Showing 1 - 10 of 412
-style options. We introduce a skewed version of the Student-t distribution, whose main advantage is that its shape depends on only … four parameters, of which two directly control for the levels of skewness and kurtosis. We can thus easily vary parameters … to compare different distributions and use the parameters as inputs to price other options. We explain the method …
Persistent link: https://www.econbiz.de/10004969837
We derive an estimator for Black-Scholes-Merton implied volatility that, when compared to the familiar Corrado & Miller [JBaF, 1996] estimator, has substantially higher approximation accuracy and extends over a wider region of moneyness.
Persistent link: https://www.econbiz.de/10010730867
procedure. I parameterize the underlying exchange rate process as a mixture of log-normals, price the options using Monte Carlo …
Persistent link: https://www.econbiz.de/10005750168
procedure. I parameterize the underlying exchange rate process as a mixture of log-normals, price the options using Monte Carlo …
Persistent link: https://www.econbiz.de/10010334336
procedure. I parameterize the underlying exchange rate process as a mixture of log-normals, price the options using Monte Carlo …
Persistent link: https://www.econbiz.de/10011577049
We propose a simple model in which realized stock market return volatility and implied volatility backed out of option prices are subject to common level shifts corresponding to movements between bull and bear markets. The model is estimated using the Kalman filter in a generalization to the...
Persistent link: https://www.econbiz.de/10008549066
This paper provides a more accurate formula for estimating the implied volatilities for at-the-money calls than the existing formula as developed previously by Brenner and Subrahmanyam (1988). New formulas are also given for estimating the implied volatilities of in- or out-of-the-money calls....
Persistent link: https://www.econbiz.de/10005181704
applications in finance are given, including options, models for credit risk and derivatives, and correlation sensitivities. …
Persistent link: https://www.econbiz.de/10004977433
In this paper we used a refined approach to estimating the implied volatility from options price in the classic … and Miller (1996) which works well for the Index options with the present value of strike price being close to the index …
Persistent link: https://www.econbiz.de/10009359979
, fetchyahoooptions, is provided to download and parse equity options data from Yahoo! Finance webpages and, optionally, to calculate the … implied volatilities for the downloaded options. Copyright 2013 by StataCorp LP. …
Persistent link: https://www.econbiz.de/10010691925