About this app
Option - is a new calculator for european and american options. The app has been specifically developed to efficiently price the options. It allows quick and easy calculation of the premium and risk parameters for various types of call and put options. Features: - valuation of european and american options - calculation of risk parameters: delta, vega, theta, gamma, etc - includes the implied volatility calculation mode - builds a stress-table and stress-graph for the option - sending of detailed calculation and results table to your email or printer - on-the-fly saving of calculation results. Favorites support
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 8, 2026 · 11:22 AM $1.99