Beginning November 6, 2021, OCC will no longer display the underlying price on the Flex Reports, including associated batch processing reports.
For more information, also see Information Memo #49305.
Flex reports are applicable for the options product only.
Flex Number Prefix:
1 = American-style equity. For index products, this also means it is a.m. settled.
2 = European-style equity. For index products, this also means it is a.m. settled.
3 = American-style index, p.m. settled.
4 = European-style index, p.m. settled.