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Massive data slowdown (Multicharts + IQfeed)


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Massive data slowdown (Multicharts + IQfeed)

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  #1 (permalink)
 wilkinsw 
London UK
 
Experience: Intermediate
Platform: Tradestation, Multicharts, MarketDelta
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Posts: 9 since May 2013
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During the Flynn news today at about 1600gmt....I suffered massive slowdowns in my Multicharts+IQfeed charting.

At one point it was lagging by about 10mins and eventually stopped.

I had to delete and re-add symbols to get it working again.

A friend of mine using the same setup had the same problem.

Anyone else?

Thanks.

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  #2 (permalink)
 Beljevina 
Toronto, Canada
 
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I don't know anything about Multicharts and how well it is programmed nor how efficiently it handles multiple charts and all the calculations needed, but based on my experience with Ninjatrader, it sounds like you had a worst case scenario slowdown, based on a massive rush of ticks, volume and data coming in, for all the charts/indicators you have open. Or, it was an actual problem with the actual datapush from IQFeed - would be great if someone who uses that could respond. But if it was actually 10 minutes, that is a severe problem that requires more analysis.

As an aside, I use Ninjatrader (on a 4770K, 16GB PC) and it runs fairly efficient (the 98% of the time that there is a constant rate of "normal" market data) with well over 70+ charts, many GOM custom/indicators, and other heavy CPU cycle drawing indicators. When all those charts need to receive every unfiltered tick of data rushing into the CPU, I did have a slowdown, getting about 7-15 seconds behind on chart updates. But I know this was not a CQG datafeed problem. As an aside, I run VM VirtualBox sessions on the same PC with other NTs (as well as Sierra Charts), and I keep some of those indicator free, and they barely missed a beat on drawing an up to date price chart. Having a back-up trading platform for times like this, gives the imperative agility to be able to get in and out of trades, quickly, without CPU cycle sucking slowdowns.

EDIT: @RanchoDinero posted that he had no issues with IQFEED during today's antics, but, if you check their twitter feed, some customers did.


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  #3 (permalink)
 jackbravo 
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I had issues, and I'm using Sierra Chart...but I'm getting the data from Gain capital, so I'm blaming the data feed.

"It does not matter how slowly you go, as long as you do not stop." Confucius
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  #4 (permalink)
 wilkinsw 
London UK
 
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very good advice which I will be taking onboard.

Iqfeed confirmed they had a server issue brought on by the vol.......nice!

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  #5 (permalink)
 cory 
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charts were frozen for awhile, CQG feed.

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  #6 (permalink)
 sptrader 
Colorado
 
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Yes, I can also confirm the IQfeed outage for a short time today. It happened right near the low of the day- volume was
massive. I also use Multicharts.
Unnerving though, as we are supposed to have a very reliable and stable datafeed under ANY market conditions. I must admit though, this has not happened, to this extent, in the past 10 years or more that I've been with IQfeed.

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  #7 (permalink)
 spidracer 
New York, NY
 
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Same here IQF+MC. Kudos to IQF for answering the phone and giving me an answer right away though...

I algo/auto-trade futures through IB in 1 min bars and have been considering getting the live data from IB rather than IQF. Thus eliminating a layer of risk from a 3rd party not necessarily needed.

Does anyone have any real-time experience with IB live data experiencing similar issues in the past?

Other issues that would steer me away from chopping IQF and using IB RT data?

Anyone tested quality of RT data of IB vs IQF (outside of known tick data issues)?

Thanks in advance.

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 NGtrader 
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Same here, CQG and Kinetick. It was at least 10 min behind and my friend who uses IB for her Ninjatrader charts had no issues. I emailed NT support and they contacted Kinetick. They don't know what caused it.

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  #9 (permalink)
 chaching 
Raleigh, NC
 
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NGtrader View Post
Same here, CQG and Kinetick. It was at least 10 min behind and my friend who uses IB for her Ninjatrader charts had no issues. I emailed NT support and they contacted Kinetick. They don't know what caused it.

I have been using IB+Kinetick (and NinjaTrader) for almost two years. Friday was the second time when Kinetick gave crap data right after ABC news. I disconnected from Kinetick and used IB data instead, without DOM. Tried to reconnect to Kinetick twice in the next ten minutes and it's still crap. It came back to normal in about 15 to 20 minutes. Fake news and fake data, a perfect combination.

BTW, no slow down/lagging here. I did a successful scalp in a few minutes.

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