Historical annual and monthly returns for MSCI Inc. (MSCI).
For MSCI Inc. (MSCI), the strongest completed calendar year was 2009, when the stock returned 79.0%, while its weakest was 2008, with a return of -53.8%. Across the 18 completed calendar years from 2008 through 2025, its average annual return was 23.1% and its compounded annual return was 17.0%. MSCI posted positive returns in 13 of those 18 years (72%). In 2025, the latest completed year, it returned -3.2%. In 2026 year to date, MSCI has returned -4.3%.
Returns are calculated from the adjusted daily closing prices for MSCI Inc. (MSCI). Annual returns measure the percentage change between the final available trading prices of consecutive calendar years. Monthly returns use the corresponding month-end observations. Adjusted prices account for stock splits and distributions when supplied by the market-data provider. Results are nominal and are not adjusted for inflation.