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Analyze stock and option data.
This app allows you to download and plot stock and option data. A Black-Scholes analysis tool permits the analysis of option values with respect to time-to-expiration, strike values and volatility. Comparison with historical data gives great insight in the understanding of options.
You can analyze multiple options strategies with call, put and spread strategies.
Downloading data for AAPL and GOOG is free (restricted to 5 concurrent plots) and several in-app purchase options are available to access data for other stocks. Data for NYSE and NASDAQ are updated after close of the market, typically within three hours of end-of-day trading.