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The computers in the movie Jurassic Park were SGI. SGI had their own OS called IRIX and they were even had their own CPUs. When it comes to HPC computing, the latency, bandwidth, and routing between compute (CPU) nodes in super computers that involved thousands (or tens of thousands) of compute...

8 of the top 100 publicly known super computers are made by SGI (and 22 of the top 500). I'm honestly surprised this company is still around considering they abandoned their proprietary CPUs and OS. Don't get me wrong, I would have liked to see their architectures continue. I've not paid...

Sounds good if you're trading at least 170 contracts/mo. I don't have any exp with them, so this is not an endorsement. If trading < 170 contracts and you have at least $10k, AMP actually has better pricing.

CBOE is not rebroadcasting the SIP as far as I understand. I'm not looking to implement a low latency strategy, but I do need a lot of data for research purposes. Since Nanex wasn't returning my emails, I decided to just call them. Wish I'd have done that before. I thought they'd waste a bunch...

Yes, in the US the funds would be considered "unsettled" and unavailable to withdraw. So if you bought on Monday and sold on Tuesday, your funds would be listed in your account immediately, but as unsettled. You wouldn't be able to withdraw any portion of the unsettled funds until Friday when...

You would have to deposit funds by close of business Wed. Your broker of course may put additional limitations in place.

They'll likely only take out a limit order that crosses their model price. If it's a market order, they will only improve the price at whatever minimum price improvement they can get away with. Why would they bother handing you free money if you put in a market order?

What you just said is consistent with what I described. They are concerned with settlement dates. So yeah, you have 3 days. I'll use an example to make it more clear: If your purchase on Monday and sell on the same Monday, then both the purchase and sell will settle on Thursday in which case...

I'm not 100% sure this is correct, but I'm providing you with what would seem logical to me. I don't know what you mean by "debit trades", but US equities settle 3 days after the trade. I suspect your bank wants the deposit on or before settlement date of the opening position. If you close the...

I think some replies have touched on this. Strictly speaking if there are no buyer's and no sellers, there is no market. Strictly speaking if the price is low enough you will find a buyer and if the price is high enough you will find a seller. What will actually happen when liquidity drives up...

Do you happen to know the price for NxCore full OPRA feed? I want the full OPRA feed, but can't seem to find a price from anyone except Barchart, which is $3k/mo. NxCore hasn't replied to me even though I contacted them a couple times. A few other places had pretty bad reviews, so I didn't...

Why buy a Xeon 1xxx series if you didn't want ECC? The price premium isn't much, but companies running proper servers buy ECC RAM and it's not because they happen to like the looks. Some think it's required for large amounts of RAM, but that's what buffered RAM is for. A bit flip can cause a...

Are you sure I can get the data directly from OPRA? Maybe I asked the question wrong, but I was directed to one of the listed OPRA data vendors unless I wanted to become a vendor myself (which is not what I'm looking to do). I had contacted many on the list trying to get information on their...

I've been looking for a long time to find a provider of the complete OPRA feed. Here's the summary of what I've found: IQFeed up to 500 symbols @ $125/mo + exchange fees (OPRA is only $6/mo). Can have symbol limit increased at a cost of $50/mo for 500 symbols up to 1800 symbols (I know the math...

The real reason Britain wants to leave the EU.

I understand what you're saying, you buy the underlying if the price gets close to the strike price, which will eliminate the possibility of a "blow up", remove assignment risk, and eliminate a margin call -- provided you have enough in your account to actually buy the underlying. There's 2 key...

I'm not going to pretend to be an expert, I just happen to know someone who was a developer for a few years in a true HFT firm and have talked about it. As far as the lightweight linux build, I can think of a number of key things that are almost certainly changed from a standard linux system to...

I'm proficient with both hardware design and software. To do true HFT requires paying for NJ<->Chi microwave network access. The people on these forums that think their 10ms time frames are HFT are kidding themselves. Unfortunately I don't have enough $ saved to be able to afford the monthly...

The issue I see with someone who actually has the technical abilities to handle the job is that with the flood of applications these companies get, how does one even get noticed? I mean I have the advantage of being long time friends with someone who is relatively well known in the industry and...

CTO for a small (~35 FTEs) low tech company. Pretty boring job, desperately want to challenge myself and am looking to change industry.