âThere are literally hundreds of strategies that are high-frequency trading, ranging all the way from those that really perform much of a market-making and liquidity-providing function to perhaps some on the opposite end of the spectrum, where they are abusive and trying to manipulate the market,â he said.
âObviously, we need to get rid of those types of high-frequency traders, but I think the bulk of them are creating liquidity and reducing spreads for us, which has dramatically reduced costs.â
