About Securities

Since the advent and spread of electronic trading platforms, investors have benefitted from increased transparency, better quality execution, and significant cost savings.

At Citadel Securities, we are proud of our leading role in this continuing global market transformation. We are driving innovation on behalf of investors who rely on sound markets every day. Since 2005, we have deployed pioneering technology and rigorous risk management tools that deliver superior execution for investors. We’ve grown to be both the leading retail equity and listed equity options market maker in the U.S. and a trusted automated trading partner to the world’s institutional investors.

Citadel Securities serves retail investors through our Citadel Execution Services (CES) retail offering, which provides fast and reliable equity and equity options execution to millions of retail investors. CES' Institutional offering provides the same superior execution to institutional clients, equipping them with a suite of powerful tools and services and the very latest in automated trading technology.

Whether we are serving retail or institutional clients, our core belief in the power of reliable markets remains the same. Secure and reliable markets lead to empowered investors and the efficient deployment of capital. We believe better markets make a better world.