Automatic Data Processing, Inc. (ADP)
NASDAQ: ADP · Real-Time Price · USD
271.22
-1.02 (-0.37%)
At close: Sep 18, 2026, 4:00 PM EDT
271.60
+0.38 (0.14%)
After-hours: Sep 18, 2026, 7:34 PM EDT
Automatic Data Processing Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | 271.61 | 272.24 | 268.99 | 271.22 | 271.22 | -0.37% | 6,593,966 |
| Sep 17, 2026 | 271.31 | 273.30 | 270.18 | 272.24 | 272.24 | -0.35% | 1,720,292 |
| Sep 16, 2026 | 273.30 | 277.62 | 271.96 | 273.19 | 273.19 | -1.21% | 2,478,665 |
| Sep 15, 2026 | 273.96 | 278.52 | 273.54 | 276.53 | 276.53 | -0.04% | 2,177,514 |
| Sep 14, 2026 | 272.53 | 277.27 | 271.08 | 276.63 | 276.63 | 3.12% | 2,177,423 |
| Sep 11, 2026 | 265.82 | 268.59 | 265.00 | 268.26 | 268.26 | 0.99% | 1,453,247 |
| Sep 10, 2026 | 265.83 | 268.73 | 265.15 | 267.33 | 265.63 | 0.80% | 1,652,724 |
| Sep 9, 2026 | 267.42 | 268.30 | 264.86 | 265.22 | 263.53 | -1.02% | 1,757,531 |
| Sep 8, 2026 | 274.30 | 274.56 | 267.55 | 267.96 | 266.26 | -3.48% | 1,814,231 |
| Sep 4, 2026 | 280.47 | 280.67 | 276.45 | 277.62 | 275.85 | -2.08% | 2,209,693 |
| Sep 3, 2026 | 282.91 | 287.63 | 281.40 | 283.53 | 281.73 | 0.84% | 2,346,517 |
| Sep 2, 2026 | 283.00 | 283.00 | 278.08 | 281.16 | 279.37 | -0.82% | 1,829,172 |
| Sep 1, 2026 | 286.67 | 288.00 | 282.93 | 283.49 | 281.69 | -0.93% | 1,782,300 |
| Aug 31, 2026 | 285.59 | 287.32 | 284.93 | 286.16 | 284.34 | -0.46% | 1,569,218 |
| Aug 28, 2026 | 285.00 | 287.86 | 285.00 | 287.48 | 285.65 | 0.98% | 1,761,297 |
| Aug 27, 2026 | 279.80 | 286.17 | 279.17 | 284.68 | 282.87 | 1.17% | 1,767,023 |
| Aug 26, 2026 | 280.89 | 284.01 | 280.87 | 281.39 | 279.60 | -0.49% | 1,222,504 |
| Aug 25, 2026 | 280.07 | 283.41 | 279.31 | 282.78 | 280.98 | -0.08% | 2,248,434 |
| Aug 24, 2026 | 280.90 | 285.59 | 280.90 | 283.01 | 281.21 | 0.78% | 2,449,167 |
| Aug 21, 2026 | 279.70 | 282.17 | 277.00 | 280.81 | 279.02 | 0.57% | 2,609,723 |
| Aug 20, 2026 | 277.50 | 281.67 | 276.93 | 279.21 | 277.43 | 0.72% | 1,685,071 |
| Aug 19, 2026 | 269.98 | 278.96 | 269.91 | 277.22 | 275.46 | 2.94% | 2,355,130 |
| Aug 18, 2026 | 270.91 | 274.63 | 269.14 | 269.31 | 267.60 | 1.22% | 3,344,488 |
| Aug 17, 2026 | 269.54 | 269.94 | 265.82 | 266.06 | 264.37 | -2.53% | 2,289,425 |
| Aug 14, 2026 | 276.87 | 277.33 | 271.43 | 272.96 | 271.22 | -1.18% | 1,457,391 |
| Aug 13, 2026 | 271.01 | 276.88 | 268.73 | 276.23 | 274.47 | 2.56% | 1,911,789 |
| Aug 12, 2026 | 269.20 | 271.03 | 265.90 | 269.33 | 267.62 | -0.65% | 2,159,933 |
| Aug 11, 2026 | 270.67 | 273.14 | 269.49 | 271.09 | 269.37 | -0.94% | 2,105,729 |
| Aug 10, 2026 | 268.93 | 273.72 | 268.01 | 273.68 | 271.93 | 0.87% | 1,703,339 |
| Aug 7, 2026 | 272.78 | 275.28 | 270.14 | 271.32 | 269.59 | -0.80% | 2,119,293 |
| Aug 6, 2026 | 271.16 | 273.81 | 269.20 | 273.51 | 271.77 | 1.27% | 2,747,855 |
| Aug 5, 2026 | 274.97 | 274.97 | 266.73 | 270.09 | 268.37 | -0.20% | 1,931,813 |
| Aug 4, 2026 | 264.41 | 270.80 | 263.36 | 270.62 | 268.90 | 0.31% | 2,586,534 |
| Aug 3, 2026 | 270.80 | 275.56 | 268.29 | 269.78 | 268.06 | 1.25% | 3,103,761 |
| Jul 31, 2026 | 260.14 | 266.93 | 258.99 | 266.46 | 264.77 | 0.98% | 2,494,563 |
| Jul 30, 2026 | 265.44 | 267.47 | 256.90 | 263.87 | 262.19 | -3.48% | 2,895,460 |
| Jul 29, 2026 | 264.88 | 280.59 | 261.50 | 273.37 | 271.63 | 3.48% | 4,624,457 |
| Jul 28, 2026 | 259.37 | 268.17 | 258.18 | 264.17 | 262.49 | 3.60% | 3,689,351 |
| Jul 27, 2026 | 251.18 | 257.74 | 251.18 | 254.98 | 253.36 | 1.96% | 1,724,230 |
| Jul 24, 2026 | 244.56 | 250.84 | 243.57 | 250.09 | 248.50 | 2.97% | 1,763,767 |
| Jul 23, 2026 | 242.99 | 244.80 | 240.40 | 242.88 | 241.34 | -0.10% | 2,009,494 |
| Jul 22, 2026 | 249.25 | 249.25 | 241.65 | 243.12 | 241.57 | -1.26% | 2,011,513 |
| Jul 21, 2026 | 250.73 | 253.35 | 246.02 | 246.22 | 244.65 | -3.53% | 2,842,793 |
| Jul 20, 2026 | 254.31 | 256.01 | 251.01 | 255.24 | 253.62 | -0.01% | 2,776,132 |
| Jul 17, 2026 | 257.98 | 261.31 | 251.45 | 255.27 | 253.64 | -0.50% | 2,675,836 |
| Jul 16, 2026 | 252.23 | 257.36 | 251.93 | 256.56 | 254.93 | 3.67% | 2,661,660 |
| Jul 15, 2026 | 246.74 | 251.06 | 245.47 | 247.47 | 245.90 | 0.42% | 1,872,944 |
| Jul 14, 2026 | 244.96 | 247.81 | 243.29 | 246.44 | 244.87 | -1.84% | 2,191,173 |
| Jul 13, 2026 | 244.33 | 251.64 | 243.78 | 251.05 | 249.45 | 3.77% | 2,573,431 |
| Jul 10, 2026 | 243.59 | 244.30 | 240.21 | 241.92 | 240.38 | 0.27% | 1,243,047 |