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OCC symbols

For example, symbol AAPL 171103C00155000 is translated to a call on AAPL expiring on November 3rd 2017, with its strike price of $155.00

Option symbols are coded according to the OCC standard. The OCC option symbol consists of 4 parts:

  • Root symbol of the underlying stock or ETF, padded with spaces to 6 characters
  • Expiration date, 6 digits in the format yymmdd
  • Option type, either P or C, for put or call
  • Strike price, as the price x 1000, front padded with 0s to 8 digits