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2013 Apr 13
0
help on smoothing volatility surface..
...ited quantities of points on the front month expirations.. can anyone tell me whats going on here , what i can do to fix this.. do i need to smooth each expiration's line then interpolate.... ?? library(RQuantLib) library(quantmod) library(rgl) library(akima) library(ggplot2) library(plyr) GetIV <- function(type, value, underlying, strike,dividendYield, riskFreeRate, maturity, volatility, timeSteps=150, gridPoints=151) { AmericanOptionImpliedVolatility(type, value, underlying, strike,dividendYield, riskFreeRate...