CLH
Price
$237.01
Change
-$2.54 (-1.06%)
Updated
Dec 3 closing price
Capitalization
12.66B
83 days until earnings call
Intraday BUY SELL Signals
PESI
Price
$13.36
Change
+$1.11 (+9.06%)
Updated
Dec 3 closing price
Capitalization
247.4M
105 days until earnings call
Intraday BUY SELL Signals
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CLH vs PESI

Header iconCLH vs PESI Comparison
Open Charts CLH vs PESIBanner chart's image
Clean Harbors
Price$237.01
Change-$2.54 (-1.06%)
Volume$687.54K
Capitalization12.66B
Perma-Fix Environmental Services
Price$13.36
Change+$1.11 (+9.06%)
Volume$168.18K
Capitalization247.4M
CLH vs PESI Comparison Chart in %
CLH
Daily Signal:
Gain/Loss:
PESI
Daily Signal:
Gain/Loss:
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VS
CLH vs. PESI commentary
Dec 04, 2025

To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is CLH is a StrongBuy and PESI is a Hold.

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COMPARISON
Comparison
Dec 04, 2025
Stock price -- (CLH: $239.57 vs. PESI: $12.24)
Brand notoriety: CLH and PESI are both not notable
Both companies represent the Environmental Services industry
Current volume relative to the 65-day Moving Average: CLH: 62% vs. PESI: 26%
Market capitalization -- CLH: $12.66B vs. PESI: $247.4M
CLH [@Environmental Services] is valued at $12.66B. PESI’s [@Environmental Services] market capitalization is $247.4M. The market cap for tickers in the [@Environmental Services] industry ranges from $87.08B to $0. The average market capitalization across the [@Environmental Services] industry is $6.28B.

Long-Term Analysis

It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).

CLH’s FA Score shows that 1 FA rating(s) are green whilePESI’s FA Score has 1 green FA rating(s).

  • CLH’s FA Score: 1 green, 4 red.
  • PESI’s FA Score: 1 green, 4 red.
According to our system of comparison, CLH is a better buy in the long-term than PESI.

Short-Term Analysis

It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.

If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.

CLH’s TA Score shows that 5 TA indicator(s) are bullish while PESI’s TA Score has 4 bullish TA indicator(s).

  • CLH’s TA Score: 5 bullish, 5 bearish.
  • PESI’s TA Score: 4 bullish, 5 bearish.
According to our system of comparison, CLH is a better buy in the short-term than PESI.

Price Growth

CLH (@Environmental Services) experienced а +7.02% price change this week, while PESI (@Environmental Services) price change was -0.33% for the same time period.

The average weekly price growth across all stocks in the @Environmental Services industry was +1.10%. For the same industry, the average monthly price growth was +1.34%, and the average quarterly price growth was +9.13%.

Reported Earning Dates

CLH is expected to report earnings on Feb 25, 2026.

PESI is expected to report earnings on Mar 19, 2026.

Industries' Descriptions

@Environmental Services (+1.10% weekly)

Environmental Services includes companies that collect and dispose of hazardous and non-hazardous waste. Their services include removal of toxic waste from soil, removing medical waste etc. Some companies also operate incinerators, sewerage systems, waste treatment plants, and landfills. Demand for waste management is likely to rise with increasing urbanization/industrialization. Waste Management, Inc., Republic Services, Inc., Waste Connections, Inc. and Tetra Tech, Inc. are some of the major companies in this business.

SUMMARIES
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FUNDAMENTALS
Fundamentals
CLH($12.7B) has a higher market cap than PESI($247M). PESI has higher P/E ratio than CLH: PESI (179.71) vs CLH (32.92). PESI YTD gains are higher at: 10.569 vs. CLH (4.095). CLH has higher annual earnings (EBITDA): 1.11B vs. PESI (-9.59M). CLH has more cash in the bank: 699M vs. PESI (22.6M). PESI has less debt than CLH: PESI (4.39M) vs CLH (3.03B). CLH has higher revenues than PESI: CLH (5.94B) vs PESI (60M).
CLHPESICLH / PESI
Capitalization12.7B247M5,142%
EBITDA1.11B-9.59M-11,526%
Gain YTD4.09510.56939%
P/E Ratio32.92179.7118%
Revenue5.94B60M9,903%
Total Cash699M22.6M3,093%
Total Debt3.03B4.39M69,026%
FUNDAMENTALS RATINGS
CLH vs PESI: Fundamental Ratings
CLH
PESI
OUTLOOK RATING
1..100
5050
VALUATION
overvalued / fair valued / undervalued
1..100
76
Overvalued
95
Overvalued
PROFIT vs RISK RATING
1..100
2062
SMR RATING
1..100
5496
PRICE GROWTH RATING
1..100
5860
P/E GROWTH RATING
1..100
4817
SEASONALITY SCORE
1..100
7550

Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.

CLH's Valuation (76) in the Environmental Services industry is in the same range as PESI (95). This means that CLH’s stock grew similarly to PESI’s over the last 12 months.

CLH's Profit vs Risk Rating (20) in the Environmental Services industry is somewhat better than the same rating for PESI (62). This means that CLH’s stock grew somewhat faster than PESI’s over the last 12 months.

CLH's SMR Rating (54) in the Environmental Services industry is somewhat better than the same rating for PESI (96). This means that CLH’s stock grew somewhat faster than PESI’s over the last 12 months.

CLH's Price Growth Rating (58) in the Environmental Services industry is in the same range as PESI (60). This means that CLH’s stock grew similarly to PESI’s over the last 12 months.

PESI's P/E Growth Rating (17) in the Environmental Services industry is in the same range as CLH (48). This means that PESI’s stock grew similarly to CLH’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
CLHPESI
RSI
ODDS (%)
Bullish Trend 7 days ago
79%
Bearish Trend 7 days ago
76%
Stochastic
ODDS (%)
Bearish Trend 7 days ago
49%
Bullish Trend 7 days ago
75%
Momentum
ODDS (%)
Bullish Trend 7 days ago
64%
Bearish Trend 7 days ago
72%
MACD
ODDS (%)
Bullish Trend 7 days ago
67%
Bearish Trend 7 days ago
75%
TrendWeek
ODDS (%)
Bullish Trend 7 days ago
69%
Bullish Trend 7 days ago
77%
TrendMonth
ODDS (%)
Bearish Trend 7 days ago
57%
Bearish Trend 7 days ago
77%
Advances
ODDS (%)
Bullish Trend 7 days ago
66%
Bullish Trend 9 days ago
75%
Declines
ODDS (%)
Bearish Trend 29 days ago
48%
Bearish Trend 17 days ago
75%
BollingerBands
ODDS (%)
Bearish Trend 7 days ago
45%
Bearish Trend 7 days ago
80%
Aroon
ODDS (%)
Bearish Trend 7 days ago
75%
Bullish Trend 7 days ago
85%
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CLH
Daily Signal:
Gain/Loss:
PESI
Daily Signal:
Gain/Loss:
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CLH and

Correlation & Price change

A.I.dvisor indicates that over the last year, CLH has been loosely correlated with NVRI. These tickers have moved in lockstep 51% of the time. This A.I.-generated data suggests there is some statistical probability that if CLH jumps, then NVRI could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To CLH
1D Price
Change %
CLH100%
+4.82%
NVRI - CLH
51%
Loosely correlated
-0.49%
WCN - CLH
43%
Loosely correlated
-0.51%
WM - CLH
41%
Loosely correlated
-0.63%
GFL - CLH
39%
Loosely correlated
+0.45%
CWST - CLH
37%
Loosely correlated
-0.56%
More

PESI and

Correlation & Price change

A.I.dvisor tells us that PESI and NVRI have been poorly correlated (+27% of the time) for the last year. This A.I.-generated data suggests there is low statistical probability that PESI and NVRI's prices will move in lockstep.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To PESI
1D Price
Change %
PESI100%
-0.89%
NVRI - PESI
27%
Poorly correlated
-0.49%
QRHC - PESI
23%
Poorly correlated
-4.92%
CLH - PESI
21%
Poorly correlated
+4.82%
LNZA - PESI
20%
Poorly correlated
-2.57%
GFL - PESI
20%
Poorly correlated
+0.45%
More