Put-Call Ratio (Volume) (120-Day)

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

Archer Aviation Inc. (ACHR) had 120-Day Put-Call Ratio (Volume) of 0.0870 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6157
Historical Volatility (Parkinson)	0.5798
Implied Volatility (Calls)	0.7748
Implied Volatility (Puts)	0.8689
Implied Volatility (Mean)	0.8218
Put-Call Implied Volatility Ratio	1.1215
Implied Volatility Skew	0.0051
Option Statistics
Put-Call Ratio (Volume)	0.0870
Put-Call Ratio (Open Interest)	0.4375