Weld, Michaely, Thaler, and Benartzi (2009) find that the average nominal U.S. stock price has been approximately $25 since the Great Depression. They report that this “nominal price fixation is primarily a U.S. or North American phenomenon.” Using a larger data set from 38 countries, we...

Weld, Michaely, Thaler, and Benartzi (2009) find that the average nominal U.S. stock price has been approximately $25 since the Great Depression. They report that this “nominal price fixation is primarily a U.S. or North American phenomenon.” Using a larger data set from 38 countries, we...

This paper provides evidence that stock traders focus on round numbers as cognitive reference points for value. Using a random sample of more than 100 million stock transactions, we find excess buying (selling) by liquidity demanders at all price points one penny below (above) round numbers....