Automatic Data Processing, Inc. (ADP) PE Ratio: 21.54

The P/E ratio for Automatic Data Processing, Inc. (ADP) is 21.54 as of Wednesday, June 10, 2026. It is below its 12-month average by 15.29% (25.43).

PE Ratio (21.54) = Close Price ($231.10) / Diluted TTM EPS ($10.73)

ADP PE Ratio Chart

ADP Average PE Ratio Chart

ADP Current vs Average PE Ratio Chart

ADP PE Ratio Metrics

P/E vs. its own history

At 21.5, P/E is in its normal range — richer than 37% of its 20-year range.

P/E Comparison

Automatic Data Processing, Inc. PE Ratio Formula & Definition

PE Ratio = Share Price / Diluted EPS (TTM)

The price-to-earnings ratio measures how much investors pay for each dollar of trailing earnings. A lower PE can indicate a cheaper valuation; a higher PE implies higher growth expectations.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

Automatic Data Processing, Inc. PE Ratio FAQ

What is the P/E ratio for Automatic Data Processing, Inc. (ADP)?

The P/E ratio for ADP stock is 21.54.

Is Automatic Data Processing, Inc.'s P/E ratio high or low?

Automatic Data Processing, Inc.'s P/E ratio of 21.54 is 29% below its 5-year average of 30.25, near the low end of its 5-year range (18.14–39.23).

What is the TTM average P/E ratio for Automatic Data Processing, Inc. (ADP)?

The TTM average P/E ratio for ADP stock is 25.43.

What is the 3Y average P/E ratio for Automatic Data Processing, Inc. (ADP)?

The 3Y average P/E ratio for ADP stock is 28.28.

What is the 5Y average P/E ratio for Automatic Data Processing, Inc. (ADP)?

The 5Y average P/E ratio for ADP stock is 30.25.

What is the 10Y average P/E ratio for Automatic Data Processing, Inc. (ADP)?

The 10Y average P/E ratio for ADP stock is 29.94.

What is the 15Y average P/E ratio for Automatic Data Processing, Inc. (ADP)?

The 15Y average P/E ratio for ADP stock is 27.45.

What is the 20Y average P/E ratio for Automatic Data Processing, Inc. (ADP)?

The 20Y average P/E ratio for ADP stock is 24.42.

Automatic Data Processing, Inc. PE Ratio History

Showing the most recent 260 of 5,031 data points. The chart above shows the full history.

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