Put-Call Implied Volatility Ratio (90-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 90-Day Put-Call Implied Volatility Ratio of 0.9922 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4245
Historical Volatility (Parkinson)	0.3075
Implied Volatility (Calls)	0.4493
Implied Volatility (Puts)	0.4458
Implied Volatility (Mean)	0.4476
Put-Call Implied Volatility Ratio	0.9922
Implied Volatility Skew	-0.0086
Option Statistics
Put-Call Ratio (Volume)	1.0834
Put-Call Ratio (Open Interest)	2.1461