Put-Call Ratio (Volume) (30-Day)

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

American Superconductor Corporation (AMSC) had 30-Day Put-Call Ratio (Volume) of 0.0403 for 2026-04-17.

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Figures for 2026-04-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6933
Historical Volatility (Parkinson)	0.6396
Implied Volatility (Calls)	0.7153
Implied Volatility (Puts)	0.6854
Implied Volatility (Mean)	0.7004
Put-Call Implied Volatility Ratio	0.9582
Implied Volatility Skew	0.0558
Option Statistics
Put-Call Ratio (Volume)	0.0403
Put-Call Ratio (Open Interest)	0.1800