Borsa Italiana · 1ADP · stock

Automatic Data Processing, Inc. (1ADP) stock price history

Every Borsa Italiana trading session of Automatic Data Processing, Inc. from Jan 3, 2024 to Sep 28, 2026: 693 daily bars, adjusted for splits and dividends, with minute bars from Sep 22, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

1ADP adjusted close, 2024 to 2026

1ADPAutomatic Data Processing, Inc.
€230.75-2.6% over one year
20252026
€295.06
All time high, 2025
€244.98
52 week high, €160.19 low
693
Daily sessions since 2024

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2024 to 2026 series and minute bars.

1ADP key facts

  • Automatic Data Processing, Inc. (1ADP) closed at €230.75 on Sep 28, 2026 on Borsa Italiana.
  • 1ADP's all time high close is €295.06, set on Mar 14, 2025; its all time low close is €160.19 on Apr 10, 2026.
  • 1ADP's 52 week range is €160.19 to €244.98.
  • 1ADP returned -2.6% over the year to Sep 28, 2026.
  • Since Jan 3, 2024 1ADP returned +17%, +5.8% a year compounded.
  • 1ADP's deepest drawdown was -45.7% from Apr 3, 2025 to Apr 10, 2026.
  • DataCedar holds 693 daily sessions of 1ADP history from Jan 3, 2024 and minute bars from Sep 22, 2026, adjusted for splits and dividends, served by the API under a key.

1ADP price chart, 2024 to 2026

1ADP adjusted close, Jan 3, 2024 to Sep 28, 2026€160.19€205.15€250.11€295.06202420252026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

1ADP returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-5.9%
3 months+19.2%
6 months+31.9%
Year to date+7.5%
1 year-2.6%
3 yearsn/a
5 yearsn/a
10 yearsn/a
Since Jan 3, 2024+16.7%
Compound annual growth, 2.7 years+5.8%

1ADP records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
€295.06 on Mar 14, 2025
All time low close
€160.19 on Apr 10, 2026
52 week high
€244.98 on Aug 31, 2026
52 week low
€160.19 on Apr 13, 2026
Deepest drawdown
-45.7% from Apr 3, 2025 to Apr 10, 2026, not yet recovered
Best single session
+13.5% on Jul 31, 2024
Worst single session
-10.7% on Apr 4, 2025
Volatility, 1 year annualised
28.8%
Sessions closing higher, 1 year
19%
Best calendar year
2025, -22%
Worst calendar year
2025, -22%

1ADP price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2024 starts on Jan 3, 2024; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026€214.56€244.98€160.19€230.75+7.5%2.8K189
2025€276.03€298.87€208.68€214.56-22.3%601252
2024€196.45€283.23€196.45€276.03n/a607252

1ADP monthly closes, last 12 months

MonthMonth end closeChange
September 2026€230.75-5.8%
August 2026€244.98+8.1%
July 2026€226.72+16.8%
June 2026€194.14+3.8%
May 2026€187.02+5.3%
April 2026€177.53+0.6%
March 2026€176.43-0.0%
February 2026€176.47-14.9%
January 2026€207.40-3.3%
December 2025€214.56+0.8%
November 2025€212.89-2.5%
October 2025€218.26-9.7%

About the 1ADP data

Daily bars. 693 sessions from Jan 3, 2024 to Sep 28, 2026, one row per Borsa Italiana trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Sep 22, 2026 forward, most recent session Sep 24, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are Borsa Italiana trading days; minute timestamps are UTC. Prices are in EUR. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jan 3, 2024, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/1ADP/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

1ADP share price history

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