Put-Call Implied Volatility Ratio (30-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) had 30-Day Put-Call Implied Volatility Ratio of 1.0073 for 2025-07-18.

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Figures for 2025-07-18

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3238
Historical Volatility (Parkinson)	0.2210
Implied Volatility (Calls)	0.3178
Implied Volatility (Puts)	0.3201
Implied Volatility (Mean)	0.3190
Put-Call Implied Volatility Ratio	1.0073
Implied Volatility Skew	0.0155
Option Statistics
Put-Call Ratio (Volume)	0.7668
Put-Call Ratio (Open Interest)	1.2245