NASDAQ:ADP | Historical Stock Price | AUTOMATIC DATA PROCESSING INC

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1980-03-17 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.78$3.02$11.73$45.56$177.01$687.721980-03-172026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 1999

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1999-12-31$42.73$51.57512,443——
1999-12-30$43.37$52.351,099,785——
1999-12-29$42.48$51.271,010,889——
1999-12-28$41.44$50.021,014,042——
1999-12-27$41.93$50.611,264,337——
1999-12-23$41.64$50.26629,710——
1999-12-22$40.74$49.181,248,197——
1999-12-21$41.98$50.671,413,757——
1999-12-20$40.40$48.761,431,158——
1999-12-17$39.70$47.922,287,835——
1999-12-16$40.25$48.581,297,247——
1999-12-15$39.52$47.701,323,979——
1999-12-14$40.00$48.281,263,454——
1999-12-13$40.05$48.341,044,934——
1999-12-10$39.85$48.101,188,555——
1999-12-09$40.64$49.061,642,112——
1999-12-08$40.40$48.761,237,605——
1999-12-07$40.55$48.861,531,906——
1999-12-06$39.95$48.141,011,646——
1999-12-03$40.64$48.971,684,605——
1999-12-02$39.80$47.961,068,136——
1999-12-01$38.51$46.411,165,984——
1999-11-30$39.16$47.181,063,722——
1999-11-29$38.96$46.941,011,520——
1999-11-26$39.65$47.78339,065——
1999-11-24$39.60$47.721,527,998——
1999-11-23$38.91$46.881,393,078——
1999-11-22$39.70$47.841,443,515——
1999-11-19$40.00$48.201,164,093——
1999-11-18$39.75$47.901,438,597——
1999-11-17$40.20$48.44950,112——
1999-11-16$40.40$48.681,780,688——
1999-11-15$39.36$47.421,131,813——
1999-11-12$39.31$47.361,361,555——
1999-11-11$39.11$47.121,001,937——
1999-11-10$38.51$46.411,433,806——
1999-11-09$38.17$45.99880,761——
1999-11-08$38.56$46.471,331,797——
1999-11-05$37.87$45.631,532,537——
1999-11-04$37.03$44.612,105,252——
1999-11-03$37.37$45.031,644,760——
1999-11-02$37.72$45.451,229,031——
1999-11-01$38.12$45.931,184,520——
1999-10-29$38.22$46.051,781,067——
1999-10-28$37.72$45.451,794,433——
1999-10-27$37.32$44.971,236,470——
1999-10-26$37.37$45.031,051,491——
1999-10-25$37.42$45.091,643,121——
1999-10-22$37.62$45.331,856,596——
1999-10-21$36.38$43.841,254,880——
1999-10-20$36.48$43.961,482,478——
1999-10-19$35.24$42.461,040,269——
1999-10-18$35.09$42.291,205,073——
1999-10-15$34.94$42.112,029,218——
1999-10-14$36.08$43.481,549,686——
1999-10-13$35.59$42.88943,177——
1999-10-12$35.64$42.94892,362——
1999-10-11$36.03$43.421,245,549——
1999-10-08$35.79$43.121,617,776——
1999-10-07$35.04$42.231,186,789——
1999-10-06$35.19$42.401,120,086——
1999-10-05$34.80$41.931,338,606——
1999-10-04$35.49$42.761,349,450——
1999-10-01$34.80$41.931,886,102——
1999-09-30$35.39$42.643,416,370——
1999-09-29$34.30$41.331,316,035——
1999-09-28$33.71$40.611,402,030——
1999-09-27$34.15$41.152,219,367——
1999-09-24$33.66$40.551,497,483——
1999-09-23$33.06$39.841,286,025——
1999-09-22$33.21$40.021,412,118——
1999-09-21$33.31$40.141,448,307——
1999-09-20$33.95$40.911,224,617——
1999-09-17$33.61$40.491,159,301——
1999-09-16$33.36$40.201,027,912——
1999-09-15$33.16$39.961,321,835——
1999-09-14$33.85$40.79827,676——
