Put-Call Ratio (Open Interest) (30-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

CoinShares Bitcoin and Ether ETF (BTF) had 30-Day Put-Call Ratio (Open Interest) of 0.1038 for 2025-08-28.

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Figures for 2025-08-28

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6058
Historical Volatility (Parkinson)	0.3196
Implied Volatility (Calls)	0.5432
Implied Volatility (Puts)	0.5678
Implied Volatility (Mean)	0.5555
Put-Call Implied Volatility Ratio	1.0453
Implied Volatility Skew	0.0664
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1038