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.

NIO Inc. (NIO) had 20-Day Put-Call Ratio (Volume) of 0.0691 for 2026-06-02.

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Figures for 2026-06-02

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7093
Historical Volatility (Parkinson)	0.5276
Implied Volatility (Calls)	0.6400
Implied Volatility (Puts)	0.6137
Implied Volatility (Mean)	0.6269
Put-Call Implied Volatility Ratio	0.9588
Implied Volatility Skew	-0.0151
Option Statistics
Put-Call Ratio (Volume)	0.0691
Put-Call Ratio (Open Interest)	0.5120