News and Events

Rule 605 Tech Spec & Expanded CAT Support

Rule 605 Tech Spec Filing On June 12, 2025, the SEC released the FINRA technical specifications for Rule 605 reports. The SEC is soliciting public comment on the spec, due…

STA Open Call: Expanding the Scope of Rule 605

About this Open Call The Securities and Exchange Commission (SEC) held an Open Meeting on Wednesday, March 6, where they adopted amendments to the National Market System (NMS) stock order…

Raising the Bar on Retail Best Execution in Europe

Read original article here – https://www.marketsmedia.com/raising-the-bar-on-retail-best-execution-in-europe/ Best execution for retail stock trades has had a foothold in the U.S. since the tail end of last century, when buzzy IPOs, soaring…

S3 Launches Global Options Best Ex & TCA

Austin, TX, August 18, 2022 – S3 today unveiled its Global Options Best Ex & TCA solution for firms looking to satisfy Best Execution obligations for options across all jurisdictions. …

STANY Awards

S3 was awarded “Best of Industry Solutions” for Consolidated Audit Trail (CAT) Reporting during the 9th Annual STANY Honors Awards for its exceptional CAT Reporting tool and customer support.  The…