Put-Call Ratio (Open Interest) (60-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.

ProShares S&P Global Core Battery Metals ETF (ION) had 60-Day Put-Call Ratio (Open Interest) of 1.6250 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3602
Historical Volatility (Parkinson)	0.2841
Implied Volatility (Calls)	0.3054
Implied Volatility (Puts)	0.3208
Implied Volatility (Mean)	0.3131
Put-Call Implied Volatility Ratio	1.0506
Implied Volatility Skew	0.0255
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.6250