A free app for Android, by ACube Financial Technologies.

The Option Greeks Calculator is a powerful tool that allows you to calculate and visualize all the important parameters of an option, such as its price, value, delta, gamma, theta, rho, and vol. In addition, it provides a historical view of these parameters for the last year, month, or even week. This makes it possible to compare the performance of your investment with that of the market or with your own performance in the past.

You can also use this tool to calculate the value of your option and to determine whether it is worth buying it. To do so, just enter the price and the number of days until expiration.