All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

CMCSA: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

CMCSA real return snapshot: after CPI-U inflation, CMCSA returned −16.18% over the past year and −5.69% YTD, with dividends reinvested. Since Mar. 17, 1980, CMCSA is up +12,206.64% in real purchasing-power return, or +10.91%/yr, and is currently −56.27% below its real total-return high on Sep. 2, 2021.

Data ending Tue Sep. 8, 2026

Growth of $10,000

Mon 1980-03-17💬 to Tue 2026-09-08 Overall
Return 		Exponential
Trendline
CMCSA × 		+12,206.64%
+10.91%/yr 		+10.54%/yr
R2=0.887
Comcast Corp NASDAQ Common Stock

Growth of $10,000 Summary

Mon 1980-03-17💬 to Tue 2026-09-08 Start
Value 		End
Value
CMCSA × 		$10,000.00
1980-03-17 		$1,230,664.06
2026-09-08

This Year’s Performance

through 2026-09-08

  YTD YoY
CMCSA × 		−5.69% −16.18%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
CMCSA × 		−56.27%
on 2026-09-08
from 2021-09-02 peak 		−74.54%
on 2009-03-09
from 1999-12-23 peak

Rolling Returns

Period ending Tue 2026-09-08 1 yr 2 yr 3 yr 5 yr 10 yr
CMCSA × 		−16.18% −27.69%
−14.97%/yr 		−36.14%
−13.89%/yr 		−55.08%
−14.79%/yr 		−20.75%
−2.30%/yr

Annual Returns

Year CMCSA
2026 (YTD) −5.69%
2025 −19.50%
2024 −14.31%
2023 +24.89%
2022 −33.01%
2021 −8.65%
2020 +17.53%
2019 +31.05%
2018 −14.34%
2017 +15.03%
2016 +22.45%
2015 −1.80%
2014 +12.22%
2013 +39.47%
2012 +57.97%
2011 +7.29%
2010 +31.17%
2009 −1.04%
2008 −6.70%
2007 −37.84%
2006 +59.30%
2005 −24.70%
2004 −1.71%
2003 +36.55%
2002 −36.05%
2001 −14.19%
2000 −16.54%
1999 +62.40%
1998 +77.75%
1997 +78.58%
1996 −0.03%
1995 +14.27%
1994 −37.99%
1993 +83.88%
1992 +13.36%
1991 +24.95%
1990 −25.42%
1989 +47.79%
1988 −1.50%
1987 +38.40%
1986 +17.31%
1985 +60.67%
1984 +23.55%
1983 +29.38%
1982 +24.89%
1981 −7.02%
1980 +84.19%