Automatic Data Processing (ADP) went public on April 6, 1983, when it opened at a split-adjusted price of $0.55.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
April 2026 | $203.35 | $204.44 | $197.08 | $201.28 | 2,881,623 |
March 2026 | $210.85 | $224.64 | $198.59 | $203.18 | 92,559,932 |
February 2026 | $244.58 | $247.95 | $201.59 | $212.60 | 79,275,200 |
January 2026 | $254.92 | $265.88 | $241.68 | $244.80 | 47,063,200 |
December 2025 | $250.30 | $265.66 | $249.51 | $255.12 | 54,943,500 |
November 2025 | $256.51 | $258.43 | $243.58 | $251.58 | 40,396,200 |
October 2025 | $288.22 | $289.36 | $254.43 | $256.51 | 41,536,300 |
September 2025 | $295.71 | $296.73 | $278.16 | $289.23 | 43,477,700 |
August 2025 | $301.95 | $303.98 | $292.79 | $298.07 | 30,520,100 |
July 2025 | $302.12 | $309.77 | $290.63 | $303.42 | 31,934,100 |
June 2025 | $314.88 | $321.84 | $290.92 | $302.34 | 37,043,700 |
May 2025 | $291.87 | $319.94 | $286.52 | $317.54 | 30,328,300 |
April 2025 | $297.89 | $301.91 | $265.93 | $293.23 | 45,788,200 |
March 2025 | $306.62 | $313.25 | $280.85 | $298.04 | 44,541,000 |
February 2025 | $294.29 | $307.06 | $293.72 | $305.82 | 29,138,700 |
January 2025 | $285.10 | $302.41 | $277.00 | $294.01 | 34,889,700 |
December 2024 | $296.99 | $297.05 | $279.09 | $284.04 | 40,091,900 |
November 2024 | $278.02 | $298.89 | $276.07 | $296.28 | 32,039,500 |
October 2024 | $268.53 | $283.97 | $263.96 | $279.20 | 34,811,900 |
September 2024 | $262.20 | $271.77 | $257.20 | $267.13 | 34,077,600 |
August 2024 | $250.08 | $265.82 | $246.32 | $265.00 | 31,151,100 |
July 2024 | $229.83 | $258.83 | $222.12 | $252.23 | 34,818,000 |
June 2024 | $233.17 | $241.70 | $226.90 | $229.25 | 32,494,900 |
May 2024 | $238.44 | $243.17 | $228.54 | $233.88 | 29,249,600 |
April 2024 | $239.10 | $239.32 | $228.92 | $230.99 | 32,352,100 |
