A quanto option is an option where there are two currencies involved. The payoff is defined in terms of the values of variables measured in the first currency and the payoff is made in the second currency.
Assuming no arbitrage possibilities, to calculate the fair market value of quanto options, one needs:
In this calculator, we price both fixed and joint call/put options on a foreign
stock index. The interest rates are assumed to be semiannually compounded.
Pressing the Default Data Button and changing the Quanto Type element calculates the values.
Pricing Models Page Available is a Swing Java Jar File if you just wish to run the models.