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Who has switched to NT8? Who still trades on NT7?
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Who has switched to NT8? Who still trades on NT7?

  #21 (permalink)
Market Wizard
Amsterdam, The Netherlands
 
Futures Experience: Intermediate
Platform: Ninjatrader 8
Broker/Data: NinjaTrader Brokerage
Favorite Futures: CL, ES, NQ
 
GruttePier's Avatar
 
Posts: 936 since Dec 2013
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I'm on NT8 for 3 months now and have not experienced any issues. Having said that, I'm not doing anything out-of-the-ordinary.

I did experience a couple of coding issues when converting my indicators but worked around it. I'm not experiencing issues during market replay.
Of all NT changes, I really like the tabs in NT8.

A happy user


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  #22 (permalink)
Elite Member
Chicago, IL
 
Futures Experience: None
Platform: NT8,NT7,TWS,FOREX.COM app
Broker/Data: InteractiveBrokers, NinjaTrader Brokerage FOREX.COM, IQFeed
Favorite Futures: The one I'm creating in the present....ES, ZF, ZN, ZB, FX pairs
 
Blash's Avatar
 
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liquidcci View Post
I have two machines just dedicated to NT. One is a remote machine located at exchange and a testing machine.

The remote and test machine only have NT7 and NT 8 on them and nothing else

Test Machine is a XEON E5-2670 (Two Processors) 2.6ghz with 64gb of Ram running Windows Server Essentials 2016

GPU: Nvidia GeForce GTX 750
HD: 256 Gb toshiba SSD

I have also run on my live trading machine with very different specs and another machine that is not dedicated to trading all have same issues so I don't think it is hardware compatibility.

Sounds good thank you.

Just for some different info....
I have asked for, and been told by Trading Computers, who I buy all my machines from, that speed is the number one requirement of trading machines and a multi processor machine would be slower but great for a server type application.

Are you recreating your workspaces on a regular schedule? I find many problem arise once a workspace starts to age as well as weeding out possible corrupt data.

Have you worked with @NinjaTrader on your issues? I find it best to present them with videos documenting the problem. Many of them!.....lol

Ron

It is an axiomatic fact that while you meditate you are speaking with your own spirit. In that state of mind you put certain questions to your spirit and the spirit answers: the light breaks forth and the reality is revealed.
The steed of this Valley is pain; and if there be no pain this journey will never end.
Buy Low And Sell High (read left to right or right to left....lol)
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  #23 (permalink)
Elite Member
Austin, TX
 
Futures Experience: Master
Platform: ninjatrader, r-trader
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Blash View Post
Sounds good thank you.

Just for some different info....
I have asked for, and been told by Trading Computers, who I buy all my machines from, that speed is the number one requirement of trading machines and a multi processor machine would be slower but great for a server type application.

Are you recreating your workspaces on a regular schedule? I find many problem arise once a workspace starts to age as well as weeding out possible corrupt data.

Have you worked with @NinjaTrader on your issues? I find it best to present them with videos documenting the problem. Many of them!.....lol

Ron


The Xeon machine I built for backtesting has 8 cores each processor for 16 total and 32 threads. I built it specifically to take advantage of NT8 backtesting engine and use of multiple cores. Should be a beast of a number cruncher once NT8 starts working correctly. These processor are normally $1000 each but I was able to snag for $100 each and build a machine around them. Facebook and others have dumped a lot of the 2670 processors on the market all at once because more power efficient ones out.


I have looked at workspace issue but it is not the problem.

Yes in extensive contact with NT support.

"The day I became a winning trader was the day it became boring. Daily losses no longer bother me and daily wins no longer excited me. Took years of pain and busting a few accounts before finally got my mind right. I survived the darkness within and now just chillax and let my black box do the work."
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  #24 (permalink)
Elite Member
Chicago, IL
 
Futures Experience: None
Platform: NT8,NT7,TWS,FOREX.COM app
Broker/Data: InteractiveBrokers, NinjaTrader Brokerage FOREX.COM, IQFeed
Favorite Futures: The one I'm creating in the present....ES, ZF, ZN, ZB, FX pairs
 
Blash's Avatar
 
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liquidcci View Post
The Xeon machine I use for backtesting has on 8 cores each processor for 16 total and 32 threads. I built it specifically to take advantage of NT8 backtesting engine and use of multiple cores. Should be a beast of a number cruncher once NT8 starts working correctly. These processor are normally $1000 each but I was able to snag for $100 each and build a machine around them. Facebook and others have dumped a lot of the 2670 processors on the market all at once because more power efficient ones out.





