Daily trading records
Costco Wholesale Stock Price on August 12, 2026
Direct answer
Costco Wholesale closed at $949.575 on August 12, 2026.
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Review Costco Wholesale's price trend and period performance.
The chart connects verified session closes from May 15, 2026 through August 12, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+0.81%
From the August 5, 2026 close of $941.99 to $949.575 on August 12, 2026.
20-session performance
+3.60%
From the July 15, 2026 close of $916.54 to $949.575 on August 12, 2026.
60-session performance
-9.47%
From the May 15, 2026 close of $1,048.95 to $949.575 on August 12, 2026.
Verified data
- Open
- $937.40
- High
- $951.3886
- Low
- $935.05
- Close
- $949.575
- Volume
- 1,312,226
- Prior-close change
- +$5.255 (+0.56%)
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Read the frequently asked questions.
What was Costco Wholesale's closing price on August 12, 2026?
Costco Wholesale closed at $949.575 on August 12, 2026.
What were Costco Wholesale's open, high and low on August 12, 2026?
The open was $937.40, the high was $951.3886 and the low was $935.05.
How much did Costco Wholesale change from the prior close on August 12, 2026?
The change from the prior close was +$5.255 (+0.56%).
What was Costco Wholesale's volume on August 12, 2026?
Trading volume was 1,312,226 shares.
What is the source for Costco Wholesale's daily prices?
Daily aggregate prices are provided by Polygon.