Clean Harbors, Inc. (CLH) - Stock Analysis

Last updated: Sep 6, 2026

Research Idea

Research content for general circulation. Not individualized advice. Methodology & Disclosures

Stronger-than-expected Q4 results, an accretive $130M Depot Connect acquisition announced 2026-02-19, and solid cash generation have driven a short-term breakout (~8% over a month, above the 21-day SMA); upcoming investor commentary (e.g., 3/3 conference) can reinforce the move for further near-term gains.

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Idea window: 2/19/2026 – 2/26/2026Sector: Industrials

AI Analyst Overview

Last Price
$322.82
Market Cap
$17.04B
1D Return
+0.59%
YTD Return
+37.67%

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Valuation Metrics

P/E
39.0
P/B
5.8
P/S
2.7
EV/EBITDA
16.2
Div Yield
—

Fundamental Analysis

6.5

Key Financial Insights: • Margin Expansion • Elevated Debt • Liquidity Decline CLH's improving margins and cash generation are offset by elevated leverage, declining liquidity, and increasingly demanding valuation.

Profitability
Leverage

Price Behavior

6.0

Key Price Behavior Insights: • Mild upward trend • Resistance stalled momentum • Support remains key Support Level: $315; secondary $308–$310 Resistance Level: $325–$326 CLH remains mildly constructive over the last month above $315, but needs a break above $326 to confirm upside while a drop below $315 risks $308–$310.

CLH
TechnicalSetup

Sentiment & News

7.0

Key News Insights: • Raised guidance • EnviroServe acquisition • Premium valuation Clean Harbors' strong earnings, raised guidance and EnviroServe acquisition support growth, though premium valuation and execution risks warrant caution.

Growth
ValuationRisk
AI

AI Summary

6.5
Positive

Clean Harbors' strong margin expansion and EnviroServe acquisition shift it into a premium-priced, execution-dependent growth story—investors should favor the shares only if integration, cash generation, and leverage discipline validate sustained earnings upside, while watching $308–$310 support for signs valuation is resetting.

MarginGrowth
IntegrationRisk
Valuation
AI summary updated 5 days ago

Description

Clean Harbors, Inc. is a North American provider of environmental and industrial services organized into Environmental Services and Safety-Kleen Sustainability Solutions segments. The Environmental Services business handles the collection, transport, treatment and disposal of hazardous and non-hazardous wastes and delivers industrial maintenance, field services and laboratory chemical management. The Safety-Kleen unit supplies parts-washing and cleaning products, manages containerized waste pickup, vacuum and used-oil services, and produces and distributes lubricants and contract-blended fluids; the company was incorporated in 1980 and is based in Norwell, Massachusetts.

Idea History

DateCloseTickerCompanySummaryStatusP/L
Feb 19Feb 26CLHClean Harbors, Inc.
Stronger-than-expected Q4 results, an accretive $130M Depot Connect acquisition announced 2026-02-19, and solid cash generation have driven a short-term breakout (~8% over a month, above the 21-day SMA); upcoming investor commentary (e.g., 3/3 conference) can reinforce the move for further near-term gains.
Closed+4.0%
Research content for educational purposes only. Not investment advice. All decisions are your responsibility.