Ah, my mistake. Optiver was The Hammer. The tower regulatory action was for spoofing. https://www.cftc.gov/PressRoom/PressReleases/8074-19 https://www.cftc.gov

Ah, my mistake. Optiver was The Hammer. The tower regulatory action was for spoofing. https://www.cftc.gov/PressRoom/PressReleases/8074-19 https://www.cftc.gov/PressRoom/PressReleases/8074-19