Fields
The number on the right of each row is the protobuf field number.total_open_interestint64optional1
Total option contract open interest. This is normally call_open_interest plus put_open_interest. Absent when unavailable.
call_open_interestint64optional2
Call option contract open interest for the represented trading date.
put_open_interestint64optional3
Put option contract open interest for the represented trading date.
Arithmetic mean of non-null call open interest among up to the 30 most recent earlier stored dates. The value remains absent until the ticker’s earliest stored state is at least 30 calendar days old. Eligibility does not require 30 stored observations.
Arithmetic mean of non-null put open interest among up to the 30 most recent earlier stored dates. The value remains absent until the ticker’s earliest stored state is at least 30 calendar days old. Eligibility does not require 30 stored observations.
flex_oiint64optional6
Sum of open interest across the ticker’s FLEX option contract records for the represented date.
flex_option_chainsint64optional7
Number of FLEX option contract records for the ticker and represented date.
new_chainsint64optional8
Number of non-expired option symbols present on this trading date with no matching option-state row on the previous trading date. This does not prove an exchange listing event.
prev_total_oiint64optional9
Total option open interest from the previous trading-date state.
prev_call_oiint64optional10
Call option open interest from the previous trading-date state.
prev_put_oiint64optional11
Put option open interest from the previous trading-date state.
