What if I had invested $1,000 in Costco Wholesale Corp in 1988?

What if I had invested? › Costco Wholesale Corp

$1,000 in Costco Wholesale Corp in 1988

$1,000 put into Costco Wholesale Corp (COST) on January 4, 1988, its first trading day of 1988 in our data, was worth $923,594 on September 23, 2026, with dividends counted to the end of 2024. Over the same days to July 31, 2026, $1,000 in the whole US stock market became $66,406.

$1,000 became$923,594by September 23, 2026

Total return924 timesthe money put in, dividends counted to 2024

A year, on average+19.3%over 38.7 years

The whole US market$66,406same days to July 31, 2026, dividends counted; COST by then: $971,770

The S&P 500 index$30,109price only, no dividends

Bought at the close on January 4, 1988, dividends put back in, no costs and no tax. Dividends are counted to the end of 2024; from 2025 on our prices are adjusted for splits only, so dividends paid since then are left out. The stock figure counts dividends; the S&P 500 index figure does not, so compare the stock with the whole-market figure. The market figure is the Fama-French US market return (Kenneth R. French data library), which runs to July 31, 2026. Our stock prices run to September 23, 2026.

Another stock, another year

Costco Wholesale Corp in: 1985 · 1986 · 1987 · 1989 · 1990 · 1991 · 1992 · 1993 · 1994 · 1995 · 1996 · 1997 · 1998 · 1999 · 2000 · 2001 · 2002 · 2003 · 2004 · 2005 · 2006 · 2007 · 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

Also in 1988

Apple Inc. · $1,000 became $1,090,115
Microsoft · $1,000 became $2,087,305
Micron Technology · $1,000 became $769,355
Lilly (Eli) · $1,000 became $317,767
Walmart · $1,000 became $161,750
Jpmorgan Chase & Co · $1,000 became $159,219
Advanced Micro Devices · $1,000 became $115,725
Oracle Corporation · $1,000 became $947,910

Ask the Lab what the market did next

History, not advice. How these numbers are made.