ADP vs DDOG

Automatic Data Processing and Datadog, both Technology

Automatic Data Processing is the larger company at $87B against $79B. On trailing earnings ADP is the cheaper of the two at a P/E of 25.7 against 460.3, a gap that is only a bargain if the two are growing at similar rates. Over the past year DDOG returned +68% against -4.1% for ADP. Ryufin's sector-relative Smart Score puts ADP ahead, 9/10 against 7/10.

Automatic Data Processing and Datadogcompared on valuation, return and Ryufin’s Smart Score
FigureADPDDOG
Last close$281$230
Market cap$87B$79B
Trailing P/Elower is cheaper for the same earnings, not automatically better25.7460.3
Dividend yield2.1%n/a
1-year return-4.1%+68%
5-year return+50%+108%
Ryufin Smart Scoresector-relative, 1–109/107/10

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

Automatic Data Processing

Datadog

Revenue of $1.1B in Q2 2026, net income $45M. Its largest reported line is North America, 74% of the disclosed total.

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