Mega-cap stocks
Costco
COST · as of Oct 11, 2026 8:00 PM ET
959.44
+12.52 +1.32% today
We're building this market's history from daily snapshots.
Check back in a few days.
Check back in a few days.
Change over selected period:
1W
+3.9%
1M
+6.0%
YTD
+11.3%
1Y
+3.2%
5Y
+114.7%
10Y
+537.7%
More: Mega-cap stocks
Delayed quotes for information only, not investment advice. Price history shows closing prices without dividends.