The highest closing price for Automatic Data Processing (ADP) last month was $225.31, on May 22. It was up 3.2% for the month. The latest price is $231.15.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
May 29 2026 | $218.09 | $224.16 | $218.01 | $221.84 | 3,377,700 |
May 28 2026 | $215.60 | $221.10 | $215.60 | $219.86 | 1,784,700 |
May 27 2026 | $218.63 | $221.37 | $216.72 | $217.65 | 2,061,600 |
May 26 2026 | $221.84 | $223.48 | $218.28 | $218.35 | 2,374,525 |
May 22 2026 | $220.32 | $226.46 | $220.18 | $225.31 | 2,282,600 |
May 21 2026 | $219.03 | $220.59 | $216.62 | $220.08 | 2,248,900 |
May 20 2026 | $218.22 | $221.02 | $215.34 | $220.69 | 2,846,700 |
May 19 2026 | $222.94 | $227.43 | $220.33 | $220.44 | 3,575,800 |
May 18 2026 | $215.30 | $223.31 | $215.13 | $222.94 | 3,256,700 |
May 15 2026 | $210.10 | $214.92 | $210.10 | $214.48 | 2,921,800 |
May 14 2026 | $208.63 | $211.24 | $207.07 | $208.37 | 2,818,300 |
May 13 2026 | $211.47 | $212.48 | $204.56 | $208.63 | 3,251,500 |
May 12 2026 | $213.78 | $215.81 | $211.13 | $213.81 | 4,018,000 |
May 11 2026 | $211.26 | $213.13 | $209.98 | $211.67 | 2,260,100 |
May 08 2026 | $212.69 | $213.56 | $208.62 | $213.00 | 2,804,100 |
May 07 2026 | $206.05 | $215.09 | $206.05 | $214.09 | 3,462,500 |
May 06 2026 | $208.41 | $209.21 | $205.70 | $207.20 | 2,237,600 |
May 05 2026 | $210.03 | $211.23 | $206.74 | $210.60 | 2,113,900 |
May 04 2026 | $213.12 | $216.10 | $210.63 | $211.32 | 2,986,700 |
May 01 2026 | $215.02 | $216.55 | $209.12 | $214.21 | 2,621,700 |
Daily pricing data for Automatic Data Processing dates back to 3/17/1980, and may be incomplete.