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»Forums Index »NEW IQFEED FORUMS »Data Questions »Option naming convention
Author Topic: Option naming convention (2 messages, Page 1 of 1)

jaesle
-Interested User-
Posts: 6
Joined: Jul 26, 2023


Posted: Aug 21, 2023 12:46 PM          Msg. 1 of 2
Can someone explain the option data naming convention. I see that there's data for

AAPL2325H175

and I am guessing that this corresponds to:

AAPL 23 (year) 25 (day of the month) H (is this meant to be the month as the 8th letter in the alphabet?) 175 (strike price)

Is that a correct interpretation?

DTN_Gary_Stephen
-DTN Guru-
Posts: 392
Joined: Jul 3, 2019


Posted: Aug 22, 2023 03:21 PM          Msg. 2 of 2
You pretty much have it right. Since about 2010, options are named from a standard convention, which works as you describe. I should add a few details:


  • If the expiration day is a single digit, it gets a leading zero, e.g. AAPL2309H175 if the expiration day was the 9th.

  • Strike Prices do not get a leading zero, e.g. AAPL2325H50

  • Call options are A-L in order by month, put options are M-X in order by month. AAPL2325H175 is a call option; the put option for the same strike price would be AAPL2325T175. Here's the list: https://help.tradestation.com/10_00/eng/tradestationhelp/symbology/month_codes_stock_index_options.htm

  • Sometimes there will be an extra number in the option symbol, like FWOA22315I50. This typically happens when the underlying symbol splits; the extra digit represents some kind of change in the deliverable or price. https://infomemo.theocc.com/infomemo/search is a good source of information about this. Each symbol has a memo and a description of what the new option symbol means exactly. You can even look up FWOA (it's memo number 53034).



Sincerely,
Gary Stephen
DTN IQFeed Implementation Support Specialist
 

 

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