Automatic Data Processing Inc. (ADP) closed at $308.09 on October 23, 2026, marking a single-session gain of 4.61% as shares continued to build on recent momentum. The human capital management company carries a market capitalization of $116.7 billion.
The daily advance extended a broader rally that has gained traction over the past week. Over the prior seven days, ADP shares rose 7.89%, reflecting sustained buying pressure across the period.
Zooming out further, the stock's 30-day performance tells an even stronger story. ADP has climbed 14.28% over the past month, placing it among the more notable movers in the large-cap technology and business services space during that window.
The combination of short- and medium-term gains positions ADP's stock price well above where it stood a month prior, with the $308.09 close representing the cumulative result of consistent upward movement across all three tracked timeframes.



