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Sorry for not being able to give more than one hyperlink, please do some web search for the project pages. Portfolio optimization could be done in python using the cvxopt package which covers convex optimization. This includes quadratic programming as a special case for the risk-return optimization. In this sense, the following example could be of some ...


I don't know why it was removed, but the R package "orderbook" was available: http://journal.r-project.org/archive/2011-1/RJournal_2011-1_Kane~et~al.pdf http://cran.r-project.org/web/packages/orderbook/index.html In the IBrokers package, the function "reqMktDepth" is used for streaming order book data. ...


Aside from Zipline, there are a number of algorithmic trading libraries in various stages of development for Python. From the commercial side, RapidQuant looks very interesting though I haven't tried it yet. It's from some of same developers that brought us the excellent Pandas data analysis library. I think Wes McKinney (Pandas's main author) is ...


So one such visualization package is demonstrated in http://www.tradeworx.com/movie/booklet_demo/temp/booklet_demo2.mov. AFAICT it looks like a tk script. Trading Technologies (TT) sells another visualization tool. But TBH writing your own tool takes a few hours and allows you to focus on what information you are interested in finding.


You said:"I understand that the generated ticks will be generated using interpolation (so they won't be exacts)". You are very optimistic, they will not only be far away from being exact, they (the tick data) will be completely removed from reality, the only parameters known for the tick data will be boundary conditions, such as open high low close. You ...


I came across B/View which is a Java application that visualizes the order book for a single stock on a single day. It encompasses some of the basic features I would expect in such a tool. It appears to be more a demonstration than a general purpose tool.


I reproduced Ledoit and Wolf's experiment outlined in their paper "Honey I Shrunk the Covariance Matrix" in Python which includes an implementation of their method to shrink the covariance matrix (can be found here see the get_shrunk_covariance_matrix() method on line 417). All the code for the entire thing is on Github here. I make use of the cvxopt module ...


I know this is an old question, but Wes McKinney, the developer of pandas (mentioned in another answer) is releasing a new Python package called RapidQuant that I think might meet the OP's stated needs. It appears to include both non-standard risk definitions and portfolio optimization. However, it is not open source. While the OP didn't specifically mention ...


You can have a look at : TradingWithPython library (TWP Library) http://www.tradingwithpython.com/. Like Quantopian / Zipline it uses Python Pandas library. It includes an Interactive Brokers module to trade realtime.


You might look into pandas. It is a library with various statistical and financial data manipulation and analysis functions. The developer gave a presentation at the pygotham conference in 2011, and one in 2010 specifically on using pandas with quantitative finance.

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