The best broker for high-frequency trading in 2022 is IC Markets. IC Markets has everything that a trader running an HFT strategy might need, offering a liberal execution policy (including during fast markets), numerous account types, and a variety of execution methods., All of these features, along with its deep liquidity, has us ranking IC Markets at the top for HFT traders. If you are running an automated trading system that trades at lower frequencies, for example, or an ultra-fast HFT setup, IC Markets’ support for the complete MetaTrader suite (MT4 and MT5) has you covered. Also available with IC Markets is the cTrader platform suite, which supports FIX API trading connectivity.