CLHClean Harbors, Inc.

$316.91+35% 1Y

What is the market doing?

Mixed

No clear lean: nothing decisive, though in an uptrend.

1 good, 2 neutral
TrendUptrendderived · Oct 9, 2026

In an uptrend, above its rising 50- and 200-day averages. Price is +10% vs its 200-day average.

Insider conviction−$1.1M (90 days to Oct 8, 2026)SEC EDGAR · Oct 8, 2026

Insiders were net sellers over the 90 days ending Oct 8, 2026; selling is often routine (taxes, diversification).

Short interest2.1% of sharesFINRA · Sep 15, 2026

Lightly shorted, settled Sep 15, 2026, about a week of normal trading to cover. Up 7.3% since the previous count, down from 2.2% of shares outstanding three months ago.

Against the whole market›

Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.

1-year returnbetter than 75% of the market
vs 200-day avgbetter than 73% of the market

Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.

How CLH is trading

Clean Harbors, Inc. is +35% over the past year while the S&P 500 is +18%: 17 points ahead of the market.

+35%

1-year return · S&P 500 +18%

vs 200-day average
+9.8%

vs 200-day average · close to trend

RSI (14)
59

RSI (14) · neutral

Below its 52-week high
2.8%

Below its 52-week high

Sep 18, 2024$182.10 – $326.08 · dashed line: 200-day averageOct 9, 2026
Details›
Last close2026-10-09
$316.91
1 monthS&P 500 +2.7%
−1.2%
1 yearS&P 500 +18%
+35%
5 yearsS&P 500 +88%
+221%
vs 50-day average$315.24
+0.53%
52-week high
$326.08
52-week low
$201.73
Annualised volatility
27%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
−$1.1M
Calendar-year price return
YearReturn
2026 (year to date)+35%
2025+1.9%
2024+32%
2023+53%
2022+14%
2021+31%
2020−11%
2019+74%
2018−8.9%
2017−2.6%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+3.5%
Feb107 of 10+2.1%
Mar104 of 10−0.30%
Apr107 of 10+2.2%
May106 of 10+1.2%
Jun108 of 10+3.6%
Jul119 of 11+3.2%
Aug118 of 11+4.1%
Sep115 of 11−0.67%
Oct114 of 11−0.97%
Nov107 of 10+5.8%
Dec106 of 10−1.6%

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.