A mental mathematics tool for understanding and mastering put-call parity.A fun and simple mathematics learning tool for understanding and mastering put-call parity. Provides a minimalistic, interactive interface for testing one type of mental math useful in the financial world.
In financial mathematics, put-call parity defines a principle referring to the static price relationship, given a stock's price, between the prices of European put and call options of the same class (i.e. same underlying, strike price and expiration date).