Plug Power, US72919P2020

Plug Power stock heads into the open after a 1.4 percent drop

Published on 09/22/2026 at 07:47 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 18, 2026, Plug Power stock stood at USD 2.09 on Nasdaq after a 1.42 percent decline, trading between USD 2.02 and USD 2.17 on 55.13 million shares.

Industrielle Elektrolyseur-Anlage mit Wasserstofftanks bei Sonnenaufgang, Plug Power Inc
Plug Power Inc US72919P2020 betreibt industrielle Elektrolyseur-Anlage mit Wasserstoff-Tanks und Rohren bei Sonnenaufgang, Illustration mit AI erstellt.

Plug Power stock closed at USD 2.09 on Nasdaq on September 18, 2026, down 1.42 percent from the prior session. The Nasdaq Composite rose 2.26 percent to 27,122.09 points on September 21, 2026, providing a dated market comparison.

September 18, 2026 in numbers

Plug Power Inc. (ISIN US72919P2020) traded between USD 2.02 and USD 2.17 on Nasdaq, with volume of 55.13 million shares. The close was within the reported 52-week range of USD 1.70 to USD 4.58, placing the stock USD 2.49 below the 52-week high.

The latest substantiated company update reported by Plug Power on September 21, 2026 said the Allied Biofuels project had advanced through front-end engineering and design, with a final investment decision targeted for the first quarter of 2027.

September 22, 2026 session outlook

The Nasdaq Composite entered September 22, 2026 after closing at 27,122.09 points, up 2.26 percent in the prior session. The broad technology-heavy index is a relevant market reference for Plug Power because the company trades on Nasdaq.

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