Based on the latest data from Jun 22, 2026, ADP's PEG ratio sits at 2.03. This metric combines a PE of 19.94 with an earnings growth rate of 9.8%. Relative to the 2.89 average from the past 4 quarters, the PEG ratio fell by 30%.
Looking at the past ten years, ADP's PEG ratio has settled around 2.88 on average. At 2.03, today's PEG ratio sits 30% lower than its historical average. Within the past ten years, the Dec 2020 quarter saw the highest PEG reading at 19.02. At 0.77, the Mar 2020 quarter represented the lowest PEG ratio in this timeframe.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 3.21 | 30.78 | 9.6% |
| 2024 | 2.42 | 26.11 | 10.8% |
| 2023 | 1.55 | 26.64 | 17.2% |
| 2022 | 1.94 | 29.84 | 15.4% |
| 2021 | 5.01 | 32.56 | 6.5% |
| 2020 | 2.99 | 25.98 | 8.7% |
| 2019 | 1.36 | 31.37 | 23.1% |
| 2018 | 4.29 | 31.34 | 7.3% |
| 2017 | 1.17 | 25.68 | 22% |
| 2016 | 4.32 | 28.09 | 6.5% |
| 2015 | N/A | 26.13 | -3.2% |
| 2014 | 2.81 | 25.01 | 8.9% |
| 2013 | 11.27 | 23.66 | 2.1% |
| 2012 | 1.6 | 19.53 | 12.2% |
| 2011 | 4.15 | 20.74 | 5% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 1.93 | 18.88 | 9.8% |
| Dec 2025 | 2.9 | 24.64 | 8.5% |
| Sep 2025 | 3.52 | 28.86 | 8.2% |
| Jun 2025 | 3.21 | 30.78 | 9.6% |
| Mar 2025 | 3.54 | 31.18 | 8.8% |
| Dec 2024 | 2.69 | 30.43 | 11.3% |
| Sep 2024 | 2.65 | 29.44 | 11.1% |
| Jun 2024 | 2.42 | 26.11 | 10.8% |
| Mar 2024 | 1.91 | 27.72 | 14.5% |
| Dec 2023 | 1.91 | 26.96 | 14.1% |
| Sep 2023 | 1.72 | 28.44 | 16.5% |
| Jun 2023 | 1.55 | 26.64 | 17.2% |
| Mar 2023 | 1.81 | 28.29 | 15.6% |
| Dec 2022 | 1.9 | 31.55 | 16.6% |
| Sep 2022 | 2.18 | 31.16 | 14.3% |
Measured against past performance, ADP's PEG ratio comes in under the 3, 5 and 10-year averages.
With a PEG of 2.03, ADP ranks higher than the Industrials sector average. In comparison with the Industrials sector average of 1.13, Automatic Data Processing's PEG is 80% higher.
Among its peer stocks INTU and IRM, ADP's PEG ratio runs higher.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| INTU Intuit Inc | 0.47 | $70.88B |
| IRM Iron Mountain Inc | 1.14 | $38.79B |
| EFX Equifax Inc | 1.71 | $18.45B |
| ADP Automatic Data Processing Inc | 2.07 | $87.41B |
| PAYX Paychex Inc | N/A | $35.06B |
| NSP Insperity Inc | N/A | $1.35B |
| TNET Trinet Group Inc | N/A | $2.04B |
| ACN Accenture plc | N/A | $84.04B |
| BBSI Barrett Business Services Inc | N/A | $810.96M |
| FNF Fidelity National Financial Inc | N/A | $12.76B |
ADP has a PEG ratio of 2.03, per Jun 22, 2026 data.
Historical data over a 3-year period puts ADP's average PEG ratio at 2.5.
Historical data over a 5-year period puts ADP's average PEG ratio at 2.55.
The Dec 2020 quarter marked the ten years high at 19.02 for ADP's PEG ratio.
ADP currently has a PEG ratio 30% below its 10-year average.
Slow earnings growth combined with a rich valuation drives ADP's PEG ratio to 2.03.
Computing the PEG ratio involves dividing the PE ratio by the company's EPS growth rate (YoY TTM). As of Jun 22, 2026, Automatic Data Processing carries a PE ratio of 19.94. Earnings grew at 9.8% over the TTM period ending Mar 2026. Applying the formula, this yields a PEG ratio of 2.03. PEG RATIO(2.03) = PE RATIO(19.94) / EPS GROWTH(9.8%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.