Put-Call Ratio (Volume) (20-Day)

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

Perma-Pipe International Holdings, Inc. (PPIH) had 20-Day Put-Call Ratio (Volume) of 0.0000 for 2026-10-20.

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Figures for 2026-10-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4116
Historical Volatility (Parkinson)	0.3898
Implied Volatility (Calls)	0.4722
Implied Volatility (Puts)	0.4927
Implied Volatility (Mean)	0.4824
Put-Call Implied Volatility Ratio	1.0433
Implied Volatility Skew	0.0621
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1558