OptionsEducation.org offers free 20 minute delayed quotes which include Stocks, Options with Indexes, LEAPS, and Historical Volatility information as well as a Basic Options Calculator provided by IVolatility.com.
Delayed options quotes are provided by IVolatility, and NOT BY OCC. OCC makes no representation as to the timeliness, accuracy or validity of the information and this information should not be construed as a recommendation to purchase or sell a security, or to provide investment advice.
Our Basic Options Calculator provided by IVolatility.com, provides fair values and Greeks of any option using our volatility data and previous trading day prices. You may customize all the input parameters (option style, price of the underlying instrument, strike, expiration, implied volatility, interest rate and dividends data) or enter a stock or options symbol and the database will populate all those fields for you! Note that the option's underlying price is the previous trading day's market closing price.
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