StoneX Financial Inc will have to pay a fine for violating CME rules concerning reporting of large positions. The relevant notice of summary action was posted today by CME.

During the month of March 2023, StoneX Financial inaccurately reported its large trader positions and submitted position adjustments after the prescribed deadline in several instances of CME contracts, in violation of Rule 561.

During the same month, StoneX Financial inaccurately reported its open interest in several instance of CME futures contracts.

Pursuant to Rule 512, a fine in the amount of $3,500 was collectively assessed against StoneX Financial, Inc. for its violations of Rules 561 and 811, as follows: CME Rule 561 – $1,500, and CME Rule 811 – $2,000.

CME RULES:

• 561. REPORTS OF LARGE POSITIONS (In pertinent part)

Clearing members, omnibus accounts and foreign brokers shall submit to the Exchange a daily report of all positions required to be reported as set forth in the Position Limit, Position Accountability and Reportable Level Table in the Interpretations Section at the end of Chapter 5.

Positions at or above the reportable level in a particular expiration month of a futures contract, or in all puts or in all calls of a particular option contract expiration month, are required to be reported. For an account with reportable positions in a particular contract, all positions, regardless of size, in any contract month and in any contract that aggregates with that contract must be reported…

The Exchange may require that more than one large trader position report be electronically submitted daily. The Business Conduct Committee or the Market Regulation Department may require reports or additional account identification from any clearing member, omnibus account or foreign broker on a lesser number of positions than reflected in the Position Limit, Position Accountability and Reportable Level Table.

• 811. POSITION CHANGE DATA

Position change data must be submitted to the Clearing House each trading day not later than the time specified by the Clearing House. Position change data will be in such form and contain such information as prescribed by the Clearing House. When requested, the identification of accounts will be made available to the Financial and Regulatory Surveillance Department.