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Thank you Richard for pointing that out and huge thanks for maintaining IBC (and all your prior efforts in IBController as I learned).

Sorry for the delayed reply.. It worked out of the box for me but it uses an old version of the gateway. I tweaked it to adjust to the latest gateway version but I am currently just using a

That isn't working.? Can you elaborate?? Calling outsideRth(true) does not allow me to trade both before and after market hours.? Details above in my first message.? This apparently requires the

You have to set the parameter rth. Only works for supported markets/products

Just wanted to give this one more chance to find some expertise.? Is anyone placing orders through the API both before and after market hours?

Well, I made the formula up based upon the US portion of the fee table and the examples from the IB fees description page ( https://www.interactivebrokers.com/en/accounts/fees/cancelModifyExamples.php

On Wed, Feb 24, 2021 at 12:10 PM, JR wrote Thanks for these facts. Can you provide any IB link to the description of this *formula* ? You say, the above formula is only valid for direct routed orders,

Is this what you were looking for? *Modifying* or *cancelling* " *directed* " API orders incur fees. SMART routed orders do not. But executions get you credits so you only actually have to pay fees if

I can't remember where I found it but I'm 99% sure I read it somewhere on IB's website. And for my understanding it also makes sense. The cancelation fees purpose is to inhibit HFT like behaviour and

I am convinced - updating is better. Btw, I think updated limit orders are (like new ordes) re-queued into the official orderbook again. But yes, updating is also better for the OrderEfficiencyRatio.

Thanks for the helpful shortcut. 1- This shows number of TWS / API data subscription lines available (which is always same??) and Top Market Data Count (currently being used). 2- It does not show

Better to edit: 1.Faster (one operation instead of two) 2. you keep your orderid 3. you also keep your OrderRef, if ever you use it to track/classify your orders 4. If ever you have linked orders

Besides all limitations I'd recommend always if feasible to update an existing order. This is MUCH faster than canceling and resubmitting. For cancelation fees, isn't it true that only direct routed

Yes, but I think this only a *recommendation* and NOT a regulation (which, if not satisfied, can punish you in any way). Does anyone has encountered problems when not fullfilling the "order efficiency

Hey, did you even bother to click through to order efficiency policy guidelines from the api web page you linked? "Modification vs. Cancellation - logic which acts to cancel and subsequently replace

I don't understant this. I cannot find any such restriction in https://interactivebrokers.github.io/tws-api/order_limitations.html. So where do you have this information?

According to https://interactivebrokers.github.io/tws-api/order_limitations.html there are no hints of any such limitations or any additional information regarding the differences of

Ctrl Alt = ср, 24 февр. 2021 г., 00:45 Bruce B <bruceb444@...>:

You can unconditionally reuse order id when updating it. Also I believe updating the order may not count under IBKR reasonable order cancellation policy, whereas canceling it will, but I'm not

I can't answer your question fully but here are two things to consider or add to your question. 1- There are costs (not to TWS but yes to API) and there is a threshold you have to watch with frequent