Put-Call Ratio (Open Interest) (30-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Aemetis, Inc (AMTX) had 30-Day Put-Call Ratio (Open Interest) of 0.1811 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1711
Historical Volatility (Parkinson)	0.9842
Implied Volatility (Calls)	1.3492
Implied Volatility (Puts)	0.7875
Implied Volatility (Mean)	1.0684
Put-Call Implied Volatility Ratio	0.5837
Implied Volatility Skew	0.3390
Option Statistics
Put-Call Ratio (Volume)	0.0892
Put-Call Ratio (Open Interest)	0.1811