ISLAND refined their rule to a more sensible one. It will be 2 decimals for stocks over 2 USD for wednesday 2/23/2006.
Are you interested in figuring out what is going on? Or is your goal to throw stones. I am not making excuses or other b.s. and have no interest...
That is correct. CBOE rules assert the minimum, not the maximum. The true cost to close out the position for american option boxes can be greater...
I agree 50M is not the problem. I was just using it as an example. The problem will be when 300+ hits at a time when the liquidity is delicate....
The liquidity providers are not oblivious and are definitely not stupid. They pay close attention to their incoming order flow and look for...
Timber Hill and IB act at arm's length. The only preferential relationship is in terms of US options/US stock routing where IB can route to TH as...
While I am not in a position to doubt your numbers as I have not measured them personally, the latency figures you quote seem improbable. 40ms,...
We will notify other clients who have affected positions. As you are already notified with the explicit formula, there is no additional point to...
10:06. It is real time.
if you didnt have the $$ to meet NYSE maintenance margin, then yes, liquidations would commence at 09:40 EST on the next business day. You would...
The changes will be made as soon as possible and will be released without additional explicit notice as you are now informed. You can expect the...
An interesting fact was uncovered as a byproduct of this thread. IB's margin for box positions on american exercise options is too low. We are...
IBsoft's comment refers to the worst case. The median experience should have been under a second. In April 2005, we had fewer liquidity providers...
CAD/JPY: I'm surprised it isnt already there. will add. MXN, SEK: coming soon. A few weeks. SEK margin: it is high, but not inappropriately...
Please don't misquote me. I did not state that it is random, nor did I state anything about liquidating according to the ratio. The 50:1 ratio...
hoi correctly suggests that you can switch base currencies to lower your overall margin burden. No real currency conversion is required or occurs....
Hmmm. Don't know. I'll try to find out.
No, the checks are made prior to each liquidation cycle. The example shows why the GPV ratio is repeatedly violated when there is a change in a...
The account window shows margin, both current and look-ahead. It also shows the GPV figures, day-trades, etc. It may not be the perfect...
IB will take back improper liquidations. If a bad price or other transient gets through our filters, we will pay the bill. If there is a tick...
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