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.

NIO Inc. (NIO) had 120-Day Put-Call Ratio (Volume) of 0.3879 for 2026-07-28.

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Figures for 2026-07-28

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5254
Historical Volatility (Parkinson)	0.4349
Implied Volatility (Calls)	0.6123
Implied Volatility (Puts)	0.6158
Implied Volatility (Mean)	0.6140
Put-Call Implied Volatility Ratio	1.0057
Implied Volatility Skew	0.0064
Option Statistics
Put-Call Ratio (Volume)	0.3879
Put-Call Ratio (Open Interest)	0.5564