Daily trading records
Plug Power Stock Price on August 18, 2026
Direct answer
Plug Power closed at $2.16 on August 18, 2026.
The open was $2.185, the high was $2.22 and the low was $2.12.
Volume was 59,853,740. The change from the prior close was -$0.12 (-5.26%).
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Review Plug Power'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
-2.70%
From the August 11, 2026 close of $2.22 to $2.16 on August 18, 2026.
20-session performance
-4.85%
From the July 21, 2026 close of $2.27 to $2.16 on August 18, 2026.
60-session performance
-42.86%
From the May 21, 2026 close of $3.78 to $2.16 on August 18, 2026.
Verified data
- Open
- $2.185
- High
- $2.22
- Low
- $2.12
- Close
- $2.16
- Volume
- 59,853,740
- Prior-close change
- -$0.12 (-5.26%)
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Read the frequently asked questions.
What was Plug Power's closing price on August 18, 2026?
Plug Power closed at $2.16 on August 18, 2026.
What were Plug Power's open, high and low on August 18, 2026?
The open was $2.185, the high was $2.22 and the low was $2.12.
How much did Plug Power change from the prior close on August 18, 2026?
The change from the prior close was -$0.12 (-5.26%).
What was Plug Power's volume on August 18, 2026?
Trading volume was 59,853,740 shares.
What is the source for Plug Power's daily prices?
Daily aggregate prices are provided by Polygon.