Rory O'Kane

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Rory O'Kane
Occupation Director
Employer Simplex Investments
Location Chicago

Rory O'Kane is a Chicago-based derivatives executive who serves as a managing director at Simplex Investments. Previously, he was a senior vice president at Two Sigma.

He has also served as a director of US Options at Knight Equity Markets. He joined Knight in January of 2010 after spending the previous 10 years at TD Securities.[1]


O'Kane served as president of the Securities Traders Association of Chicago in 2008.[2]

He has been in the equities and options trading business for more than 28 years.[3]

Prior to joining Knight, he was managing director/president of TD Professional Execution, Inc., a unit of TD Securities USA.

He was also former President of Rom-Bo Trading Company (a unit of Stafford Trading Company). His firm was a NASDAQ market maker and CBOE member responsible for providing options, equities, and futures execution capabilities to option floor-based and upstairs derivative-trading firms.

He is a Securities Traders Association governor and also co-chairs the STA Options Committee and STA PAC Committee.

He serves on the SIFMA Options, ISE Allocation, ISE Retail Advisory, and the ISE Nominating Committees.



  1. Rory O'Kane Joins Knight Equity Markets in Chicago. e-execute.
  2. Rory O'Kane. LinkedIn.
  3. Rory O’Kane. Securities Traders Association.