I can't find the original source on bloomberg, but this includes his emails to CTFC (the relevant regulator for e-mini futures) https://www.businessinsider.com

I can't find the original source on bloomberg, but this includes his emails to CTFC (the relevant regulator for e-mini futures) https://www.businessinsider.com/emails-sent-by-trader-navinder-sarao-2015-4 https://www.businessinsider.com/emails-sent-by-trader-navind...