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Quandl quote data feed is a but shit, TBH

I found quite a few with different quality of data, tough job

Quite a few of us have been affected by the Yahoo shutdown of their free market data service. Here is a possible explanation of why, Exchanges are abusing their market dominance. Discontent grows over exchanges' data fees...

Interesting feedback, thanks

ok you mean ETF sponsors, and sub-advisors to ETF strategies yes, they all seem to overlap, you can add SSGA to this list Beta ETFs are plently but it's how you put them together that is really interesting, not the instrument alone by itself

programming language should be the least of your worry, pretty much all modern language will do the job you need to focus on the entire system design, which is far more complex to accomplish

I was going to say the same thing, is there an echo somewhere here ? some people always seem to come too late to the game

Traders don't have the monopoly on ETFs, plenty of individual investors buy ETFs for their personal savings Buying at the Bid ? the point of ETFs is not to play the spread, but being exposed to the long term performance of certain asset class or investment style. Buying at the bid should be the...

beta providers ? what does that mean ?

a Python script could load the txt file and run the trade directly with IB MQ See my scripting tutorial for connecting and trading with IB in a pure programming environment

Has anyone tried the investment solutions offered by Robo-Advisors ? I tried the following with a demo account: 1. WealthFront.com 2. Betterment.com 3. WealthVenue.com 4. FutureAdvisor.com They all seem interesting even though they tend to propose the same kind of ETFs. Anyone with actual...

in markets, price movements are not independent, they are serial, and so are returns of financial instruments

sounds like you are a low level web monkey, with little value added deployment to AWS ? jesus christ, seriously ? small player I am thinking

^ is that really necessary or even useful ?

anyway post the API class with their parameters and data struct so we can see what they are like

really ? then they aren't much Matlab users but more like Matlab beginners

there doesn't seem to be much thought put into a real strategy, collecting market data is easy, structuring in a meaningful way so it can be used for a strategy, that's another question. It has more to do with Analytics than simply storage of data and optimization of running data.

so what does the API do exactly that any good python devs couldn't do ? is it targeted to "users" or "traders" instead of "programmers" ? show a list of your API class with a quick description without the actual code in it to see what you are selling really.

why do we keep seeing all those frameworks when any good Python programmers could make one of its own with more flexibility and more accountability. seems like a lot of bored developers are putting good effort into something that few needs really

not sure what you are selling exactly ? an API or a strategy ?