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Casella Waste Systems (CWST, Environmental & Facilities Services) Stock Valuation & Fair Value Significantly overvalued

Casella Waste Systems (CWST, Environmental & Facilities Services) trades at a blended P/E of 66.8, about 6% above its historical normal valuation, with a forward growth estimate of 15.8% and a PEG of 4.23. Analysts' one-year estimates have been hit 27% of the time. Priced at its historical normal P/E of 63.1 on the same blended earnings, the 2026-09-18 close of $89.07 corresponds to about $84.30 a share. This is a valuation reference, not a price target.

DATA AS OF 2026-09-21
Blended P/E
66.8
Normal P/E
63.1
PEG
4.23
Fwd growth
15.8%
Div yield
0.0%
RSI (14)
31.5
Neutral
Technical context
  • Price $84.80 at the 2026-09-23 close, 7.1% below the 20-day average ($91.29) and 7.4% below the 50-day ($91.57).
  • RSI (14) at 31.5.
  • 52-week range $74.97 to $107.34: the price is 21.0% below the high and 13.1% above the low.

The Street vs SeerForecast

Wall Street's mean price target for CWST is $111.80 across 10 analysts, 31.8% above the current price. The average analyst rating is Buy. Our SeerForecast read of the same stock, formed without analyst targets: significantly overvalued. When the two disagree, start your digging there.

Valuation flags

Verdict history

tickerseer's rating has been significantly overvalued since 2026-07-31.

Blended P/E and rating by weekBlended P/E moved from 68.4 to 66.8 between 2026-07-31 and 2026-09-21, against a normal P/E of 63.1, with 0 rating changes over 18 recorded weeks.2026-07-31: P/E 68.4, Significantly overvalued (recalculated)2026-08-03: P/E 68.5, Significantly overvalued2026-08-07: P/E 68.5, Significantly overvalued (recalculated)2026-08-10: P/E 68.6, Significantly overvalued2026-08-14: P/E 68.6, Significantly overvalued (recalculated)2026-08-17: P/E 68.4, Significantly overvalued2026-08-21: P/E 68.4, Significantly overvalued (recalculated)2026-08-24: P/E 69.3, Significantly overvalued2026-08-27: P/E 69.3, Significantly overvalued (recalculated)2026-08-28: P/E 69.3, Significantly overvalued (recalculated)2026-08-30: P/E 69.3, Significantly overvalued (recalculated)2026-08-31: P/E 70.5, Significantly overvalued2026-09-05: P/E 70.5, Significantly overvalued (recalculated)2026-09-07: P/E 70.3, Significantly overvalued2026-09-12: P/E 70.3, Significantly overvalued (recalculated)2026-09-14: P/E 67.5, Significantly overvalued2026-09-19: P/E 67.5, Significantly overvalued (recalculated)2026-09-21: P/E 66.8, Significantly overvalued64.066.068.070.0Jul 31Aug 13Aug 26Sep 8Sep 21Normal P/E 63.1
Attractively valuedFairly valuedAbove fair valueLarger dot: a stronger reading

Not every point was recorded live. Points marked recalculated apply today's valuation rules to the metrics tickerseer archived that week.

Selected weeks: the first, the latest, and the cheapest and dearest.

WeekBlended P/EPremium to normal P/ERating
2026-07-31P/E 68.4+8%Significantly overvalued
2026-08-31P/E 70.5+12%Significantly overvalued
2026-09-21P/E 66.8+6%Significantly overvalued ← now

Frequently asked questions

Is Casella Waste Systems stock overvalued?

At a blended P/E of 66.8 versus its historical normal P/E of 63.1, Casella Waste Systems trades about 6% above its typical valuation, with a PEG of 4.23 on 15.8% forward growth. tickerseer currently rates it significantly overvalued.

What is Casella Waste Systems's fair value and PEG?

Casella Waste Systems trades at a blended P/E of 66.8 against a historical normal P/E of 63.1, a PEG of 4.23, and a forward growth estimate of 15.8%. Priced at its historical normal P/E of 63.1 on the same blended earnings, the 2026-09-18 close of $89.07 corresponds to about $84.30 a share. This is a valuation reference, not a price target.

Has tickerseer's rating of Casella Waste Systems changed?

tickerseer's rating has been significantly overvalued since 2026-07-31.

What is the analyst price target for Casella Waste Systems?

The mean Wall Street price target for Casella Waste Systems is $111.80 across 10 analysts, 31.8% above the current price. tickerseer's SeerForecast verdict is formed independently of analyst targets.

Industry: Environmental & Facilities Services. Create a free account to see the full analysis: the SeerAI score, its five quality sub-scores, valuation history, and the AI research note. Options setups and metric history are part of the paid plans.

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