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 0.1705 for 2025-06-27.

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Figures for 2025-06-27

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4106
Historical Volatility (Parkinson)	0.3856
Implied Volatility (Calls)	0.5545
Implied Volatility (Puts)	0.3901
Implied Volatility (Mean)	0.4723
Put-Call Implied Volatility Ratio	0.7035
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.1705
Put-Call Ratio (Open Interest)	0.2987