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"I'm very glad I switched to IQFeed. It's working perfectly with no lag, even during fast market conditions." - Comment from Andy via Email
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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
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»Forums Index »NEW IQFEED FORUMS »IQFeed API Questions
Thread Started By Replies Views Last Post
Moderators: DTN_mark_e, DTN_ToddH
Wrong date format in L2 update message lz 3 88 Yesterday @ 09:43 AM
by DTN_Gary_Stephen
Is it possible to set Level 2 depth levels to just broadcast the top 2 levels? step999 5 238 Feb 13, 2024 08:40 AM
by DTN_Gary_Stephen
EDS request always return E,50007 error? leoon 1 94 Feb 12, 2024 08:45 AM
by DTN_Gary_Stephen
Level1 streaming data - char 'c' never comes in 'Message Contents' field LeeFox 4 674 Feb 12, 2024 08:27 AM
by DTN_Gary_Stephen
Connection refused jaesle 4 590 Feb 10, 2024 07:29 PM
by mkvalor
How to get Open Interest value? yvo109 1 639 Sep 5, 2023 02:05 PM
by DTN_Gary_Stephen
c & s update Message Contents. Craig 28 842 Aug 22, 2023 02:42 PM
by DTN_Gary_Stephen
Futures Tick Data Out Of Order. Craig 7 601 Aug 22, 2023 01:54 PM
by DTN_Gary_Stephen
VIX.XO 1 minute data Craig 5 504 Jul 20, 2023 11:10 AM
by DTN_Gary_Stephen
Option Chain Response missing "LC" Roberts 2 744 Jul 20, 2023 03:29 AM
by Roberts
Reqeusting opinions about using L2 Market by Order vs Market by Price (where applicable) mkvalor 0 578 Jul 18, 2023 11:31 PM
by mkvalor
16 second delay in receiving response to single bat HIT request mac 4 656 May 20, 2023 10:17 AM
by mac
5MS for CBOT_GBX? andrewm 2 618 May 18, 2023 10:32 AM
by DTN_Gary_Stephen
Connecting to API using TCP/IP via Excel VBA MegaBite 9 1001 May 15, 2023 07:00 AM
by MegaBite
6.2 Install: Am I Missing Something. Craig 6 862 May 9, 2023 11:31 PM
by Craig
Only send updates for dynamic fields subscribed mac 1 509 May 8, 2023 04:37 PM
by DTN_Gary_Stephen
Internal socket _IQIF_SBL1 hangs under wine mac 3 666 May 8, 2023 01:33 PM
by DTN_Gary_Stephen
IQFeed Exiting After Reconnect. Craig 10 1473 May 1, 2023 02:19 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
IQFeed API documentation source?
andrewNoah 15 8897 Oct 18, 2022 08:53 AM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
Streaming 5-second Interval Bars - Derivative Timing
Kyle_Springtech 3 1093 Oct 5, 2022 07:59 AM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
@ESM22 seems to be missing options
stargrazer 12 1900 Jun 21, 2022 02:14 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
MBO data & BookMap
jphiggs 1 1687 Jun 17, 2022 01:36 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
Issue using CEO command to download options tickers
Mark Reiten 4 1244 Jun 15, 2022 10:06 AM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
5MS 5-min market summary
somebody 6 3265 Jun 5, 2022 04:34 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
HTTP 1.1/ 400 Bad request response upon request
alexfe 3 1290 May 24, 2022 03:44 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
How to find Future Contract
xvz 6 1268 May 12, 2022 01:08 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
Questions about api
dd 5 11812 Apr 12, 2022 04:43 AM
by vsdera
Moved from: IQFeed Developer Support
FDS request error
xvz 2 1257 Apr 11, 2022 10:37 AM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
Future previous contracts
xvz 2 1399 Apr 7, 2022 01:13 PM
by xvz
Moved from: IQFeed Developer Support
New to API, Basically C# question
Vector12 3 1405 Apr 4, 2022 12:02 PM
by BottomFeeder
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