Borsa Italiana · 1OMC · stock

Omnicom Group Inc. (1OMC) stock price history

Every Borsa Italiana trading session of Omnicom Group Inc. from Jun 30, 2025 to Sep 25, 2026: 316 daily bars, adjusted for splits and dividends, with minute bars from Sep 18, 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.

1OMC adjusted close, 2025 to 2026

1OMCOmnicom Group Inc.
€66.30+6.4% over one year
2026
€75.60
All time high, 2026
€75.60
52 week high, €56.83 low
316
Daily sessions since 2025

Last updated Sep 25, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.

1OMC key facts

  • Omnicom Group Inc. (1OMC) closed at €66.30 on Sep 25, 2026 on Borsa Italiana.
  • 1OMC's all time high close is €75.60, set on Jul 28, 2026; its all time low close is €56.52 on Feb 18, 2026.
  • 1OMC's 52 week range is €56.83 to €75.60.
  • 1OMC returned +6.4% over the year to Sep 25, 2026.
  • Since Jun 30, 2025 1OMC returned +15%, +12.0% a year compounded.
  • 1OMC's deepest drawdown was -16.3% from Jan 9, 2026 to Feb 18, 2026.
  • DataCedar holds 316 daily sessions of 1OMC history from Jun 30, 2025 and minute bars from Sep 18, 2026, adjusted for splits and dividends, served by the API under a key.

1OMC price chart, 2025 to 2026

1OMC adjusted close, Jun 30, 2025 to Sep 25, 2026€56.52€62.88€69.24€75.6020252026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

1OMC returns

Price return from the last close on or before the window start to Sep 25, 2026, on adjusted closes.

PeriodReturn
1 month-0.6%
3 months+6.1%
6 months-2.2%
Year to date-1.9%
1 year+6.4%
3 yearsn/a
5 yearsn/a
10 yearsn/a
Since Jun 30, 2025+15.1%
Compound annual growth, 1.2 years+12.0%

1OMC records

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

All time high close
€75.60 on Jul 28, 2026
All time low close
€56.52 on Feb 18, 2026
52 week high
€75.60 on Jul 28, 2026
52 week low
€56.83 on Feb 6, 2026
Deepest drawdown
-16.3% from Jan 9, 2026 to Feb 18, 2026, recovered Feb 20, 2026
Best single session
+15.2% on Feb 19, 2026
Worst single session
-12.6% on Sep 9, 2026
Volatility, 1 year annualised
37.3%
Sessions closing higher, 1 year
8%

1OMC 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. 2025 starts on Jun 30, 2025; 2026 runs to Sep 25, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026€67.56€75.13€56.83€66.30-1.9%2.4K188
2025€57.68€67.56€57.63€67.56n/a975128

1OMC monthly closes, last 12 months

MonthMonth end closeChange
September 2026€66.30-11.8%
August 2026€75.13+12.6%
July 2026€66.71+3.0%
June 2026€64.75+5.6%
May 2026€61.30-7.9%
April 2026€66.59-1.7%
March 2026€67.76+1.2%
February 2026€66.98+3.6%
January 2026€64.63-4.3%
December 2025€67.56+5.8%
November 2025€63.830.0%
October 2025€63.83-4.9%

About the 1OMC data

Daily bars. 316 sessions from Jun 30, 2025 to Sep 25, 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 18, 2026 forward, most recent session Sep 25, 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 Jun 30, 2025, 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/1OMC/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

1OMC share price history

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