NexusFi: Find Your Edge


Home Menu

 



S3 (Compliance & Trade Analytics)

Full-service compliance and trade analytics software company. Industry standard for regulatory reporting, trade surveillance, CAT, TCA, and best execution analytics. Multi-asset coverage (equities, options, international). Founded 2001 in Austin, TX. Products: TCA Suite, Options TCA, SEC Rule 605/606 reporting, CAT. Serves broker-dealers and institutional investors.

Overview

Pricing Model
enterprise
Founded
2002

Products & Services

SEC Rule 605 Reporting

b2b

Automated monthly reports for market centers trading NMS securities with covered order execution information.

  • Automated report generation
  • NMS securities coverage
  • Regulatory compliant format
Learn more

SEC Rule 606 Reporting

b2b

Comprehensive 606(a)(1), 606(b)(1), and 606(b)(3) look-through reporting with detailed venue, order, execution, fee and rebate information.

  • 606(a)(1) quarterly disclosures
  • 606(b)(1) on-request reports
  • 606(b)(3) look-through with routing details
  • Fee and rebate breakdowns
Learn more

Consolidated Audit Trail (CAT) Reporting

b2b

End-to-end CAT reporting with rigorous onboarding, gap identification, source data verification, linkage monitoring, and counterparty resolution.

  • Automated submissions and repairs
  • Source data gap identification
  • Linkage monitoring
  • Web-based UI for oversight
Learn more

Trade Surveillance Suite

b2b

Monitor for restricted behaviors across multiple asset classes including spoofing, layering, marking the close, wash sales, insider trading, and more.

  • Spoofing detection
  • Layering detection
  • Wash sale monitoring
  • Insider trading alerts
  • Automated audit trail
  • Multi-asset class
Learn more

Best Execution Analysis

b2b

Examine execution quality for equities, options, complex options, and extended hours trading with customizable metrics and benchmarks.

  • Equity best execution
  • Options analysis
  • Complex options support
  • Extended hours
  • Customizable benchmarks
Learn more

Transaction Cost Analysis (TCA)

b2b

Post-trade metrics using wide variety of benchmarks for domestic, Canadian, and international markets.

  • Post-trade metrics
  • Multiple benchmarks
  • US domestic markets
  • Canadian markets
  • International markets
Learn more
Bundle available - All-in-one platform pricing off

Company Information

Legal Name
S3
Headquarters
Austin, Texas, US
Team Size
51-250
Primary Timezone
America/Chicago

Founding

Founded
2002

Competitive Analysis

Proposition: All-in-one platform combining 605/606/CAT reporting with best execution and TCA

Related Forum Discussions

No forum discussions linked yet.

Help Improve This Listing

NexusFi Elite Members can help keep our Resource Directory accurate and comprehensive.

All company names, products, and services mentioned are trademarks™ or registered trademarks® of their respective owners. This listing was created based on publicly available information. You can suggest edits above or contact us to report inaccuracies.



© 2026 NexusFi®, s.a., All Rights Reserved.
Av Ricardo J. Alfaro, Century Tower, Panama City, Panama, Ph: +507 833-9432 (Panama and Intl), +1 888-312-3001 (USA and Canada)
All information is for educational use only and is not investment advice. There is a substantial risk of loss in trading commodity futures, stocks, options and foreign exchange products. Past performance is not indicative of future results.
About Us - Contact Us - Site Rules, Acceptable Use, and Terms and Conditions - Downloads - Top