Historical annual and monthly returns for Automatic Data Processing (ADP).
For Automatic Data Processing (ADP), the strongest completed calendar year was 2013, when the stock returned 45.6%, while its weakest was 2002, with a return of -32.7%. Across the 26 completed calendar years from 2000 through 2025, its average annual return was 10.7% and its compounded annual return was 9.4%. ADP posted positive returns in 20 of those 26 years (77%). In 2025, the latest completed year, it returned -10.2%. In 2026 year to date, ADP has returned 4.0%.
Returns are calculated from the adjusted daily closing prices for Automatic Data Processing (ADP). 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.
