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.

Hesai Group Sponsored ADR (HSAI) had 20-Day Put-Call Ratio (Volume) of 0.2143 for 2026-04-22.

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Figures for 2026-04-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6318
Historical Volatility (Parkinson)	0.4378
Implied Volatility (Calls)	0.6636
Implied Volatility (Puts)	0.6610
Implied Volatility (Mean)	0.6623
Put-Call Implied Volatility Ratio	0.9961
Implied Volatility Skew	0.0311
Option Statistics
Put-Call Ratio (Volume)	0.2143
Put-Call Ratio (Open Interest)	1.6291