RQuantLib 0.3.9

December 2, 2012
By

(This article was first published on Thinking inside the box , and kindly contributed to R-bloggers)

A minor feature release RQuantLib 0.3.9 is now on CRAN and in Debian. RQuantLib combines (some of) the quantitative analytics of QuantLib with the R statistical computing environment and language.

Bryan Lewis had suggested to enable another pricing engine for American Options in order to get (at least some) Greeks. This is now supported by picking engine="CrankNicolson" as shown in the default example for the AmericanOption function:

R> library(RQuantLib)
R> example(AmericanOption)

AmrcnOR> # simple call with unnamed parameters
AmrcnOR> AmericanOption("call", 100, 100, 0.02, 0.03, 0.5, 0.4)
Concise summary of valuation for AmericanOption 
  value   delta   gamma    vega   theta     rho  divRho 
11.3648      NA      NA      NA      NA      NA      NA 

AmrcnOR> # simple call with some explicit parameters
AmrcnOR> AmericanOption("put", strike=100, volatility=0.4, 100, 0.02, 0.03, 0.5)
Concise summary of valuation for AmericanOption 
  value   delta   gamma    vega   theta     rho  divRho 
10.9174      NA      NA      NA      NA      NA      NA 

AmrcnOR> # simple call with unnamed parameters, using Crank-Nicolons
AmrcnOR> AmericanOption("put", strike=100, volatility=0.4, 100, 0.02, 0.03, 0.5, engine="CrankNicolson")
Concise summary of valuation for AmericanOption 
  value   delta   gamma    vega   theta     rho  divRho 
10.9173 -0.4358  0.0140      NA      NA      NA      NA 
R> 

Thanks to CRANberries, there is also a diff to the previous release 0.3.8. Full changelog details, examples and more details about this package are at my RQuantLib page.

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