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.

NIO Inc. (NIO) had 30-Day Put-Call Ratio (Volume) of 0.3966 for 2026-05-12.

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Figures for 2026-05-12

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4592
Historical Volatility (Parkinson)	0.3890
Implied Volatility (Calls)	0.6363
Implied Volatility (Puts)	0.7304
Implied Volatility (Mean)	0.6833
Put-Call Implied Volatility Ratio	1.1478
Implied Volatility Skew	-0.0551
Option Statistics
Put-Call Ratio (Volume)	0.3966
Put-Call Ratio (Open Interest)	0.2948