I have looked at workspace issue but it is not the problem.



Yes in extensive contact with NT support.


Now that is a great trade!!!!!!!!!!!! Nice work!

Ron



Sent from my iPhone using futures.io

It is an axiomatic fact that while you meditate you are speaking with your own spirit. In that state of mind you put certain questions to your spirit and the spirit answers: the light breaks forth and the reality is revealed.
The steed of this Valley is pain; and if there be no pain this journey will never end.
Buy Low And Sell High (read left to right or right to left....lol)
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  #25 (permalink)
Market Wizard
Birmingham UK
 
Futures Experience: Intermediate
Platform: NinjaTrader
Broker/Data: IG/eSignal
Favorite Futures: Dax
 
ratfink's Avatar
 
Posts: 3,326 since Dec 2012
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In my experience NT8 is still not ready for prime time, a glance at the release notes is enough to see why, a raft of bugs fixed in each and a further raft outstanding, a dozen or more of which are mine. I dare say serious users/providers are well into far bigger lists. A stable platform needs an asymptotic decrease in buglist content, although at least the situation is relatively transparent.

I've now ported a truckload of 'ordinary' NT7 code to NT8 in less time than I expected, but found far more problems than I expected, surprisingly even basic datafeed issues, or even simple Print statements that crash it if more than one output window is open. I have not tried to go outside supported areas, settling for minor or safe Forms v WPF changes only where necessary. Fortunately, most supported graphical/computational code ports well and straightforwardly, with just a building 'gotchas' list to avoid. However, serious development for the new beast does require a greatly increased level of diligence and awareness of multi-processing issues, take heed and always wear a code condom.

All that said, it is definitely usable in a 'getting to know you' kind of way. I'm glad I made the start and do continue to run it intermittently in parallel on different machines to see how the releases are evolving. Interestingly, all the bugs I've found reproduce equally well on a wild variety of graphics cards and processor or motherboard graphics combinations, although I'm also sure WPF itself is not helping stability. Sadly NT8 will still crash all on its own without any user code involved and not always in reproducible ways, sometimes with database or xml faults.

I haven't experienced the memory leak issues that others seem to have encountered, but find some of the numbers reported to be staggering. If true, then all performance benefit from extra cores utilisation will be swamped anyway. Hopefully, as understanding and coding practice improve along with release reliability, this should become less of a problem. My dark concern is that fundamental design reliability has been compromised by an over-ambitious and over-hyped launch. Let's hope not.

I'm assuming support and development are severely overloaded and hope the situation improves greatly over the coming year. I still regard it as early days and remain committed, pending outstanding bug-fixes and quality jumps, but for now will remain an interested and happy non-user.

Cheers

Travel Well
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  #26 (permalink)
Elite Member
Denver, CO
 
Futures Experience: Advanced
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I appreciate all your comments and thoughts on this thread.

For sure NinjaTrader 8 is in its early days and you can expect longer than normal fix lists from release to release especially when contrasted to a mature product like NinjaTrader 7 which is in its 8th production year.

That being said, a few comments from my perspective.
  • As others, have said, development of custom scripts in NinjaTrader 8 is a lot more flexible and powerful however, one needs an increased level of diligence (I like the code condom reference ) as memory leaks can easily sneak in. Most memory issues that come across our help desk have been related to custom indicators.
  • Thatís not to say we are not guilty With the help of our developer community, we were able to isolate a chart rendering thread lock issue that we believe can result in a memory leak. This can affect a subset of a subset of users who consume custom indicators that override the OnRender() method. This fix will be in R6 due out next month.
  • To put usage in perspective, as of last week, we are averaging nearly 3,000 daily users and growing

In any case, its with your feedback that we are able to make NinjaTrader a great product so thank you for that.

