Us Equities, Algorithmic Trading, AWS, Microstructure, Latency.
street (and not just from IEX; another example is the M-ELO order type at Nasdaq; there are others, especially in the ATS space). We may not be the fastest, but we want to be the smartest and that can go farther than being brute-force fast. LLTE: Meh, I still think you need to be fast to compete.