Option Base - risk calculator

This is the free version of the interactive financial options graphic calculator, which has certain limitations compared to the premium version. * Calculate value and greeks for European and American options * Build real-time graphs * Build secondary graphs, like value(volatility) or theta(time) Option Base is the most sophisticated graphing calculator for European and American options. Option Base can build value and risk graphs in real-time and run various simulations. Do you know how option delta reacts to changes in volatility or how vega changes with time? You can get easy to understand answers in graphs and numbers with Option Base.