Daily trading records
Lam Research Stock Price on July 21, 2026
Direct answer
Lam Research closed at $322.00 on July 21, 2026.
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Review Lam Research's price trend and period performance.
The chart connects verified session closes from April 23, 2026 through July 21, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-6.96%
From the July 14, 2026 close of $346.10 to $322.00 on July 21, 2026.
20-session performance
-21.38%
From the June 22, 2026 close of $409.54 to $322.00 on July 21, 2026.
60-session performance
+24.54%
From the April 23, 2026 close of $258.56 to $322.00 on July 21, 2026.
Verified data
- Open
- $328.13
- High
- $328.135
- Low
- $313.29
- Close
- $322.00
- Volume
- 11,936,456
- Prior-close change
- +$15.24 (+4.97%)
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Read the frequently asked questions.
What was Lam Research's closing price on July 21, 2026?
Lam Research closed at $322.00 on July 21, 2026.
What were Lam Research's open, high and low on July 21, 2026?
The open was $328.13, the high was $328.135 and the low was $313.29.
How much did Lam Research change from the prior close on July 21, 2026?
The change from the prior close was +$15.24 (+4.97%).
What was Lam Research's volume on July 21, 2026?
Trading volume was 11,936,456 shares.
What is the source for Lam Research's daily prices?
Daily aggregate prices are provided by Polygon.