1999-09-13$33.41$40.251,294,095——
1999-09-10$33.21$40.021,503,535——
1999-09-09$34.15$41.152,291,240——
1999-09-08$33.71$40.612,198,687——
1999-09-07$32.96$39.641,577,678——
1999-09-03$31.97$38.45966,883——
1999-09-02$31.43$37.801,051,239——
1999-09-01$31.87$38.332,176,999——
1999-08-31$31.18$37.501,583,605——
1999-08-30$30.88$37.14881,139——
1999-08-27$31.47$37.861,270,641——
1999-08-26$31.47$37.861,494,331——
1999-08-25$31.38$37.741,555,738——
1999-08-24$31.33$37.682,238,659——
1999-08-23$31.67$38.091,600,753——
1999-08-20$31.67$38.09871,808——
1999-08-19$31.43$37.801,133,956——
1999-08-18$32.12$38.631,208,603——
1999-08-17$32.22$38.751,440,993——
1999-08-16$32.12$38.631,173,676——
1999-08-13$32.12$38.632,438,138——
1999-08-12$31.72$38.151,424,475——
1999-08-11$30.93$37.201,269,506——
1999-08-10$30.14$36.251,428,384——
1999-08-09$31.23$37.56643,201——
1999-08-06$31.52$37.921,218,565——
1999-08-05$31.52$37.921,476,804——
1999-08-04$31.13$37.441,109,494——
1999-08-03$31.47$37.861,473,399——
1999-08-02$31.28$37.621,280,603——
1999-07-30$31.77$38.211,171,028——
1999-07-29$32.02$38.511,031,821——
1999-07-28$32.61$39.231,285,016——
1999-07-27$32.52$39.112,184,187——
1999-07-26$32.71$39.351,182,754——
1999-07-23$33.01$39.701,663,043——
1999-07-22$33.06$39.761,541,237——
1999-07-21$35.24$42.391,227,644——
1999-07-20$34.70$41.73965,370——
1999-07-19$35.24$42.391,110,629——
1999-07-16$35.44$42.631,334,066——
1999-07-15$34.10$41.021,292,077——
1999-07-14$34.40$41.37954,778——
1999-07-13$34.10$41.02729,071——
1999-07-12$34.30$41.25600,078——
1999-07-09$34.55$41.55925,524——
1999-07-08$34.45$41.431,274,676——
1999-07-07$35.24$42.39826,919——
1999-07-06$34.75$41.791,000,424——
1999-07-02$35.39$42.57980,501——
1999-07-01$35.09$42.211,002,819——
1999-06-30$34.89$41.971,437,715——
1999-06-29$34.85$41.911,401,022——
1999-06-28$33.26$40.001,142,783——
1999-06-25$32.61$39.231,015,176——
1999-06-24$31.92$38.39962,848——
1999-06-23$32.71$39.35903,458——
1999-06-22$32.71$39.351,140,639——
1999-06-21$32.91$39.58894,757——
1999-06-18$33.51$40.301,750,552——
1999-06-17$32.71$39.351,231,048——
1999-06-16$33.01$39.70982,644——
1999-06-15$32.47$39.051,256,141——
1999-06-14$31.87$38.33914,680——
1999-06-11$31.52$37.921,846,131——
1999-06-10$32.32$38.87862,856——
1999-06-09$32.57$39.17786,822——
1999-06-08$32.57$39.101,248,449——
1999-06-07$32.52$39.041,177,711——
1999-06-04$33.85$40.641,061,327——
1999-06-03$33.80$40.581,464,699——
1999-06-02$33.21$39.871,858,992——
1999-06-01$32.22$38.682,615,552——
1999-05-28$32.66$39.221,189,942——
1999-05-27$32.57$39.102,213,440——
1999-05-26$33.80$40.582,633,835——
1999-05-25$34.30$41.181,864,162——
1999-05-24$35.19$42.251,238,488——
1999-05-21$35.74$42.90965,874——
1999-05-20$35.44$42.551,857,101——
1999-05-19$34.89$41.891,257,654——
1999-05-18$34.80$41.771,675,905——
1999-05-17$35.29$42.37859,830——
1999-05-14$35.24$42.311,073,936——
1999-05-13$35.69$42.851,118,825——
1999-05-12$35.54$42.671,626,224——
1999-05-11$35.09$42.131,100,542——
1999-05-10$34.85$41.831,075,323——
