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Hey thanks for your reply. Do you know of other brokers with short inventories comparable to that of IB?

Hey thanks for your reply. Tbh I am not sure what the Reg T margin for shorting is. Do you know? No. But I think so. I tried Alpaca in paper trading mode. It seems to leverage these stocks fine. Yes, I'm sure it's 500%. I do not know what it is based off. I just assumed it's volatility. Prices...

IB requires increased initial and maintenance margins for some high volatility stocks, i.e. 100% initial and maintenance margins are required in lieu of the usual 50% and 25%, as per Reg T. In fact, I have seen a 500% short maintenance margin requirement for one particular stock. I think I...

Just a quick update on this. I can find the failed orders in the activity window in TWS as per @HobbyTrading instruction. However, mousing over the exclamation sign near them does not bring up the error message on my PC (could this be due to a recent TWS update?) In any case, at this point, I...

Yep. Found it. I think it got wiped after the last restart (maybe because it's paper trading). But now I know where to look for it. Thanks again!

Understood. Thanks!

That's really cool. Can you please instruct me where to find it in TWS? I use mosaic mostly. Also, how do you monitor real-time performance with Gateway? Or you don't?

Any reason you prefer it over ib_insync? I generally find ib_insync easy to use but I have not tried much else.

Great suggestion. Unfortunately, my TWS already restarted after last session, but now I will be on lookout for it.

Thank you. Are you using python / ib_insync by any chance?

Hi everyone. I just noticed that some of my MOC orders (placed via API in paper trading mode) did not execute and got canceled. I dug through the logs and found messages of the following form for these orders: [{'time': '2020-06-02T15:16:01.733084+00:00', 'status': 'PendingSubmit'...

Thank you. That is good to know.

Thank you. We discussed above that the "slippage" I am seeing is an artifact of paper trading.

Thanks! Maybe I can experiment with a "patient" algo that places limit orders around closing time, sacrificing some fill certainty. I am especially curious about trying to trade for a few minutes past closing. If you try MOC in paper trading, please let me know if you also observe it deviating...

Thanks! This pretty much settles it. MOC deviating from the close is an artifact of paper trading.

Thank you for the links. Checked whether commissions are included in my fill prices (looks like they are not). If I subtract the commissions from the fill prices, the deviations from the daily close become more symmetrical, but they are still there. I also looked into the IB API documentation...

Thanks! I am comparing the fill prices I get from IB (paper trading) with the close prices I get from one of the quandl databases. I am using SMART routing to direct orders (again these are paper traded). Also, this might be a silly question, but how can the MOC fill price be guaranteed to...

Greetings. I am trading daily and trying to get a fill at the closing price. I noticed that the MOC order gets about 0.3% of slippage on average (sometimes a lot more). Here I define slippage as the difference between my fill price and the "official" EOD close for that ticker. Is there another...

Hi. Does someone know where I can look up Credit Balance (as in Credit Balance - Short Market Value = Short Equity)? I can't find it stated explicitly anywhere in TWS, or via the API. But I am guessing I can compute the Credit Balance from other accounts somehow. Any advice would be greatly...

Thank you, guys. Both are great pointers and suggestions that have helped me. This is one of those things that seems obvious in retrospect but really it is so much easier when someone can point it out to you.