Places like D.E. Shaw, Two Sigma, Jane Street, Renaissance, Citadel, etc... were doing this long before any of these banks. To call it innovation is a bit of a

Places like D.E. Shaw, Two Sigma, Jane Street, Renaissance, Citadel, etc... were doing this long before any of these banks. To call it innovation is a bit of a misnomer in my opinion, more of a catching up with the times really.