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Hi Jim I'm having the same issue when attempting to upgrade from IB Gateway v10.19 to v10.30 (as v10.19 will stop functioning in March).? Did you ever find a longer fix to this issue or are are

Could you help me implement my own connection? Thanks.

This is enough now. Delphi, Pascal, Lazarus, and problems with home-grown TWS API message serializers/deserializers are out of scope for our group. I did let it go for a little so that interested

Yeah??? Well where was the damn Lazarus app? There was no such app in the file I downloaded but you advertised that it run on Lazaus. Maybe you added? later but it wasn't in the version you sold me.

My understanding is that it does not depend on the type of instrument. But that it applies to all customers who use an automated trading system, i.e. without the account owner actively monitoring the

I do not know what criteria is being used to determine who? the questionnaire applies to.? I remember no mention of the type of instrument.? It seemed like it was designed to evaluate how well your

Trying to create a quote based on ticks coming from "reqMktData". Simplified code below. Question: There are two separate callbacks for option greeks and prices and both are important for my strategy

Hi all - is the questionnaire referenced in this thread specific to class of instrument (eg futures); or does the questionnaire apply to all IBKR customers? Thanks!

Yes of course we can help..... customers.? If you write to us at support, we will help get you started.? Try it.

I think setting a prohibitive limit price on the parent order is also a reasonable way to effectively pause execution when this is preferred over re-submission. My guess about IBKR supporting changing

Thanks for your response. I work mainly with Linux but also with Windows. I have Delphi 12 on Windows and Lazarus on Linux. I have only tried connecting to TWS with Delphi, and although it does not

Thanks for your response Chucky. I work mainly with Linux but also with Windows. I have Delphi 12 on Windows and Lazarus on Linux. I have only tried connecting to TWS with Delphi, and although it does

It works perfectly well on Lazarus. Tested in both MacOS and Linux versions of Lazarus.? Even comes with a sample app built in Lazarus.? So, quit saying bad things about my work.

p.s. two relevant threads: /g/twsapi/topic/88826062#msg48954 ( /g/twsapi/topic/88826062#msg48954 ) -- how to pause

DS, From looking through relevant posts, and doing some experimenting, I can see only two ways to "pause" a limit order via the TWS API: * cancel the order, the submit it again to "resume" the

Are you trying to use Ross Hemminway's library? If so I bought a license and could not make it work for me either. But I run solely on Linux these days and tried to implement it with Lazarus so I

I am not a professional programmer. I write code for my own use, which is usually, because of my age, in pascal. That said I obviously needed to understand the wire protocol and was surprised to learn

Working fine here on TWS 10.30, including on non-RTH. Try *not* doing this — I definitely don't: optContract.multiplier = "" [image: image.png] [...] <TwsApiOnGroupsIo@...>

Worked for me just now, so your problem is not related to trading hours. I received 2,404 contracts within 10 to 12 seconds. Maybe you need to check your setup or get a "second opinion" by using a

OK, I think the issue is trying this outside of trading hours like on a Sunday - this weekday morning it seems to work as expected.? Weird as I'd have thought looking up option contracts should not