Mosaic, a French high-speed trading firm, recently complained to Eurex and European regulators about other high-speed trading firms using a method in which they bombard an exchange with ‘useless data.’ This maneuver buys them just enough time to react fractionally faster to market-moving information. This move is apparently making certain high-speed firms a lot of money. This episode reviews as article from The Wall Street Journal (subscription required) titled “High-speed traders are feuding over a way to save 3.2 billionths of a second.”
