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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

Can someone share experience about what is prefered when *editing an existing order* ? Should I "cancel it and create a new one" or should I only "edit it" (for example the quantity or price)? What is

Hi, I have searched but couldn't find on the mailing list and not sure where I read it but there is a shortcut (maybe hotkey) one can use to show the number of rows subscribed to watchlist or market

Most other company tickers are working, including GOOGL. I'm going to take a guess that GOOG isn't available because it's owned by Alphabet and is not the parent company. Just a guess...

Thanks for sharing your experience, Pratik. I just tried AMZN and I was also able to receive data. Considering GOOG fundamentals are available in the app, not sure why they aren't available in the

Probably you're defining an incorrect underlying contract on an option contract. You can see examples of working with that method in Testbed example. To try without market data select delayed data

All, I can't seem to get my script to pull down the price of an option contract. I have this overload in my class: ''' def tickOptionComputation(self, orderId, tickType, tickAttrib: int, impliedVol:

Correct. It enables you to run TWS and Gateway with automatic login. It has nothing whatever to do with the TWS API. IBKR's introduction of the auto-relogin mechanism with TWS 974 reduces the value of