Implied Volatility Skew (30-Day)

Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.

Grayscale Bitcoin Trust ETF (GBTC) had 30-Day Implied Volatility Skew of 0.0679 for 2025-10-10.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2025-10-10

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3695
Historical Volatility (Parkinson)	0.2182
Implied Volatility (Calls)	0.4410
Implied Volatility (Puts)	0.4048
Implied Volatility (Mean)	0.4229
Put-Call Implied Volatility Ratio	0.9180
Implied Volatility Skew	0.0679
Option Statistics
Put-Call Ratio (Volume)	0.3863
Put-Call Ratio (Open Interest)	0.1549