Join the 80,000 other DTN customers who enjoy the fastest, most reliable data available. There is no better value than DTN!

(Move your cursor to this area to pause scrolling)




"I started a trial a few weeks back before the market went wild. DTN.IQ didn’t miss anything and beat my other provider. I decided to stay with you because of the great service through all the volatility." - Comment from Mike
"IQ feed is brilliant. The support is mind-bending. What service!" - Comment from Public Forum Post
"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
"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
"I "bracket trade" all major news releases and I have not found one lag or glitch with DTN.IQ feed. I am very comfortable with their feed under all typical news conditions (Fed releases, employment numbers, etc)." - Comment from Public Forum
"The service is great, I see a noticeable improvement in my volume profiles over [broker]'s data feed" - Comment from Larry
"IQ feed works very well, does not have all of the normal interruptions I have grown used to on *******" - Comment from Mark
"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
"I was with ******* for 4 years at $230 a month, this is a huge savings for me, GOD BLESS YOU PEOPLE," - Comment from T.S. via Email
"As a past ******* customer(and not a happy one), IQ Feed by DTN is a much better and cheaper product with great customer support. I have had no problems at all since switching over." - Comment from Public Forum
Home  Search  Register  Login  Recent Posts
Information on DTN's Industries:
DTN Oil & Gas | DTN Trading | DTN Agriculture | DTN Weather
Follow DTNMarkets on Twitter
DTN.IQ/IQFeed on Twitter
DTN News and Analysis on Twitter
Viewing User Profile for: jpaladin
About Contact
Joined: Jan 30, 2008 09:03 PM
Last Post: Feb 2, 2008 09:36 AM
Last Visit: Feb 2, 2008 09:36 AM
Website:  
Location: Florida
Occupation: java developer
Interests: stock trading
Email: joepaladin@hotmail.com
AIM:
ICQ:
MSN IM:
Yahoo IM:
Post Statistics
jpaladin has contributed to 2 posts out of 21196 total posts (0.01%) in 5,955 days (0.00 posts per day).

20 Most recent posts:
IQFeed Developer Support » basic socket question Feb 2, 2008 09:36 AM (Total replies: 1)

I am new to sockets, and figuring out this sample application code :

while (true ) {

line = in.readLine();

sout.write(line+"\r\n");
sout.flush();

if (line.trim().equals("x") ) {break;}

}

So, why does in.readLine() block, and what could it possibly be waiting for ?
Setting a break point after in.readLine() it never hits.
I guess socket code blocks by default when you tell it to read, and it is empty ?

I see that "in" is a System.in socket, so I guess it is some kind of global server socket.

When it gets something, it is reflected to the IQFeed socked that I watch for my data, so I would like to know what I might have to deal with while watching the data.

if an "x" arrives my whole feed is going to be shutdown.

So, I would like to better understand this code.
Joe paladin

IQFeed Developer Support » Incorrect Historical Data Time Stamping Feb 2, 2008 09:18 AM (Total replies: 5)

If I read these posts correctly, the datafeed sends the actual trades, with the correct time stamps, but they don't always arrive in time stamp order ?

I believe that my graphing code could tolerate this, since it just draws lines between the next two data points. However, this could throw a big wrench in my analysis routines which assume that ticks loaded to a vector are moving forward in time.

I could add a method to reorder the ticks, which would be fine for graphing at the end of the day. Reordering would to be to expensive to apply in realtime though.

I may need to add a filter that drops any back dated ticks before they get added to my tick stream Vector. This approach might also work for SierraChart.
Joe paladin


Time: Sun May 19, 2024 11:07 AM CFBB v1.2.0 5 ms.
© AderSoftware 2002-2003