webcab.lib.finance.options.exotic
Class SimplePayoff

java.lang.Object
  |
  +--webcab.lib.finance.options.exotic.SimplePayoff

All Implemented Interfaces:

PayoffFunction, Serializable

public class SimplePayoff

extends Object

implements PayoffFunction

This class gives an implementation of PayoffFunction for the simple case of "vanilla" call and put options.

See Also:

Serialized Form

Constructor Summary

SimplePayoff(int call_put, int long_short, double strike_price)
Creates new SimplePayoff function.

Method Summary

double

getValueAt(double t, double[] x, double[] path_dependent_values, int n) Computes the value of the payoff function.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SimplePayoff

public SimplePayoff(int call_put,
                    int long_short,
                    double strike_price)
             throws Exception

Creates new SimplePayoff function.

Parameters:

call_put - Set this parameter to ExoticOptionsConstants.CALL or ExoticOptionsConstants.PUT

long_short - Set this parameter to ExoticOptionsConstants.LONG or ExoticOptionsConstants.SHORT (LONG - means that you buy the option; SHORT means that you are the writer of the option).

strike_price - The strike (exercise) price of the option.

Method Detail

getValueAt

public double getValueAt(double t,
                         double[] x,
                         double[] path_dependent_values,
                         int n)

Description copied from interface: PayoffFunction

Computes the value of the payoff function. If you don't need one or more parameters which are supplied, you can simply ignore them.

Specified by:

getValueAt in interface PayoffFunction

Parameters:

t - The time, used only for Bermudan options.

x - A vector containing n asset prices.

path_dependent_values - a vector containing the path dependent values. associated with the asset prices. Used only for strongly path dependent options.

n - the total number of assets.

Returns:

The value of the payoff function.