Historical annual and monthly returns for American International Group (AIG).
For American International Group (AIG), the strongest completed calendar year was 2010, when the stock returned 92.2%, while its weakest was 2008, with a return of -97.2%. Across the 26 completed calendar years from 2000 through 2025, its average annual return was 5.5% and its compounded annual return was -8.5%. AIG posted positive returns in 16 of those 26 years (62%). In 2025, the latest completed year, it returned 20.0%. In 2026 year to date, AIG has returned -13.3%.
Returns are calculated from the adjusted daily closing prices for American International Group (AIG). 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.
