Clean Harbors (CLH)
NYSEIndustrialsWaste ManagementSnapshot 2026-09-04
$317.10-0.49%
Close 2026-09-04 · 1-day change
NYSEIndustrialsWaste ManagementSnapshot 2026-09-04
QuarterlyIQ Insights · CLH
What must go right, what could break, what the price assumes, and what evidence comes next.
The current health of the standing investment case.
Recent financial performance recently climbed back into the top half of its industry — confirming the recovery.
One-year growth currently built into the price, compared with our model's estimate.
| Measure | Marker shape | Value |
|---|---|---|
| Growth built into the price | circle | 26.0% |
| Our one-year growth estimate | diamond | 7.0% |
For each item: what to watch, what would become a concern, and what would make it less concerning.
A reporting-risk estimate, not a forecast of the stock-price response.
Historical relationships that met the evidence threshold. They do not prove cause or forecast a move.
Usually moved in the same direction.
Price observations: 365 days
Most sensitive to the broad stock market.
Based on historical daily prices through 2026-09-04.
Past price behavior in dollars on a $10,000 position. This does not measure permanent business risk.
How much price usually moves either way.
Use the underlying financial and sector pages to investigate the cause.
Not investment advice. Scores describe historical and current data; they are not forecasts of future returns. Consult a licensed advisor before making investment decisions.
Growth built into the price is above our model estimate.
The price assumes 19.1 percentage points more one-year growth.
The one-year revenue growth assumption on Valuation.
Model as of 2026-09-04 · Compared with 7 industry peers · Company calendar date is not available
CLH — CTO transition
Dated 2026-05-20
Executive Chairman of the Board and Chief Technology Officer — Alan S. McKim: Mr. McKim is retiring from the Board and his role as Chief Technology Officer, with a planned leadership transition.
Why it matters: The new Chair will lead the company through a key leadership transition. This change could impact strategy and operations.
Watch forThe Board announces the appointment of a new independent Chair by the end of summer 2026.
Also watch forNo announcement of a new Chair by the end of summer 2026.
Why it matters: Getting these synergies will show the Terra Nova acquisition was a good choice.
Supportive ifA report says $4 million in annual synergies have come from the Terra Nova deal.
Worry ifNo mention of synergies being realized after the first full year of operation.
Why it matters: Closing the ES&H acquisition will show Clean Harbors' commitment to expanding its Field Services. This could enhance revenue and market position.
Supportive ifClean Harbors has finished buying and adding ES&H to its operations.
Worry ifThe acquisition faces delays or is not completed as planned.
Why it matters: This contract shows strong demand. It also gives Clean Harbors a clear path for future revenue.
Supportive ifThe $600 million disposal contract begins on schedule in Q4 2026.
Worry ifThe contract start is delayed or changed a lot.
A larger daily loss that occurred about once in every 20 trading days.
Deepest peak-to-trough drop in the last year.
| Measure | Value | Meaning |
|---|---|---|
| Typical day | ±$75 on $10,000 · ±0.8% | How much price usually moves either way. |
| Bad day | $203 loss on $10,000 · 2.0% | A larger daily loss that occurred about once in every 20 trading days. |
| Largest peak-to-trough drop in the past year | $1,806 loss on $10,000 · 18.1% | Deepest peak-to-trough drop in the last year. |
Past year. 1.00 means similar movement; 1.20 means about 20% more.
Past year. 1.00 means similar movement to the sector. This is secondary context.
Latest 30 trading days, shown as an annual percentage.
Latest 252 trading days, shown as an annual percentage.
20-trading-day average in US dollars.
Trading days used by the source risk snapshot.
Past results, not a forecast. Not investment advice.
Why it matters: The PMI affects demand for Clean Harbors' services. A PMI above 50 indicates growth, which could benefit the company.
Watch forU.S. Manufacturing PMI is above 50. This shows growth in the economy.
Also watch forU.S. Manufacturing PMI is below 50. This shows a decline in the economy.
Why it matters: This deal is important for Clean Harbors to grow its services and revenue. A good integration can boost growth.
Supportive ifClean Harbors is combining with Terra Nova Solutions. They are seeing early revenue results.
Worry ifThere may be delays in the integration. They might not meet revenue goals from Terra Nova Solutions.
Why it matters: Closing this acquisition will improve Clean Harbors' skills. It will also help them in environmental services.
Supportive ifThe acquisition of EnviroServe closes as planned in the second half of 2026.
Worry ifThe acquisition has problems with regulations. There may be delays.
Why it matters: The retirement of founder Alan McKim could impact company culture and strategy. How the transition is managed will be crucial.
Watch forClean Harbors appoints a new independent Chair to the Board.
Also watch forNo announcement of a new Chair or delays in the leadership transition.
Why it matters: This growth guidance shows strong demand. It also shows that operations are running well.
Supportive ifQ3 Adjusted EBITDA growth lands at 24% or higher year over year.
Worry ifQ3 Adjusted EBITDA growth falls below 24% year over year.
Why it matters: Closing this acquisition will improve Clean Harbors' Field Services. It will also help them reach more customers.
Supportive ifThe acquisition of ES&H closes as planned in the second half of 2026.
Worry ifThe acquisition faces delays or fails to close by the end of 2026.
Why it matters: Growth in Adjusted EBITDA shows how well the company is doing. It also shows market demand.
Supportive ifClean Harbors reports Q2 Adjusted EBITDA growth of 5% to 9% year over year.
Worry ifQ2 Adjusted EBITDA growth is under 5%. This may mean there are problems with operations.
Why it matters: The new leaders may change the company's strategy and how it operates.
Watch forA new independent Chair is chosen. They share a clear plan for the future.
Also watch forThe change may cause uncertainty or problems in how the company runs.