Market data plans revive proposals to move odd lots onto Sips
Consultation on democratizing odd lots data closes next week, but more solutions to order protection concerns may be needed.

US equity markets trading is based on what many market participants consider to be an anachronism: the use of round lots—units of 100 shares of a stock—as the standard unit of trading, with any order of fewer than 100 considered an odd lot.
For most of the equity markets’ history, odd lots constituted a relatively insignificant proportion of liquidity, but from around 2015 they began to account for a growing proportion of all exchange trades. Mostly this is because retail investors have shifted
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
AI’s next gig: The rising cost of off-channel communications compliance
As the cost of analyzing communications increases, what tools can firms deploy to save time and money while avoiding penalties?
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.