Daily trading records
ACM Research Stock Price on August 17, 2026
Direct answer
ACM Research closed at $85.64 on August 17, 2026.
The open was $81.35, the high was $85.95 and the low was $79.54.
Volume was 1,082,905. The change from the prior close was +$5.22 (+6.49%).
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Review ACM Research's price trend and period performance.
The chart connects verified session closes from May 20, 2026 through August 17, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+7.85%
From the August 10, 2026 close of $79.41 to $85.64 on August 17, 2026.
20-session performance
+3.78%
From the July 20, 2026 close of $82.52 to $85.64 on August 17, 2026.
60-session performance
+19.61%
From the May 20, 2026 close of $71.60 to $85.64 on August 17, 2026.
Verified data
- Open
- $81.35
- High
- $85.95
- Low
- $79.54
- Close
- $85.64
- Volume
- 1,082,905
- Prior-close change
- +$5.22 (+6.49%)
Explore related company data
Read the frequently asked questions.
What was ACM Research's closing price on August 17, 2026?
ACM Research closed at $85.64 on August 17, 2026.
What were ACM Research's open, high and low on August 17, 2026?
The open was $81.35, the high was $85.95 and the low was $79.54.
How much did ACM Research change from the prior close on August 17, 2026?
The change from the prior close was +$5.22 (+6.49%).
What was ACM Research's volume on August 17, 2026?
Trading volume was 1,082,905 shares.
What is the source for ACM Research's daily prices?
Daily aggregate prices are provided by Polygon.