Judge Robert W. Sweet signed the final judgment in a Manhattan federal court. The sum was $1,027,000,000. It was the largest civil antitrust settlement in history at the time, and it stemmed from a conspiracy so mundane it was almost boring. Throughout the early 1990s, market makers on the NASDAQ exchange had an unspoken rule: they would only quote stock prices in even-eighths of a dollar. They avoided odd-sixteenths. This tiny artificial constraint, a fraction of a cent per share, guaranteed them a wider profit margin on every trade. It was a silent tax on every investor. The scheme was exposed by two academics, William Christie and Paul Schultz, whose research revealed the statistical impossibility of the pattern.
The case posed an existential question about modern markets: is efficiency a technological reality or a cultural pretense? NASDAQ was an electronic network, touted as a more advanced rival to the New York Stock Exchange. Its technology could have enabled tighter spreads and better prices. Instead, dealers used an informal code to subvert that potential. The conspiracy required no smoky backroom meetings. It thrived on winks and nods, on the understanding that no firm would break ranks and offer a better deal. The market's invisible hand was quietly giving the finger to the public.
The settlement forced reforms and surveillance. It did not end greed or collusion. It simply made the next conspiracy more sophisticated and harder to detect. The event matters as a monument to the banality of financial fraud. The biggest thefts are not conducted with guns or clever algorithms alone. They are executed through quiet agreements to do a little less than the law allows, to withhold a fractional advantage that, across millions of trades, builds a billion-dollar monument to ordinary venality.