Disclosure: This communication is sent to you by NinjaTrader, LLC, a software development company which owns and supports all proprietary technology relating to and including the NinjaTrader trading platform.
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  #27 (permalink)
Elite Member
Australia
 
Futures Experience: Intermediate
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sienna View Post
I am on NT8, now, but the Market Replay data for NT8 seems to be inaccurate and I am limited to the Strategy Analyser in NT8, which I distrust, intensely. If anyone could chime in with expert knowledge on Market Replay data for NT8, I'd be very appreciative. Thanks

sienna, you can help us by posting a picture too of what you are referring to. Are you referring to Market Replay (historical playback) or Tick replay (fine-grained bid/ask data)? If you are referring to Market Replay you are wise to download several days and then playback in the middle somewhere if you are having problems. If you are referring to tick replay (which is not really a replay) then when connected to your broker, right click on your chart "Reload Historical data".

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  #28 (permalink)
Sienna
Melbourne, Australia
 
Futures Experience: Beginner
Platform: Ninja Trader
Broker/Data: Ninjatrader Brokerage
Favorite Futures: Transiting to ES,CL, YM
 
Posts: 41 since May 2012
Thanks: 22 given, 9 received


Sim22 View Post
sienna, you can help us by posting a picture too of what you are referring to. Are you referring to Market Replay (historical playback) or Tick replay (fine-grained bid/ask data)? If you are referring to Market Replay you are wise to download several days and then playback in the middle somewhere if you are having problems. If you are referring to tick replay (which is not really a replay) then when connected to your broker, right click on your chart "Reload Historical data".

SIM22,
Am referring to Market Replay Minute data (historical playback). My trading partner downloaded a few months data (minute) and tested at different speeds, across personal PC and a trusted VPS. We both use the same AutoTrade program from a vendor. On NT7 it worked without a hassle. On NT8 it gives different results and it cuts out at random, not placing any orders after a few days.

The vendor (who is not a snakeoil salesman) had his programmers test and test, concluding that it was the NT8 based Market Replay data. (It is fine on NT7). The NT8 tests were done a t 1X 200X 500X speeds....the reults were wildly different, combined with the randomn pauses in order placement, no matter the speed.

Now the first reaction is to question the vendor's AutoTrade program. However, when running on demo live (forward testing) the issues completely disssappear, as regards: randomn cuts outs and not placing any orders after a few days. Strategy Analyser also works fine (but I don't trust the results on SA). However, I am unable to test NT8 Market Replay (min) and there is the rub.

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  #29 (permalink)
Sienna
Melbourne, Australia
 
Futures Experience: Beginner
Platform: Ninja Trader
Broker/Data: Ninjatrader Brokerage
Favorite Futures: Transiting to ES,CL, YM
 
Posts: 41 since May 2012
Thanks: 22 given, 9 received

Short add on to my above post (kind of answers my own question). The vendor, whose autostrade program I use just came back with this: "......there are discrepancies with NT's Market Replay & Strategy Analyser on their end. They're attempting to remedy the bugs, however, have no firm date yet for resolution".

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  #30 (permalink)
Elite Member
Surrey, UK
 
Futures Experience: Intermediate
Platform: Ninjatrader, Tradestation
Broker/Data: Kinetick, InteractiveBrokers
Favorite Futures: Equities, Futures
 
Posts: 135 since Jun 2010
Thanks: 69 given, 59 received


The main problem that I noticed is that when I was developing a multi-timeframe indocator, and was debugging using Visual Studio, after a few sessions of attaching/detaching to the Ninjatrader process, Ninjatrader would just crash without any error/warning/exception message.

Since developing my indicator, all has been great. I have monitored the memory and it seems stable. I was using Tradestation until the beginning of this month and it used to start running slowly even though I have the latest high spec machine.

Now since completing and running my new indicator, Ninjatrader is a pleasure to use and I wouldn't be able to do without the new features. The tabbed windows in themselves are awesome.


I love NT8!

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