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NYSE · CLHUtilitiesElectric, Gas & Water Utilities

Clean Harbors, Inc (CLH)

$288.24−2.23%
Close Nov 4, 2026 · split-adjusted
Nov 2, 2026$296.07▲ 41.86% in range
Nov 3, 2025Low $201.73 · High $326.34Nov 2, 2026
What changed · written from our data
As of Nov 4, 2026

Clean Harbors closed at $288.24 on Nov 4, down 2.23%, 11.7% below its 52-week closing high. Volume of 1.1M shares was 2.05× its 20-day average (well above normal).

Split-adjusted performance: -9.4% over one month, +0.1% over six months, +38.1% over one year.

In the quarter ended Sep 30, 2026, revenue was $1.87B, up 20.7% from a year earlier, with a net margin of 11.1%.

Short interest was 1.2M shares at the Oct 15 settlement, up 10.3% from the prior report (2.5% of float, 3.1 days to cover).

Market cap$15.20B52.7M shares
Revenue · quarter$1.87B+20.7% YoY
Diluted EPS$3.93+77.8% YoY
P/E · TTM28.8×P/S 2.3×
Net margin11.1%Gross 35.4%
Dividend yieldNone
52-week range201.73 – 326.34−11.7% from high
Volume1.1M2.05× 20-day avg
Volatility · 60d17.0%Annualised
Short % of float2.5%3.1 days to cover
Net cash-$2.37BCash $516.6M
Next earnings—Not scheduled
Split-adjusted performance
1W −8.0%1M −9.4%3M −6.3%6M +0.1%YTD +22.9%1Y +38.1%3Y +89.2%5Y +158.2%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Electric, Gas & Water Utilities

Percentile among 119 companies (100 = best)

6-month momentum56
Revenue growth82
Net margin47
Value (low P/E)15
Size64

Industry medians: 6-month return −1.0%, revenue growth +6.9%, net margin 12.0%, P/E 21.1×.

Short interest

Details →
Shares short1.2M+10.3% vs prior
Days to cover3.1Settled Oct 15
% of float2.5%
Short vol. 10d49.9%of daily volume

Closest peers by size in Electric, Gas & Water Utilities

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
CLHClean Harbors$288.24−2.23%+0.1%+20.7%11.1%28.8$15.20B
TLNTalen Energy$326.78−8.54%−20.3%+63.4%10.4%—$15.46BCompare
NRGNRG Energy$83.25−13.52%−44.7%+11.0%6.5%22.4$17.50BCompare
WESWestern Midstream Partners, LP$42.54−3.03%+3.1%+30.0%32.2%14.0$17.58BCompare
WTRGEssential Utilities$45.13+2.48%+20.2%+3.1%19.9%23.1$12.81BCompare
PNWPinnacle West Capital$105.57−2.01%+5.4%+7.1%12.3%20.0$12.79BCompare
LNTAlliant Energy$73.77+2.29%+2.0%+6.2%31.0%20.5$19.13BCompare
DTMDT Midstream$117.58−4.08%−18.7%+7.0%35.1%25.5$11.99BCompare
EVRGEvergy$86.21+0.89%+6.4%+4.4%14.3%21.5$19.88BCompare

News about Clean Harbors

All news →
The Zacks Analyst Blog Highlights H2O America, Clean Harbors and Concrete PumpingZacks Investment Research · 5d ago▲ PositiveClean Harbors: 3 Key Takeaways for Long-Term InvestorsThe Motley Fool · Oct 29, 2026▲ PositiveZacks.com featured highlights include Allegion, United Rentals and Clean HarborsZacks Investment Research · Oct 28, 2026▲ PositiveClean Harbors (CLH) Earnings Expected to Grow: What to Know Ahead of Next Week's ReleaseZacks Investment Research · Oct 21, 2026NeutralLooking for a Growth Stock? 3 Reasons Why Clean Harbors (CLH) is a Solid ChoiceZacks Investment Research · Oct 20, 2026▲ Positive

Quick answers

What does Clean Harbors do?
Clean Harbors Inc is an environmental and industrial services provider that provides parts cleaning and related environmental services to commercial, industrial, and automotive customers. Its business segments are Environmental Services and Safety-Kleen Sustainability Solutions.
What is CLH's market cap?
$15.20B, based on the Nov 4 close of $288.24.
What is CLH's P/E ratio?
28.8× trailing-twelve-month earnings of $528.36M.
Does Clean Harbors pay a dividend?
No regular cash dividend has been paid in the last year.
How much of CLH is sold short?
1.2M shares, 2.5% of float, as of Oct 15, 2026.
What sector is CLH in?
Utilities, in the Electric, Gas & Water Utilities industry.

About Clean Harbors

Clean Harbors Inc is an environmental and industrial services provider that provides parts cleaning and related environmental services to commercial, industrial, and automotive customers. Its business segments are Environmental Services and Safety-Kleen Sustainability Solutions. Environmental Services includes waste collection, transportation, treatment, recycling, and disposal, along with industrial maintenance services. Safety-Kleen Sustainability Solutions provides used oil collection and manufactures base oil, vacuum gas oil, and lubricants. The company generates the majority of its revenues from the Environmental Services segment and operates in the United States, with maximum revenue, and Canada.

HQ: Norwell, MA22,591 employeesListed Nov 24, 1987cleanharbors.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