Daily trading records
Plug Power Stock Price on September 9, 2026
Direct answer
Plug Power closed at $2.17 on September 9, 2026.
The open was $2.24, the high was $2.30 and the low was $2.16.
Volume was 46,302,591. The change from the prior close was -$0.09 (-3.98%).
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Review Plug Power's price trend and period performance.
The chart connects verified session closes from June 12, 2026 through September 9, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+3.83%
From the September 1, 2026 close of $2.09 to $2.17 on September 9, 2026.
20-session performance
-2.25%
From the August 11, 2026 close of $2.22 to $2.17 on September 9, 2026.
60-session performance
-21.38%
From the June 12, 2026 close of $2.76 to $2.17 on September 9, 2026.
Verified data
- Open
- $2.24
- High
- $2.30
- Low
- $2.16
- Close
- $2.17
- Volume
- 46,302,591
- Prior-close change
- -$0.09 (-3.98%)
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Read the frequently asked questions.
What was Plug Power's closing price on September 9, 2026?
Plug Power closed at $2.17 on September 9, 2026.
What were Plug Power's open, high and low on September 9, 2026?
The open was $2.24, the high was $2.30 and the low was $2.16.
How much did Plug Power change from the prior close on September 9, 2026?
The change from the prior close was -$0.09 (-3.98%).
What was Plug Power's volume on September 9, 2026?
Trading volume was 46,302,591 shares.
What is the source for Plug Power's daily prices?
Daily aggregate prices are provided by Polygon.