Put-Call Ratio (Open Interest) (30-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

So-Young International Inc. Sponsored ADR (SY) had 30-Day Put-Call Ratio (Open Interest) of 7.0995 for 2025-12-05.

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Figures for 2025-12-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9441
Historical Volatility (Parkinson)	0.9205
Implied Volatility (Calls)	0.9541
Implied Volatility (Puts)	1.2841
Implied Volatility (Mean)	1.1191
Put-Call Implied Volatility Ratio	1.3458
Implied Volatility Skew	-0.0193
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	7.0995