Automatic Data Processing (ADP) Stock Price vs Diluted EPS
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In the most recent year-over-year comparison, ADP's Diluted EPS for Q3 2026 (ended March 31) reached $3.38 per share, up 10.46% from $3.06 in Q3 2025. Over that same one-year window, however, the stock price declined from $305.53 to $203.18 as of the latest report date, a 33.5% decrease. This represents valuation compression, as earnings grew while the stock price fell significantly. The most recent stock price of $227.44 on June 2, 2026 remains well below the prior-year price level. The overall correlation between stock price and Diluted EPS since 1980 stands at 0.91, indicating a strong historical relationship between the two metrics despite the recent divergence.
Diluted EPS was $3.38/share as of 2026-03-31, +10% year over year. The stock moved -33% over the same window ($305.53 -> $203.18). The stock is now cheaper relative to Diluted EPS than a year ago (multiple compression).
Latest close: 228.87 USD (2026-06-02).
Diluted EPS | recent SEC reports
| Report date | Diluted EPS | Period |
|---|
| 2026-03-31 | 3.38 USD/share | Q3 10-Q |
| 2025-12-31 | 2.62 USD/share | Q2 10-Q |
| 2025-09-30 | 2.49 USD/share | Q1 10-Q |
| 2025-03-31 | 3.06 USD/share | Q3 10-Q |
| 2024-12-31 | 2.35 USD/share | Q2 10-Q |
| 2024-09-30 | 2.34 USD/share | Q1 10-Q |
| 2024-03-31 | 2.88 USD/share | Q3 10-Q |
| 2023-12-31 | 2.13 USD/share | Q2 10-Q |
Sources: autario.com/data/stock-adp-automatic-data-processing-daily-prices · autario.com/data/automatic-data-processing-diluted-eps-sec-filings | data verified and hosted on autario.com.