Re: How is auction price calculated?
Just thought it worth adding that different exchanges will employ different methods for calculating the auction price given the state of the order book. If you want to know the exact method you will
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Colin Bowers
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#50568
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Re: TWS API Linux - Segmentation fault - __bid64_to_string
Thanks for looking into this with me. root@flare9x:~/IBJts/source/cppclient/client/lib# g++ -dumpmachine x86_64-linux-gnu I just recently installed WLS as per instruction from ubuntu - they have you
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Andrew Bannerman
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#50567
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Re: TWS API Linux - Segmentation fault - __bid64_to_string
Do you have the 64-bit versions of gcc and the standard libs installed via apt?? Also, I believe that there is something wrong with WSL somehow.? Possibly your specific setup (wrong libs installed?)
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Hunter C Payne
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#50566
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Re: TWS API Linux - Segmentation fault - __bid64_to_string
Yeah - loading project file in Microsoft visual studio - it defaults to win32. On windows I couldn't get it to compile on 64bit. I tried both 32 and 64bit here - indeed running 32bit on this
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Andrew Bannerman
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#50565
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Re: Standard deviation for strike
I don't understand what you mean by "std deviation of strike". The underlying (i.e. stock price) has a std deviation, so the color coding just shows how far, in terms of std deviation, the underlying
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Bart D
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#50564
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Re: TWS API Linux - Segmentation fault - __bid64_to_string
The static library to which you are linking is compiled for a different CPU architecture (specifically it is compiled for x86-64):/usr/bin/ld: i386:x86-64 architecture of input file
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Hunter C Payne
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#50563
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TWS API Linux - Segmentation fault - __bid64_to_string
Running ubuntu. Running Cpp sample client out of the box. I receive a segmentation fault. 0x00005555555efba6 in __bid64_to_string () Have sourced this function to client file to Decimal.h extern "C"
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Andrew Bannerman
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#50562
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Re: trouble linking twsapi
Ok I am having some seg fault issues as well running on ubuntu. I can compile the exact same code on windows, vscode,win32. The library there is different though. Did you ever find a resolution?
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Andrew Bannerman
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#50561
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Re: trouble linking twsapi
Is there a direct place to file bugs with IBKR - checked github didnt see issues section open there.
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Andrew Bannerman
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#50560
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Re: How is auction price calculated?
IB does not calculate it, it is disseminated by the exchange. Yes, order imbalance will do it.
By
cactus74@...
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#50559
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Standard deviation for strike
Hello! I want to ask how to calculate standard deviation for strike which is shown in option chains as popup on mouse cursor hover on strike: I found that 1 standard deviation = stock price *
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leonid.dmitricenko@...
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#50558
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Reading API Logfile
Is there any utility available for reading API logfile? Or any pointer on how to read these files? Thanks
By
Ketan
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#50556
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Re: Request Historical Data with Keep up to date set to true
Thanks again. Yes, that was the problem.
By
allenshaun2@...
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#50555
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Re: Request Historical Data with Keep up to date set to true
I think you have led me to a solution. I am using an older version of the ewrapper from an older version of the API. I have been working in VS2015 just because it is what I had installed. I can't open
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allenshaun2@...
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#50554
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Re: IBKR API: ERROR -1 1100 Connectivity between IB and Trader Workstation has been lost.
They will definitely occur in case your internet connection is flaky. But We get them every night during the scheduled reset period (see System Availability (
By
J¨¹rgen Reinold
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#50553
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Re: IBKR API: ERROR -1 1100 Connectivity between IB and Trader Workstation has been lost.
Thank you J¨¹rgen It occured during wednesday's night not during the weekend. After investigation i think it was my internet connection at home during that night. oto
By
autotest890@...
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#50552
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Re: IBKR API: ERROR -1 1100 Connectivity between IB and Trader Workstation has been lost.
When do you experience the 1100 errors, oho? During the IBKR maintenance windows and on weekends? Take a look at the Message Codes ( https://interactivebrokers.github.io/tws-api/message_codes.html )
By
J¨¹rgen Reinold
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#50551
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Re: Main app in new process vs new thread (Python)
Yeah, well... give it time and that stuff will become obvious. I was just taking an educated guess but if you're really curious you can actually read through the Python code for multiprocessing
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buddy
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#50549
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Re: Main app in new process vs new thread (Python)
This is the best advice IMHO. Specifically, I'd take a close look at this code: ``` import asyncio import ib_insync as ibi class App: async def run(self): self.ib = ibi.IB() with await
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buddy
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#50548
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Re: Main app in new process vs new thread (Python)
Thank you, krazatchu! I definitely need to try queue
By
GreenGreen
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#50547
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