Put-Call Ratio (Volume) (180-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Clean Harbors, Inc. (CLH) had 180-Day Put-Call Ratio (Volume) of 0.6374 for 2026-02-20.

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Figures for 2026-02-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2925
Historical Volatility (Parkinson)	0.2382
Implied Volatility (Calls)	0.2810
Implied Volatility (Puts)	0.2792
Implied Volatility (Mean)	0.2801
Put-Call Implied Volatility Ratio	0.9935
Implied Volatility Skew	0.0333
Option Statistics
Put-Call Ratio (Volume)	0.6374
Put-Call Ratio (Open Interest)	0.4925