The SEC published a notice for NYSE Arca's immediately effective proposed rule change to amend equities fees, prompted in part by the disproportionate impact of algorithmic trading strategies.

rulemaking notice United States effective 8/10

Government · Securities and Exchange Commission

The Securities and Exchange Commission (SEC) issued a notice regarding a rule change by NYSE Arca, Inc. to amend its equities fees and charges, which became effective immediately. This change is partly influenced by concerns raised in a prior report about the disproportionate impact and externalized costs associated with high-frequency trading (HFT) and algorithmic strategies in market surveillance and message traffic.

Effective date

2026-06-16

Action required

Firms utilizing algorithmic trading strategies on NYSE Arca must review the amended fees and charges and adjust their operations and cost structures accordingly to ensure compliance.

Binding status

binding

Governing body

Securities and Exchange Commission

Direction

clarifying

Innovation impact

constraining

AI technologies

predictive analyticsai agents

Affected industries

financial services

Affected roles

compliance officerctorisk manager

"The Committee recognizes that there are valid reasons for algorithmic strategies to drive high cancellation rates, but we believe that this is an area that deserves further study. At a minimum, we believe that the participants of those strategies should properly absorb the externalized costs of their activity."

Enriched 2026-06-19 · resolved via already primary

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Important — about this brief

This brief is published by AIGI as a regulatory intelligence service. It contains general information about AI laws, regulations, enforcement actions, and policy signals across jurisdictions. It is not legal, compliance, audit, or risk-management advice; it does not establish an attorney-client, advisory, or fiduciary relationship; and it should not be relied upon as a substitute for professional counsel applied to specific facts and circumstances. Where the brief identifies “Issues for Review,” those are observations of questions a reader in a particular role might raise with their own legal, compliance, or risk function — not recommendations to act. AIGI expressly disclaims liability for actions taken or not taken in reliance on this brief. Subscribers in regulated industries should consult licensed professionals authorized to practice in their jurisdiction.

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