High-frequency trading (HFT) is an intriguing and controversial technological development. It is on the brink of the next leap forward with quantum computing enabling transaction speeds previously thought impossible. HFT trading strategies can provide significant profit potential, but only with the proper hardware and software. This article will introduce you to HFT, cover the primary HFT trading strategies, and note the regulatory challenges to give you an idea of whether HFT is a venture you should pursue.