Stock Market Capitalization to GDP for United States was 158.12% in January of 2019, according to the United States Federal Reserve. Historically, Stock Market Capitalization to GDP for United States reached a record high of 164.36 in January of 2017 and a record low of 36.65 in January of 1978. Trading Economics provides the current actual value, an historical data chart and related indicators for Stock Market Capitalization to GDP for United States - last updated from the United States Federal Reserve on March of 2024.