$1,000 in Costco Wholesale Corporation in 2016 → $7,073 today
If you'd invested $1,000 in Costco Wholesale Corporation (COST) on January 1, 2016 — at the December 2015 month-end close of $135 — and held to the latest close (2026-08-), you'd have $7,073. That's a +607.3% total return — beating the S&P 500, where the same $1,000 became $3,771.
Nearby years: 2012 · 2013 · 2014 · 2015 · 2017 · 2018 · 2019 · 2020 all years →
FAQ
How much is $1,000 invested in COST in 2016 worth today?
$1,000 invested in Costco Wholesale Corporation (COST) at the month-end close of 2015-12- would be worth $7,073 at the latest month-end close (2026-08-), a total return of +607.3% with dividends reinvested.
Did $1,000 in COST in 2016 beat the market?
Over the same span, $1,000 in the S&P 500 index would be worth $3,771 — so Costco Wholesale Corporation (COST) beat the index by +87.6%.
What does "month-end close" mean for this calculation?
The scenario invests at the December 2015 month-end close (the price entering 2016) and values the position at the most recent month-end close (2026-08-). Intra-month extremes are shown on the COST calculator page.
Is the 2016–2026 return in COST typical?
No single year is typical. COST's best calendar-year return since 1986 was about +77.5%, and its worst was -36.8%.
Methodology
Costco Wholesale Corporation (COST) total-return data from January 2016 through the latest month-end close (2026-08-).
The entry price is the 2015 December month-end close and the exit is the latest available month-end close, both from adjusted (split and dividend) Yahoo Finance historical data.
Month-end resolution, no taxes or fees, and history never guarantees the future. For exact-date precision (including buying at a panic low), use the COST calculator page.
Compute your own COST scenario
Data: Yahoo Finance. As of 2026-08-. Not financial advice.