NASDAQ · PLUGTechnologyElectronics & Semiconductors

Plug Power Inc. (PLUG)

$1.46+3.55%
Close Nov 4, 2026 · split-adjusted
Nov 3, 2026$1.40▼ 49.27% in range
Nov 3, 2025Low $1.31 · High $4.14Nov 3, 2026
What changed · written from our data
As of Nov 4, 2026

Plug Power closed at $1.46 on Nov 4, up 3.55%, 64.7% below its 52-week closing high. Volume of 105.4M shares was 2.14× its 20-day average (well above normal).

Split-adjusted performance: -21.5% over one month, -55.9% over six months, -46.9% over one year.

In the quarter ended Jun 30, 2026, revenue was $178.30M, up 2.5% from a year earlier, with a net margin of -105.6%.

Short interest was 292.0M shares at the Oct 15 settlement, up 2.6% from the prior report (22.1% of float, 5.7 days to cover).

Market cap$2.04B1.40B shares
Revenue · quarter$178.3M+2.5% YoY
Diluted EPS$-0.14—
P/E · TTM—P/S 2.7×
Net margin-105.6%Gross -0.9%
Dividend yieldNone
52-week range1.31 – 4.14−64.7% from high
Volume105.4M2.14× 20-day avg
Volatility · 60d50.8%Annualised
Short % of float22.1%5.7 days to cover
Net cash-$658.8MCash $161.9M
Next earnings—Not scheduled
Split-adjusted performance
1W +2.8%1M −21.5%3M −29.5%6M −55.9%YTD −25.9%1Y −46.9%3Y −74.4%5Y −95.8%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Electronics & Semiconductors

Percentile among 13 companies (100 = best)

6-month momentum18
Revenue growth22
Net margin18
Value (low P/E)—
Size42

Industry medians: 6-month return −21.6%, revenue growth +11.5%, net margin 10.4%, P/E 35.9×.

Short interest

Details →
Shares short292.0M+2.6% vs prior
Days to cover5.7Settled Oct 15
% of float22.1%
Short vol. 10d59.7%of daily volume

Closest peers by size in Electronics & Semiconductors

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
PLUGPlug Power$1.46+3.55%−55.9%+2.5%−105.6%—$2.04B
FCELFuelCell Energy Inc NEW (DE)$10.54−5.98%−17.7%−29.4%−137.2%—$842.7MCompare
FPSForgent Power Solutions$22.44−17.32%−47.4%—11.5%—$6.16BCompare
EROCERock$7.94−11.38%——−7.5%—$382.5MCompare
EAFGrafTech International$10.63−8.83%+12.5%−2.7%−33.4%—$285.9MCompare
WWDWoodward$326.37−1.90%−14.7%+21.2%13.2%34.9$19.27BCompare
OTISOtis Worldwide$79.79+3.87%+4.0%+6.1%10.6%19.5$30.38BCompare
NPWRNET Power$0.8279−4.38%−61.8%———$73.3MCompare
BEBloom Energy$200.40−6.36%−29.8%+138.1%20.3%114.3$59.23BCompare

Quick answers

What does Plug Power do?
Plug Power Inc is building an end-to-end green hydrogen ecosystem, from production, storage, and delivery to energy generation. The company plans to build and operate green hydrogen highways across North America and Europe.
What is PLUG's market cap?
$2.04B, based on the Nov 4 close of $1.46.
Does Plug Power pay a dividend?
No regular cash dividend has been paid in the last year.
How much of PLUG is sold short?
292.0M shares, 22.1% of float, as of Oct 15, 2026.
What sector is PLUG in?
Technology, in the Electronics & Semiconductors industry.

About Plug Power

Plug Power Inc is building an end-to-end green hydrogen ecosystem, from production, storage, and delivery to energy generation. The company plans to build and operate green hydrogen highways across North America and Europe. Plug will deliver its green hydrogen solutions directly to its customers and through joint venture partners into multiple end markets, including material handling, e-mobility, power generation, and industrial applications.

HQ: Slingerlands, NY2,582 employeesListed Oct 29, 1999plugpower.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology