Size matters: US equity market players wrangle over new tick size regime
The industry expects the SEC to finalize the Reg NMS shake-up as soon as late summer. While there is broad agreement about the need for change, the extent of the reduction in access fees and tick sizes will have a big impact on markets.

For all the uncertainty surrounding the upcoming US election, one thing is now clear: there will be a new president in the White House come November. For the Securities and Exchange Commission (SEC), fresh administrations often herald a staffing shake-up, so the pressure is on for the Commission to finalize as many of its planned rules as possible before the winter.
One of the most consequential changes proposed by SEC is an adjustment to exchanges’ tick sizes—the minimum increments for quoting
Only users who have a paid subscription or are part of a corporate subscription are able to print or copy content.
To access these options, along with all other subscription benefits, please contact info@waterstechnology.com or view our subscription options here: https://subscriptions.waterstechnology.com/subscribe
You are currently unable to print this content. Please contact info@waterstechnology.com to find out more.
You are currently unable to copy this content. Please contact info@waterstechnology.com to find out more.
Copyright Infopro Digital Limited. All rights reserved.
As outlined in our terms and conditions, https://www.infopro-digital.com/terms-and-conditions/subscriptions/ (point 2.4), printing is limited to a single copy.
If you would like to purchase additional rights please email info@waterstechnology.com
Copyright Infopro Digital Limited. All rights reserved.
You may share this content using our article tools. As outlined in our terms and conditions, https://www.infopro-digital.com/terms-and-conditions/subscriptions/ (clause 2.4), an Authorised User may only make one copy of the materials for their own personal use. You must also comply with the restrictions in clause 2.5.
If you would like to purchase additional rights please email info@waterstechnology.com
More on Regulation
CAT on life support after appeals court ruling
Ahead of a comprehensive review promised by the SEC, lawyers believe that the recent overturn of the Consolidated Audit Trail’s funding order could herald its demise.
Euroclear readies upgrade to settlement efficiency platform
Euroclear, Taskize, and Meritsoft are working together to deliver real-time insights and resolution capabilities to users settling with any of Euroclear’s CSDs.
Messaging’s chameleon: The changing faces and use cases of ISO 20022
The standard is being enhanced beyond its core payments messaging function to be adopted for new business needs.
TT partners Thoma Bravo, Fitch launches GenAI solution, AI infrastructure woes, and more
The Waters Cooler: EquiLend acquires Trading Apps, Ultumus and BMLL partner for ETF data and analytics, and more in this week’s roundup.
CAT funding plan struck down by US appeals court
The 11th Circuit court ruled that the SEC had not established a sufficient precedent to pass the costs of the Consolidated Audit Trail on to broker-dealers.
T+1 for Europe: Crying wolf or real concerns?
Brown Brothers Harriman’s Adrian Whelan asks how prepared the investment industry is for the changes ahead, and if concerns about its implementation are justified.
Crackdown on FX vendors could raise costs for dealers
MTF designation could cost aggregators and EMSs $3m to set up and $1m in annual maintenance.
Technical and regulatory questions surround Europe’s T+1 move
The EU roadmap mirrors the UK’s goal of an October 2027 move. With more than two years to prepare, firms must consider how to implement the non-prescriptive guidelines and weigh where to automate.