Ronin Capital

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Ronin Capital
Founded 2001
Headquarters Chicago, IL
Key People John Stafford, CEO; Jeff Wang, Quantitative Analyst
Employees 500
Products Proprietary trading operations, brokerage services

Ronin Capital is a registered broker/dealer with proprietary trading operations in markets such as; equity securities, government bonds, corporate bonds and related derivatives on global exchanges and in electronic markets. Besides their headquarters in Chicago, Ronin Capital has offices in New York and San Francisco.

Ronin is a member of various exchanges including the Boston Options Exchange, Inc., the Chicago Board Options Exchange, Inc., the CME Group, Inc. (CME, CBOT, NYMEX and COMEX), NASDAQ OMX PHLX, NYSE Arca Inc., the International Securities Exchange, LLC, the Dubai Mercantile Exchange, Limited, EUREX Frankfurt AG, NYSE Liffe US, and the Fixed Income Clearing Corporation. [1]

On March 20, 2020, CME Group announced it had auctioned off Ronin Capital's portfolios after Ronin became an apparent victim of the market turmoil in which U.S. stocks plunged more than 30% from their peak because of the novel coronavirus. Ronin was a direct clearing firm for CME. CME said the firm was unable to meet its capital requirements going forward.[2] Ronin did not handle customer business, CME said, so no clients incurred losses as a result of the liquidation.[3]


Ronin is owned by John Stafford III and his father, John Stafford Jr. It was a proprietary trading firm that traded only for its owners and not for clients.[4]

Products and Services[edit]

Ronin Capital chose SR Labs low latency market data product offering for its high frequency trading and automated market making business.

Key People[edit]