Luca Bolognese's WebLog

This blog will be frozen on 2/19/2010. New one started at http://lucabolognese.wordpress.com/

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  • Blog Post: Luca Bolognese leaves Microsoft

    This is my last post on this blog. My new blog is here: http://lucabolognese.wordpress.com/ I accepted a role as Director for Credit Suisse in London. I’m excited by the opportunity to work in the financial industry, a long-standing desire of mine. I’m also excited to write more F# code and to be closer...
  • Blog Post: Financial Functions for .NET released !

    Today I released the following library on CodeGallery. It is the result of three months of coding during my paternity leave in Italy. You can get it from here . What is it? This is a .NET library that provides the full set of financial functions from Excel. The main goal for the library is compatibility...
  • Blog Post: Downloading stock prices in F# - Part VI - Code posted

    Other parts: Part I - Data modeling Part II - Html scraping Part III - Async loader for prices and divs Part IV - Async loader for splits Part V - Adjusting historical data An unnamed friend told me that I should stop posting small snippets of code and instead post entire solutions...
  • Blog Post: Downloading stock prices in F# - Part IV - Async loader for splits

    Other parts: Part I - Data modeling Part II - Html scraping Part III - Async loader for prices and divs Part V - Adjusting historical data Part VI - Code posted Downloading splits is a messy affair. The problem is that Yahoo doesn't give you a nice comma-delimitated stream to work...
  • Blog Post: Book review: The Halo Effect

    When I read " Built to Last ", " In search of excellent " and " Good to great " I immediately thought: "What a bunch of BS!!". But again, I think that about most business books. The content of these books seemed particularly ludicrous to me. I found both logical inconsistencies and methodological flaws...
  • Blog Post: Bisection-based XIRR implementation in C#

    Here is a quick implementation of XIRR (using Excel nomenclature) written in C#. Disclaimer : this is a super simple Bisection-based implementation. People tend to prefer the Newton method, but this is simpler and works for the app I'm writing. I decided to post it because I couldn't find one on the...
  • Blog Post: Parsing QIF Quicken files in C#

    I'm slightly prouder of the structure of this code than the one in the previous blog post . You can simply inherit from QIFParserBase and override a couple of abstract methods to customize the behavior. Still, I just tested it on a couple of test QIF files. It is not production quality at all. Notice...
  • Blog Post: Retrieve prices, dividends and splits for a stock in C#

    I wrote this code very quickly and I'm kind of ashamed of it, but it gets the job done (I think). You need the HTML Agility Pack for the stock splits retrieving code. You can download it from here or you can simply comment out the code. I wrote it against Visual Studio 2008 beta 2 , but it should be...
  • Blog Post: A financial education (my ideas)

    When I came to US, I wanted to get an introduction on personal finance. I needed to know what to insure, when, how to buy an house and all this sort of basic things. At the time I read Personal Finance for Dummies . I then discovered that very many US folks don’t know about these things either and I...
  • Blog Post: A good Emerging Market fund

    If you are looking for a good fund for this corner of your portfolio, you might want to consider Eaton Vance Structured Emerging Mkt (EAEMX). There is also a much cheaper version (EITEX), but it is open just to folks with a financial advisor. It is a mechanical fund. Here is how their strategy works...
  • Blog Post: A trading/portfolio management Excel Add-in based on the books by Ralph Vince

    I like to write code and I still manage to do it even now that it is not my primary job. I never post the things that I write because I don't want to maintain them. Lately Charlie convinced me that I don't have to do that. I can just throw the code out, without much preparation or implicit contract of...
  • Blog Post: To rent or to buy a house, some more evidence of my unpopular thesis ...

    I discussed this topic in a previous post http://blogs.msdn.com/lucabol/archive/2004/07/30/202394.aspx and I received a number of emails telling me how crazy I was even speculating that, at the current juncture, it may be more convinient to rent than to buy a house. This week The Economist runs a piece...
  • Blog Post: "Rent or buy" spreadsheet

    Someone asked me for the spreadsheet I used for the calculations in my previous posts. Here you have it. The data doesn't reflect my current situation. Feel free to use it with your own numbers (and tell me of any bug).
  • Blog Post: I'm buying a house...

    I think I've been misinterpreted in my previous posts. I'm not suggesting that renting is better than owning. You have to run your numbers and make your own choice. There are many assumptions to consider (financial and not). The not financial ones often are more important. You have to run your numbers...
  • Blog Post: To rent or to buy a house??

    Spurred by some comments to a previous post I quickly run these numbers. They analyze the case of house price not rising in the next five years. I’ll take more time to check them if I really get to a point of deciding, but they should be correct. This data (fairly typical in my area): ...
  • Blog Post: My quest for a new home...

    I’m refining my understanding of how to value residential properties. There is this rule of thumb: buy when you can get a rent for the property which is at least 1.2% of the property price (or in another form, when the home price is 7x the annual rent). This is an approx for a more formal spreadsheet...
  • Blog Post: Book: "The coming crash in the housing market", John R. Talbott

    My wife and I are planning to move somewhere where you can walk to shops and restaurants. We were thinking about selling or renting our current suburbia home. So, as usual, I picked up a bunch of books from the local library. This is one of them. Amazon reviews are here . My opinion on the book...
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