1999-05-07$35.49$42.611,633,916——
1999-05-06$35.54$42.671,465,203——
1999-05-05$35.64$42.791,367,607——
1999-05-04$35.29$42.371,082,384——
1999-05-03$35.29$42.371,134,713——
1999-04-30$35.29$42.371,717,894——
1999-04-29$36.18$43.442,353,782——
1999-04-28$35.79$42.961,625,215——
1999-04-27$36.33$43.621,834,152——
1999-04-26$36.63$43.982,694,990——
1999-04-23$35.74$42.903,029,642——
1999-04-22$34.05$40.882,662,332——
1999-04-21$32.76$39.332,496,772——
1999-04-20$31.33$37.613,091,806——
1999-04-19$31.92$38.321,727,855——
1999-04-16$32.22$38.681,297,121——
1999-04-15$32.32$38.801,415,270——
1999-04-14$32.66$39.221,242,270——
1999-04-13$33.31$39.992,144,089——
1999-04-12$33.11$39.752,037,288——
1999-04-09$32.81$39.391,511,984——
1999-04-08$32.42$38.921,589,153——
1999-04-07$31.82$38.202,035,397——
1999-04-06$32.12$38.561,343,019——
1999-04-05$33.11$39.751,307,839——
1999-04-01$32.81$39.391,326,501——
1999-03-31$32.81$39.392,110,926——
1999-03-30$32.37$38.861,458,898——
1999-03-29$32.02$38.441,800,611——
1999-03-26$30.73$36.891,662,287——
1999-03-25$31.23$37.491,622,315——
1999-03-24$31.52$37.851,354,619——
1999-03-23$31.33$37.611,798,341——
1999-03-22$32.12$38.561,703,519——
1999-03-19$31.62$37.973,440,706——
1999-03-18$32.52$39.042,419,350——
1999-03-17$31.52$37.851,994,164——
1999-03-16$30.88$37.072,394,132——
1999-03-15$30.33$36.422,515,181——
1999-03-12$30.78$36.951,264,715——
1999-03-11$30.78$36.951,567,717——
1999-03-10$30.73$36.891,397,491——
1999-03-09$31.13$37.301,916,365——
1999-03-08$31.52$37.771,742,230——
1999-03-05$31.47$37.711,400,643——
1999-03-04$31.13$37.302,066,037——
1999-03-03$31.13$37.301,520,684——
1999-03-02$31.38$37.601,273,163——
1999-03-01$31.33$37.542,180,404——
1999-02-26$31.52$37.771,737,312——
1999-02-25$31.97$38.311,673,887——
1999-02-24$32.57$39.021,365,968——
1999-02-23$33.11$39.671,182,754——
1999-02-22$33.26$39.851,577,174——
1999-02-19$32.02$38.371,217,808——
1999-02-18$32.47$38.902,113,827——
1999-02-17$32.66$39.141,043,547——
1999-02-16$32.81$39.32964,613——
1999-02-12$32.61$39.081,089,824——
1999-02-11$33.21$39.791,348,945——
1999-02-10$32.52$38.961,593,944——
1999-02-09$31.97$38.311,036,108——
1999-02-08$32.52$38.961,983,698——
1999-02-05$33.11$39.671,736,430——
1999-02-04$33.66$40.331,844,113——
1999-02-03$33.31$39.911,142,657——
1999-02-02$33.31$39.911,549,560——
1999-02-01$33.41$40.032,364,878——
1999-01-29$33.75$40.453,077,557——
1999-01-28$31.92$38.252,648,588——
1999-01-27$30.33$36.351,432,923——
1999-01-26$30.14$36.111,488,530——
1999-01-25$30.14$36.111,646,399——
1999-01-22$29.99$35.931,940,575——
1999-01-21$30.19$36.171,553,847——
1999-01-20$30.98$37.121,792,793——
1999-01-19$31.33$37.543,072,135——
1999-01-15$30.29$36.294,757,749——
1999-01-14$29.34$35.165,953,995——
1999-01-13$31.33$37.541,765,053——
1999-01-12$31.13$37.301,877,024——
1999-01-11$32.47$38.901,609,832——
1999-01-08$32.81$39.321,907,412——
1999-01-07$33.16$39.732,068,811——
1999-01-06$32.61$39.082,191,374——
1999-01-05$31.87$38.191,872,863——
1999-01-04$32.17$38.551,678,301——