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several times: I have found tech support (the ones you call) to be near-useless, and filing bug reports near-useless. However, the live chat with the API team works very well and I've gotten several things fixed and/or considered. I haven't done it in at least a year, though. I have found...

un-encrypted "open" WiFi is easily hackable. There are extensions to e.g. Firefox that will let someone else collect your logins, cookies and other session data. It's simply folly to use Public WiFi, imo.

I could have been clearer. I don't know anything about how efficient MQL4 is. The statement was about C++, C#, Java or anything that essentially runs native after loading. On a practical note - you want to keep the number of threads down. Don't ever do 1000 threads, at least if you're...

With a little care your goal is easily doable. I typical modern Intel CPU at 3 GHz process a math instruction in a few clock cycles (let's say 3 on average). So you have about 1billion instructions per second to play with. While things like SQRT and sin(x) take longer it's not computational...

How about one of the places where people are happiest? http://www.forbes.com/2010/07/14/world-happiest-countries-lifestyle-realestate-gallup-table.html That puts Denmark at the top. It only rains 6 months of the year, the "summer" generally falls on a Wednesday, and they pay 60%+ in taxes...

It would be really nice with a good charting app for the iPAD. I've found the Bloomberg app good, too. BTW: it's going to be interesting to see if Apple will start asking for 1/3 of the commissions on iPAD trading apps, based on Apple's new policy on in-app purchases :)

I would expect a strategy that works on e.g. SPY to also work on QQQQ and likely GE another other broad companies. I would not be surprised if it worked poorly on bonds, currencies or a company with a fundamental driver such as the price of oil. Automobile companies have had unique problems...

In many cases you can. W7 has a large number of built-in drivers so it's fairly likely your "new" system will have components recognized by the drivers on your existing HD. You'll likely have to reboot a few times before it has it all figured out. One of the few things that doesn't carry over...

The biggest benefits with SPY over ES are the smaller tick size (and thus less slip) and that you may be able to get rebates on SPY. The downside to SPY over ES is higher margin requirements.

A question for clarification: If I decided to cancel an open OPG order, do I get an immediate cancel confirmation (no matter if the stock has opened or not) ? I think the answer is 'yes' from experience, but I'd like to know for sure.

One crazy thought: If one of the cards is on PCI, it will be *extremely* slow. (I've tried it!). PCI simply cannot handle modern graphics load, especially if working alongside a PCIExpress card. I've seen 10x performance loss with PCI graphics on Windows 7 including disk IO, graphics...

Bank of America has neat little feature where they will text you a one-time key to your cell phone. That's a great solution, as it's a totally different channel, and I always have my cell phone with me. That being said, I've used the tokens I have for years, and they work well and are easy to...

it's very much the case. If you are 40+ you better make sure you're in stable position, preferably with management responsibility. Very hard to get hired in the bay area over 40 unless you happen to be well connected.

and while you're at it, make sure you get second best broker, second best data feed, and pay second best commissions. Sounds like a winner to me :)

that's fantastic. I'll definitely try that.

This is getting stranger by the minute: why would you (ie Bright) ever "be asked" to share someone elses code? Wouldn't the trader/developer choose with whom to share his stuff without your involvement? This whole issue/mess is one of the best reasons to stay retail, if I've ever seen one.

There's always a bias when you build continuous contracts. The only good answer is to trade the real contracts and take roll into account just like you need to do in "real life". Otherwise, you'll be simulating with prices that never existed and thus never were tradeable. That's only good...

As a practical matter, prior to the acquisition, I would have chosen QNX as the best real-time kernel available for little money. These days, a custom Linux kernel is the best an average person can do (imo).

These days ASICs are finding their way into HFT. I know of at least a few where the trading algo runs along the TCP stack in custom silicon. Hard to compete with that with Linux or Windows.

I saw something like that once, except the scenario was different. They didn't ask for anything up front, but had language that anything I developed while trading with them would become their property. Ultimately something else got in the way, and I never got around to work this particular...