The New Stock Market: Sense and Nonsense

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