CME Group Fines StoneX Financial for Reporting Failures

CME Group has issued a disciplinary notice against StoneX Financial, Inc. for reporting failures that occurred during May, June, and July 2026.

According to the exchange, StoneX submitted Large Trader position adjustments after the prescribed deadline, failed to provide OCR 102A information within the required timeframe, failed to submit accurate Open Interest to the Clearing House in a timely manner, and failed to accurately report concurrent long and short positions as open positions or reductions to those positions.

As a result, StoneX was found to have violated CME Group Rules 561, 811, and 854.C. Under the settlement offer, the exchange ordered StoneX to pay a fine of $31,500 in connection with this case and companion cases across the CBT, CME, COMEX, and NYMEX exchanges.

The notice takes effect on September 8, 2026.