Full text of PEAK6 CAPITAL MANAGEMENT LLC's X-17A-5/A filed 2019-02-28 (period 2018-12-31). Broker-dealer annual report from SEC EDGAR — readable, searchable, and available as markdown for AI agents.
X-17A-5/A 0001044627 XXXXXXXX LIVE true false false 01-01-2018 12-31-2018 Broker-dealer N PEAK6 CAPITAL MANAGEMENT LLC 141 W. JACKSON BLVD., SUITE 500 CHICAGO IL 60604 Agnes Krupa 312-444-8691 Ernst & Young, LLP 155 North Wacker Drive Chicago IL 60606 Certified Public Accountant Agnes Krupa PEAK6 CAPITAL MANAGEMENT LLC 12-31-2018 Agnes Krupa Chief Financial Officer Y
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