From: Vincenzo lozzo Sent: Saturday, January .... To: jeffrey E. Subject: Citadel and sip This is a very good read on how citadel was using sip discrepancies to make money, you might like it: https://www.sec.gov/litigation/admin/2017/33-10280.pdf Sent from my (phone 1 EFTA_R1_01915653 EFTA02665288