06:12 PM (Total replies: 2)

Just figure it out before the reply, forgot we're on a sunday - time for more coffee.

thanks
S

IQFeed Developer Support » RequestMinuteHistory not working? Feb 24, 2008 06:00 PM (Total replies: 2)

Hi, i'm new to using iQFeed so apologies. I've set everything up ok and i'm getting daily,weekly and monthly historical data fine but when i do RequestMinuteHistory("IBM",1,1) or RequestMinuteHistory("IBM",2,5) as examples (i've tried a bunch of tickers with no success) then the OnAbortedLoaded ( string ) gets called except the string is just empty so i have no idea why i'm not getting data..

Any ideas on this?

thanks
S


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