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

Total Real Returns

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

COST real return snapshot: after CPI-U inflation, COST returned +3.08% over the past year and +10.84% YTD, with dividends reinvested. Since Nov. 27, 1985, COST is up +29,574.23% in real purchasing-power return, or +14.93%/yr, and is currently −12.45% below its real total-return high on Feb. 13, 2025.

Data ending Tue Oct. 27, 2026

Growth of $10,000

Wed 1985-11-27💬 to Tue 2026-10-27 Overall
Return
Exponential
Trendline
COST
×
+29,574.23%
+14.93%/yr
+13.27%/yr
R2=0.943
Costco Wholesale Corp NASDAQ Common Stock

Growth of $10,000 Summary

Wed 1985-11-27💬 to Tue 2026-10-27 Start
Value
End
Value
COST
×
$10,000.00
1985-11-27
$2,967,422.54
2026-10-27

This Year’s Performance

through 2026-10-27

  YTD YoY
COST
×
+10.84% +3.08%

Drawdowns

  Current
Drawdown
Worst
Drawdown
COST
×
−12.45%
on 2026-10-27
from 2025-02-13 peak
−73.26%
on 1995-01-13
from 1992-01-15 peak

Rolling Returns

Period ending Tue 2026-10-27 1 yr 2 yr 3 yr 5 yr 10 yr
COST
×
+3.08% +5.13%
+2.53%/yr
+73.14%
+20.08%/yr
+75.05%
+11.85%/yr
+456.93%
+18.74%/yr

Annual Returns

Year COST
2026 (YTD) +10.84%
2025 −7.86%
2024 +35.71%
2023 +44.18%
2022 −23.97%
2021 +41.84%
2020 +30.88%
2019 +42.45%
2018 +8.53%
2017 +19.84%
2016 −1.76%
2015 +18.08%
2014 +19.56%
2013 +20.03%
2012 +26.21%
2011 +13.38%
2010 +21.86%
2009 +11.29%
2008 −24.06%
2007 +27.98%
2006 +5.26%
2005 −0.23%
2004 +27.01%
2003 +30.06%
2002 −38.24%
2001 +9.43%
2000 −15.34%
1999 +23.10%
1998 +59.20%
1997 +74.64%
1996 +59.46%
1995 +15.51%
1994 −34.86%
1993 −23.53%
1992 −35.94%
1991 +124.22%
1990 +28.99%
1989 +133.13%
1988 +84.29%
1987 −40.93%
1986 +12.00%
1985 +10.19%