Legal

Regulatory Disclosures



OneChronos Markets LLC

Form BD

Broker Dealer Direct Owners/Executive Officers Schedule A to Form BD

Broker Dealer Indirect Owners Schedule B to Form BD

Rule 605 Reports

Pursuant to SEC Rule 605, execution quality (Rule 605) reports can be obtained directly from the OneChronos website.

Rule 605 requires market centers to publicly disclose monthly execution quality statistics for National Market System (“NMS”) securities based on certain specified requirements. Please be aware that the statistics prepared under Rule 605 only capture a subset of the order flow handled and executed by OneChronos Markets LLC (OneChronos ATS).

MonthSummary ReportFull Report
2026
September 2026GZ
August 2026GZ
July 2026—ZIP
June 2026—ZIP
May 2026—ZIP
April 2026—ZIP
March 2026—ZIP
February 2026—ZIP
January 2026—ZIP
2025
December 2025—ZIP
November 2025—ZIP
October 2025—ZIP
September 2025—ZIP
August 2025—ZIP
July 2025—ZIP
June 2025—ZIP
May 2025—ZIP
April 2025—ZIP
March 2025—ZIP
February 2025—ZIP
January 2025—ZIP
2024
December 2024—ZIP
November 2024—ZIP
October 2024—ZIP
September 2024—ZIP
August 2024—ZIP
July 2024—ZIP
June 2024—ZIP
May 2024—ZIP
April 2024—ZIP
March 2024—ZIP
February 2024—ZIP
January 2024—ZIP
2023
December 2023—ZIP
November 2023—ZIP
October 2023—ZIP
September 2023—ZIP
August 2023—ZIP
July 2023—ZIP
June 2023—ZIP
May 2023—ZIP
April 2023—ZIP
March 2023—ZIP
February 2023—ZIP
January 2023—ZIP
2022
December 2022—ZIP
November 2022—ZIP
October 2022—ZIP
September 2022—ZIP
August 2022—ZIP
July 2022—ZIP
June 2022—ZIP

Reports before August 2026 follow the original Rule 605 format, which does not include a summary report.

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