IEX CEO Katsuyama Responds To Chilton’s Allegations

Last month Bart Chilton, former head of the Commodity Futures Trading Commission who now works at legal powerhouse DLA Piper, wrote an op-ed in the New York Times alleging that high frequency traders make up about half the volume at the IEX, an exchange expressly created to remove the advantages that HFT has everywhere else.

“This is false: While high-frequency trading firms are estimated to generate 50 per cent or more of the volume on other stock markets, on IEX, high-frequency trading firms currently make up less than 20 per cent of our volume,” writes IEX CEO and...