878 search results for "Finance"

Generate stock option prices – How to simulate a Brownian motion

October 29, 2012
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Generate stock option prices  – How to simulate a Brownian motion

The Brownian motion is certainly the most famous stochastic process (a random variable evolving in the time). It has been the first way to model a stock option price (Louis Bachelier's thesis in 1900).The reason why is easy to understand, a Brownian mo...

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A Greedy ARMA/GARCH Model Selection

October 26, 2012
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An idea that I have been toying for a while, has been to study the effect of a domain-specific optimization strategy in the ARMA+GARCH models. If you recall from this long tutorial, the implemented approach cycles through all models within a the specified ranges for the parameters and chooses the best model based on the

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Momentum in R: Part 2

October 20, 2012
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Momentum in R: Part 2

Many of the sites I linked to in the previous post have articles or papers on momentum investing that investigate the typical ranking factors; 3, 6, 9, and 12 month returns. Most (not all) of the articles seek to find which is the “best” look-back period to rank the assets. Say that the outcome of … Continue reading...

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CFP: DMApps 2013 – Workshop on Data Mining Applications in Industry and Government, submission due by Jan 6, 2013

October 19, 2012
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CFP: DMApps 2013 – Workshop on Data Mining Applications in Industry and Government, submission due by Jan 6, 2013

CALL FOR PAPERS DMApps 2013: the International Workshop on Data Mining Applications in Industry & Government In conjunction with PAKDD 2013, Gold Coast, Australia, April 14-17, 2013 http://dmapps2013.rdatamining.com The 2013 International Workshop on Data Mining Applications in Industry & Government … Continue reading →

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Japanese Government Bond (JGB) Data Since 1974

October 16, 2012
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Japanese Government Bond (JGB) Data Since 1974

The Ministry of Finance Japan very generously provides data on JGBs back to 1974.  Here is a quick example how to pull it into R and then graph it. From TimelyPortfolio R code in GIST (do raw for copy/paste):

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Life on the Big International Frontier

October 16, 2012
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Life on the Big International Frontier

Although I have used the Kenneth French data library extensively in various posts, I have not yet used the international data sets paired with the wonderful paper. Eugene F. Fama and Kenneth R. French (2012) "Size, Value, and Momentum in International...

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Download Stock Price Online with R

October 11, 2012
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Download Stock Price Online with R

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Upcoming events

October 9, 2012
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Upcoming events

Featured I’ll be leading two courses in the near future: Value-at-Risk versus Expected Shortfall 2012 October 30-31, London. 30th: “Addressing the critical challenges and issues raised by the Basel proposal to replace VaR with Expected Shortfall” 31st: “Variability in Value-at-Risk and Expected Shortfall” led by Patrick Burns Details at CFP Events. Finance with R Workshop … Continue reading...

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RProtoBuf 0.2.6

October 4, 2012
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Release 0.2.6 of RProtoBuf arrived on CRAN earlier this morning. RProtoBuf provides GNU R bindings for the Google Protobuf data encoding library used and released by Google. This release was once more driven largely by Murray whom we have now add...

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Weekend Reading – Gold in October

September 28, 2012
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Weekend Reading – Gold in October

I recently came across the “An early Halloween for gold traders” article by Mark Hulbert. I have discussed this type of seasonality analysis in my presentation at R/Finance this year. It is very easy to run the seasonality analysis using the Systematic Investor Toolbox. This confirms that October have been historically bad for Gold, but

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