Citadel Execution Services is a leading retail options router and on-exchange liquidity provider, executing approximately 21% of U.S.-listed equity options volume1. Since our founding in 2002, our commitment to three core principles – liquidity, transparency, and prioritizing the needs of our clients – has enabled us to establish relationships with every major U.S. brokerage firm.

We are a registered securities dealer in more than 3,000 names and have a unique footprint, acting as a specialist in names representing 99% of traded volume2. Our technological prowess and industry expertise allow us to offer consistent price improvement across orders types, while regularly ranking as a top liquidity provider on all 12 U.S. options exchanges.

With team members participating on the boards of ISE, Gemini, BATS, BOX, MIAX (observer), NYSE – AMEX (observer), and CBOE (advisory board), we continually advocate for market structure reforms to level the playing field.



1 Measured based on the sum of contracts executed in an agency or principal capacity divided by the publicly reported total OCC cleared volume during the 12 months ending Q4 2016.

2 Based on 3,000+ options class appointments, representing 99%+ of industry volume, as of June 2016.