StoneX gets a slap on the wrist for alleged CME rule violations
International derivatives marketplace CME Group has published a notice of summary action against StoneX Financial Inc.
Pursuant to the results of a back office CTR exam, for trade dates September 17, 2025, through September 30, 2025, StoneX Financial Inc’s data entry errors exceeded the 10% threshold level mandated by Rule 536.F.
Pursuant to the Rule 536.F sanction schedule, StoneX Financial Inc was issued a $2,500 fine for its first violation of Rule 536.F. within 24 months.
The effective date of the notice is December 4, 2025.
