The Options Clearing Corporation proposed amendments to formalize the procedures under which it would adjust the parameters for calculating margin requirements during periods of high market volatility.

The equity exchanges submitted a new joint national market system plan "to govern the public dissemination of real-time consolidated equity market data for NMS stocks."

The MSRB set a comment deadline of February 26, 2024 on proposal to shorten the time allowed for post-trade reporting. The proposal was published in the Federal Register.

The MSRB set a comment deadline of February 16, 2024 on a proposal to shorten the time allowed for post-trade reporting for Municipal Securities. The MSRB proposal was published in the Federal Register.

CFTC Commissioner Kristin N. Johnson defended the CFTC's "efforts to advance inquiries regarding the integration of AI in our markets and to explore the need to introduce guardrails to mitigate the risks that AI technologies may present."