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Although I hate to even try, I'll play Devil's Advocate here. GS's options trades were cancelled because they were done at "clearly erroneous" prices (is that true? I don't know but don't see how they could have been cancelled otherwise). Knight's disaster did not actually push most of their...

I wish they'd stop interviewing this guy. I'll bet he loves giving these interviews. Let him rot with zero attention. He's not special. He's just a con man, a liar.

I think about this "internet effect" a lot because you see it on almost every forum. I think the fact that internet forums are anonymous and one has complete control of not just what they are posting but the facts behind their "expertise" leads to this to be a sort of fantasy reality. Lots of...

Just from the breaking news viewpoint rather than chatter, the one twitter account I've seen really move stocks (for now) is @CitronResearch. I'm not saying I think their opinions are great, just that their tweets move the stocks. Other than that, I have not found many instances where news...

I don't have the financial toolpack so I can't experiment with this but looking at the MATLAB help stuff, I think you should put the date vector in your initial call to highlow: highlow(High, Low, Close, Open, Color, Dates, Dateform)

XLF is based off S&P's Financial Index and FAS is Russel 1000 Financial, no?

I don't mean this to be a condescending or snide internet comment, we all have our strengths and weaknesses, but you used Excel for a job "24/7" and didn't get good at it? I think there was something in your way and it was not the lack of the correct text book. It's your attitude. Step 1 of...

The previous updates past 10.6 have been unusable in my opinion. Does this new one perform better? I don't really care too much about the "look" I'm sure I'll get used to whatever it is, but is this newest one close to 10.6 in speed?

As you say, using sed and awk in this manner is obvious. If that is the skill you are selling, you will not be paid "oodles" for it from "zionist money-mongers".

I see MUSA and ICGE were bought this morning by RS and GOOG respectively. I can't find any stats on this but what are your opinions on this observation: There are many more M&A announcements during earnigns seasons. Do you agree with that? If that's true, is there a reason?

Please tell me if I'm wrong I'd like to know, but my understanding is: You can't ask a dark pool what their best bid and offer are. That's what makes them dark. The only information you can get is from executions (although it seems to me not all of them report executions immediately, not sure...

That's not a very "dark" dark pool if you can just ask them what the best bid and offer are.

Is there anything new in this one? I'm curious about it but refuse to pump any more money at that guy after starting to read "Lecturing Birds on Flying" (for which he wrote the forward). That is undoubtedly the worst book ever.

Was going to post the same thing. From the way he wrote the original post it sounds like FE is what he wants. It also sounds to me like his undergraduate work is already 50% or more of the typical FE syllabus. If an FE job is what he wants I'd suggest he at least try to skip the grad school...

This is the only pertinent Stack Exchange one I've found: http://quant.stackexchange.com/ It's more quantitative finance or financial engineering, but maybe that's because other types of "trading" questions lead to opinion answers and typical internet BS.

Keep in mind that evolution does not really pick "superior" species. It picks the species better adapted for the CURRENT environment. We tend to think of evolution as a progression toward an ultimate species (i.e. us) but that is us just being really conceited. The only progression of evolution...

Agree. He needs to call his broker and ask what is happening here. It's either a routing issue or he sent an "All or Nothing" order. There is an explanation but instead of trying to find it and solving the issue, we just went straight to the HFT boogeyman.

http://tabbforum.com/liquidity-matrix?chart=dark-pools

Actually to paraphrase his comment you'd have to say, "No hedge funds that go bust aren't doing insider trading that runs out."

Well I guess I don't understand the question. You've taken the feed and tried to build the book and executions and have found some executions that don't make sense/seem to violate rules. I think that indicates there are mistakes in your reading of the ITCH messages.