Costco (COST): year-to-date return
Each year starts at 1.0 on the previous Dec 31 close — see where the current year sits versus history.
Tip: Tap a cycle to isolate those years and see their average (dashed). Combine cycles, or pick individual years — they stack together. The current year is always shown in red.
ROI = price ÷ previous Dec 31 close. Incomplete years (dashed) are left out of averages and ranges.
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2026 year to date: +15.3% · 18th of 40 years
Costco (COST) is up 15.3% in 2026 as of Oct 15: 18th of 40 years at this point since 1987. In the median year it was up 13.6% by this date.
Measured from the previous Dec 31 close. Total return — dividends reinvested.
Costco (COST): return by year
| Year | Return |
|---|---|
| 2026 (to Oct 15) | +15.3% |
| 2025 | −5.4% |
| 2024 | +39.6% |
| 2023 | +49.0% |
| 2022 | −19.1% |
| 2021 | +51.8% |
| 2020 | +32.7% |
| 2019 | +45.7% |
| 2018 | +10.6% |
| 2017 | +22.4% |
| 2016 | +0.3% |
| 2015 | +18.9% |
| 2014 | +20.5% |
| 2013 | +21.8% |
| 2012 | +28.4% |
| 2011 | +16.7% |
| 2010 | +23.7% |
| 2009 | +14.3% |
| 2008 | −24.0% |
| 2007 | +33.2% |
| 2006 | +7.9% |
| 2005 | +3.2% |
| 2004 | +31.1% |
| 2003 | +32.5% |
| 2002 | −36.8% |
| 2001 | +11.1% |
| 2000 | −12.5% |
| 1999 | +26.4% |
| 1998 | +61.8% |
| 1997 | +77.6% |
| 1996 | +64.8% |
| 1995 | +18.5% |
| 1994 | −33.1% |
| 1993 | +6.2% |
| 1992 | −27.9% |
| 1991 | +28.0% |
| 1990 | −15.1% |
| 1989 | +23.3% |
| 1988 | +14.5% |
| 1987 | 0.0% |
| 1986 (since Jul 9) | −25.6% |