For AI agents: a documentation index is available at the root level at /llms.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
The Order cancellation parameters when cancelling an order.
Name
Type
Description
extOperator
string
Following CME Rule 576, the ExtOperator field will signify the unique API operator at the time of trading for order management.
manualOrderIndicator
int
Following CME Rule 576, the ManualOrderIndicator field will signify if an order is manual (1) or automated (0).
manualOrderCancelTime
string
Used by brokers and advisors when manually entering an order cancellation request. Format should be “YYYYMMDD-HH:mm:ss” using UTC as the timezone value.
