Over the last few decades, how stocks are traded in the United States has been totally transformed. Gone are the dealers on NASDAQ and the specialists at the NYSE. Instead, a company’s stock can now be traded electronically on up to sixty competing venues where a computer matches incoming orders. A majority of quotes are now posted by high-frequency traders (HFTs), making them the market makers that are the preponderant source of liquidity in the new market.
This new stock market has spawned a bewildering number of controversies. From the quoting practices of HFTs, to the rise of so-called dark … Read more