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C# is a great language but would marry you to Microsoft's OS's. There are both good and bad aspects to this. Java would give you more platform flexibility; although Java itself has become something of a "platform" (not necessarily good, IMO), at least it can run on almost any OS. Also, keep...

I've gotten a lot of great information off of posts on EliteTrader! Revealing information in trading is something of a balancing act. There's lots of helpful info here; however, to expect others to tell you exactly how to trade might be tantamount to expecting someone to post their SSN and...

In my opinion, Java's an excellent choice for a trader who's relatively new to programming.

API's are very language-specific, in general, but for some systems (e.g., Microsoft .Net), multiple languages can work with the same API, and it's also possible to invoke function calls from one API to another under certain circumstances that you'll need to research specifically to your own...

These are two sites by CPA's that have pretty good info, I think, although I've never been a client of either of them: http://www.traderstatus.com http://www.greencompany.com I doubt you'll be able to run your health insurance through a pure pass-through entity without having the...

One explanation might be that one is listing daily volatility, and one is listing yearly volatility. The formula to convert between the two is: YearlyVolatility = DailyVolatility * sqrt(252) where 252 is an approximation of the number of trading days per year. This "seems" to fit the...

Aren't those NASDAQ test symbols (part of their "NTF")? Not sure what it would actually do if you hit those.... maybe the trades just vanish (???)... I wouldn't hit them unless you know for sure, though. Unrelated to that, my observation is that the "simulated" or "test" accounts for...

I agree that there's a been a lot of great advice given in this thread. An earlier comment inspired me to add a bit to this: uncorrelated strategies/investments are a great thing to have, and by all means should be utilized as much as they're feasible/available, but I'd be inclined to add in...

What I would do is check your broker's spreads against what's offered in comparable futures contracts on the CME/IMM. My bias is always towards open crossing markets. At least with such markets, the prices offered are guaranteed to be real (well, at least close to guaranteed, I think)...

Thanks for your further suggestions! DTN NxCore and QuantHouse are both products that I've added to my list of strong candidates. I also came across this thread, which I found very relevant to the topic: http://www.elitetrader.com/vb/showthread.php?threadid=131368

Doesn't IB's own TWS allow for this? You would have to learn Java, which would be useful anyway if you want to do a lot of trade automation. IB doesn't like people doing a lot of cancel/replaces, and some people on this site claim to have been "disciplined" in one way or another by IB for...

Thanks a lot for the tip, UDon'tKnowMe; I'll definitely explore Spryware more closely. I know that some others on this board have had Activ, but I don't think I've heard of anyone using either Interactive Data or Reuters. Have any individuals used either of these? And can anyone report...

I am seeking consolidated feeds for various North American categories (US equities, options, all futures). I'd like to suck down all the data from these feeds, all the time, rather than subsets of one or more symbols. Does anyone here have experience with this, and if so, can they let us know...

... and finance.google.com has it, too, under "historical prices". But is that what you're after? If so, I would find it surprising that you didn't come across these yourself... Have fun.

finance.yahoo.com has this; look under "historical prices".

I've seen a number of friends only having a vaguely relevant background get project management jobs in software. It may take a bit of time and/or contract work to get into it, but it's very feasible, given the right personality, etc. It helps to be in an area where a lot of such jobs exist...

I think RealTick offers what you want, but for $260 -- that's for $200 RealTick Pro, which you'd need if you want the API, plus $60 for the OpenBook fee. http://www.realtick.net/v2_getpage.asp?subnav=true&page=subs_proo_feat

Are you talking about getting OpenBook on a single stock at one time, or the entire OpenBook feed for every stock at once, or something in between (e.g. a limit of 200 symbols)? $5k/month wouldn't be bad for the entire feed (but how would you receive it without a high-bandwidth fibre service...

I agree; market data provision is an area that's now somewhat fragmented and where Google, with its technical expertise and infrastructure, could provide and end-to-end solution for a wide range of market data customers, particularly by providing more open-ish API's than are typically on offer...

I agree that trying trading is a great idea for many people -- otherwise, would any of us be here? -- but to say that the OP should try "to the end", as in your prior post, is bad advice, in my opinion. Now, if he wants to try searching for profitable strategies part-time while working, I see...