Put-Call Implied Volatility Ratio (20-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 20-Day Put-Call Implied Volatility Ratio of 1.0073 for 2026-04-06.

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Figures for 2026-04-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5012
Historical Volatility (Parkinson)	0.3488
Implied Volatility (Calls)	0.4674
Implied Volatility (Puts)	0.4708
Implied Volatility (Mean)	0.4691
Put-Call Implied Volatility Ratio	1.0073
Implied Volatility Skew	0.0592
Option Statistics
Put-Call Ratio (Volume)	0.2331
Put-Call Ratio (Open Interest)	1.4946