Put-Call Implied Volatility Ratio (120-Day)

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

ARM Holdings PLC Sponsored ADR (ARM) had 120-Day Put-Call Implied Volatility Ratio of 0.9999 for 2025-06-05.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2025-06-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7133
Historical Volatility (Parkinson)	0.5853
Implied Volatility (Calls)	0.5621
Implied Volatility (Puts)	0.5620
Implied Volatility (Mean)	0.5621
Put-Call Implied Volatility Ratio	0.9999
Implied Volatility Skew	0.0155
Option Statistics
Put-Call Ratio (Volume)	0.7967
Put-Call Ratio (Open Interest)	1.1111