Stock Market Capitalization to GDP for United States was 194.89% in January of 2020, according to the United States Federal Reserve. Historically, Stock Market Capitalization to GDP for United States reached a record high of 194.89 in January of 2020 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 June of 2024.