HFT CAN and will use wireless if it is faster than fibre (refractive index of air vs glass). Albeit not WiFi but they do use Ham Radio to front run trades betwe

HFT CAN and will use wireless if it is faster than fibre (refractive index of air vs glass). Albeit not WiFi but they do use Ham Radio to front run trades between cities and continents. There have been a few articles posted to HN over the years....