Daily trading records
ACM Research Stock Price on August 18, 2026
Direct answer
ACM Research closed at $84.37 on August 18, 2026.
The open was $80.795, the high was $84.99 and the low was $78.04.
Volume was 2,461,438. The change from the prior close was -$1.27 (-1.48%).
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Review ACM Research's price trend and period performance.
The chart connects verified session closes from May 21, 2026 through August 18, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+5.57%
From the August 11, 2026 close of $79.92 to $84.37 on August 18, 2026.
20-session performance
-11.44%
From the July 21, 2026 close of $95.27 to $84.37 on August 18, 2026.
60-session performance
+17.85%
From the May 21, 2026 close of $71.59 to $84.37 on August 18, 2026.
Verified data
- Open
- $80.795
- High
- $84.99
- Low
- $78.04
- Close
- $84.37
- Volume
- 2,461,438
- Prior-close change
- -$1.27 (-1.48%)
Explore related company data
Read the frequently asked questions.
What was ACM Research's closing price on August 18, 2026?
ACM Research closed at $84.37 on August 18, 2026.
What were ACM Research's open, high and low on August 18, 2026?
The open was $80.795, the high was $84.99 and the low was $78.04.
How much did ACM Research change from the prior close on August 18, 2026?
The change from the prior close was -$1.27 (-1.48%).
What was ACM Research's volume on August 18, 2026?
Trading volume was 2,461,438 shares.
What is the source for ACM Research's daily prices?
Daily aggregate prices are provided by Polygon.