High-Frequency Trading Competition Staff Working Paper 2014-19 Jonathan Brogaard, Corey Garriott, Anna Pomeranets We analyze trading dynamics as successive high-frequency trading (HFT) firms begin to trade stocks in an equity market. Entrants compete with incumbents for volume, and there is crowding out. Content Type(s): Staff research, Staff working papers Topic(s): Financial markets, Market structure and pricing JEL Code(s): G, G1, G14, G2, G20, L, L1