Omnicom Group (OMC)

S&P 500 · Communication Services · data since 1980-03-17 · last close 2026-09-09

Latest available close Sep 9, 2026Data updated Sep 10, 2026, 04:33 UTCMarket Exchange session close
1d
-3.49%
Rank 285 of 11,714
7d
-4.23%
30d
-7.50%
YTD
-1.02%
1y
+3.84%

Omnicom Group (OMC) monthly returns (%)

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026-4.610.7-10.81.9-5.21.28.111.2-10.5···
20250.9-4.61.0-8.1-3.6-1.10.18.75.0-8.0-4.513.9
20244.5-2.210.3-4.00.1-2.89.32.43.6-2.33.8-17.3
20235.45.35.0-4.0-2.68.7-11.1-4.3-7.20.67.68.2
20222.911.32.1-10.3-2.0-13.99.8-4.2-4.715.39.63.2
20210.010.28.910.9-0.0-1.9-9.00.6-0.1-6.0-1.19.9
2020-7.0-8.0-20.03.9-3.90.8-1.60.7-7.4-4.733.50.0
20196.3-2.8-2.79.7-3.36.8-2.1-5.23.8-1.43.02.8
20185.3-0.6-3.91.4-2.16.7-9.80.7-1.09.33.6-4.1
20170.6-0.62.0-4.71.9-0.3-5.0-8.13.1-9.36.32.8
2016-3.06.17.7-0.30.4-1.61.04.7-0.7-6.18.9-1.5
2015-6.09.3-1.3-2.9-1.6-6.15.2-8.3-0.913.7-1.33.0
2014-2.44.8-4.1-6.85.10.8-1.72.9-3.74.47.50.9
20138.76.03.11.54.01.92.2-5.65.27.44.94.7
20122.38.43.11.3-7.12.63.32.40.9-7.13.81.1
2011-2.013.4-3.10.3-4.93.5-2.6-13.6-8.620.7-3.03.9
2010-9.83.76.59.9-11.0-9.18.6-6.013.311.33.41.2
2009-3.8-7.2-2.034.5-3.14.07.76.82.1-7.27.17.0
2008-4.5-1.5-0.88.12.7-8.1-4.9-0.7-8.7-23.4-4.2-4.3
20070.6-1.5-1.02.30.60.7-2.0-1.8-5.36.0-4.4-2.2
2006-3.9-2.44.68.15.7-6.1-0.7-1.27.48.40.72.6
20050.77.3-2.6-6.3-1.2-2.26.3-5.24.2-0.81.90.9
2004-5.7-0.7-1.6-0.90.5-4.7-5.1-4.56.58.02.74.4
2003-6.7-12.12.614.312.83.03.05.7-7.811.1-0.29.9
2002-2.27.11.1-7.6-1.0-46.816.413.5-7.73.518.1-4.8
200110.2-0.7-8.46.06.0-7.41.6-11.0-16.318.311.84.3
2000-6.30.5-0.4-2.7-7.86.3-4.6-1.8-12.426.5-14.85.6
199910.33.520.9-9.3-3.514.5-11.46.35.311.10.113.7
1998-4.312.83.20.7-1.26.85.3-9.3-5.310.37.78.8
19976.32.10.96.39.46.613.1-2.87.8-2.95.014.7
19963.75.810.6-3.60.67.0-12.912.03.56.22.8-9.9
1995-2.95.73.71.63.65.8-0.43.94.3-1.94.512.2
19946.0-0.3-1.71.6-3.03.45.4-1.50.96.0-2.1-0.1
19933.6-4.116.1-10.86.5-7.7-4.913.11.52.0-6.99.9
19929.02.9-2.75.1-3.10.5-6.14.23.58.22.66.6
19913.85.216.04.70.0-5.76.6-1.2-1.612.4-5.33.7
1990-8.3-2.12.7-1.67.66.7-0.5-8.1-8.8-22.027.48.9
19897.0-1.8-1.93.111.6-3.36.30.53.7-0.5-1.09.5
1988-3.83.34.44.3-8.93.3-3.24.01.35.7-3.6-0.7
198726.10.01.0-7.41.13.7-2.016.8-2.7-37.2-5.224.5
1986-4.92.611.320.2-10.8-0.5-11.63.6-16.7-4.818.8-0.7
198512.70.05.03.65.813.0-1.9-11.8-12.25.1-2.41.2
1984-7.9-8.612.5-8.312.16.8-21.5-1.68.24.50.02.9
19834.7-1.1-5.715.715.6-0.9-0.9-19.3-4.511.9-12.8-7.3
1982-11.3-6.3-1.75.23.31.6-1.619.1-13.37.7-2.925.0
1981-1.44.2-10.8-6.14.8-9.23.40.0-1.66.73.17.6
1980··-8.27.84.16.930.6-8.58.511.44.5-11.7
Avg0.61.81.51.90.7-0.10.3-0.0-1.42.83.03.8

Values in %. Current and first-listed months are partial (greyed).

returnsview.com

OMC seasonality — average by calendar month

Omnicom Group has monthly history back to 1980. Its strongest month by median is October — positive in 29 of 46 years, median +5.4%. August is the soft spot, down in 25 of 47 with a median of -0.7%. Across its full record it has closed 55% of months higher, swings ±8.2% in an average month and has fallen 61.2% peak to trough.

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Avg+0.6%+1.8%+1.5%+1.9%+0.7%-0.1%+0.3%-0.0%-1.2%+2.8%+3.0%+3.8%
Win rate52%/4652%/4655%/4760%/4751%/4757%/4745%/4747%/4748%/4663%/4661%/4674%/46

Win rate = share of positive months / sample size.

OMC risk & extremes

Max drawdown
-61.2%
Worst peak-to-trough fall on record
Monthly volatility
±8.2%
Std. dev. of monthly returns
Positive months
55%
Share of completed months in the green
Best month
+34.49%
2009-04
Worst month
-46.84%
2002-06
Longest streaks
9▲ / 10▼
Consecutive up / down months

OMC drawdown & rolling returns

-55%-27%0%

Percent below the all-time high at each month-end — how far underwater the asset was.

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Frequently asked questions

What was Omnicom Group's best month?+

Omnicom Group's strongest completed month on record is April 2009, at +34.49%.

What was Omnicom Group's worst month?+

Its weakest completed month on record is June 2002, at -46.84%.

Is Omnicom Group up this year?+

Omnicom Group is down 1.02% year to date, measured from its last close before 1 January.

What is Omnicom Group's 1-year return?+

+3.84% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.

What is Omnicom Group's biggest drawdown?+

The deepest peak-to-trough fall on record is 61.2%, measured on month-end closes since 1980.

Which calendar month is historically best for Omnicom Group?+

December has the highest average return across every completed December since 1980. An average is not a forecast.

About Omnicom Group

Omnicom Group is an S&P 500 company, a communication services business worth about $21 billion. It competes for the only truly scarce resource: your attention — with price receipts on this site going back to 1980. And the long game: $100 at its first close here (1980) would be about $17,191 today.

Did you know?

  • Its best month on record was April 2009 at +34.49%; its worst, June 2002 at -46.84%.
  • It has closed December in the green 34 out of 46 times — calendar astrology, but the fun kind.

Trivia for entertainment — the numbers come from our price data; the jokes don't.