Recent content by SL65

I believe you're right. We should keep in mind that the GUI can also be controlled by a trojan so we shouldn't focus just on the API.

I'm an API user and good with technology so I can hope to implement your countermeasures correctly and can justify dedicated hardware. But don't your countermeasures raise the bar a bit too high for the rest of IB's customer base, most of whom aren't as sophisticated as EliteTrader members...

It has been longstanding mantra in the IT security field to have multiple layers of security. I used the term layer in my original post to indicate that it is useful in *addition* to the STP device. For example, it's already been pointed out that after you login in the morning with the STP...

Another layer of security can be provided by making it nearly impossible for a criminal to profitably trade my account. If I could opt-in to certain trading rules I could prohibit pump&dump from my account while allowing my normal trading to continue unaffected. For example: 1. No orders...

That would be great but I looked through the API docs again and don't see how to exclude exchanges. Where do I specify what to exclude? Thanks.

No - even when you choose to add liquidity, Smart routing may remove liquidity for all or part of your order and you will pay .005 more than you intended for those shares. In other words: you place an order to buy at the bid, therefore it's non-marketable and is placed on the INET book (the...

In practice you can't count on this. Let's say the stock is 15.20x15.21 and you place an order to buy at 15.20 intending to add liquidity. The Auto router will usually route your shares to INET where they'll sit on the book. If, at this point, the ask drops to 15.20 on ARCA, the auto router will...