Put-Call Ratio (Open Interest) (10-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 Ultra Semiconductors (USD) had 10-Day Put-Call Ratio (Open Interest) of 0.3660 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6274
Historical Volatility (Parkinson)	0.3719
Implied Volatility (Calls)	0.7429
Implied Volatility (Puts)	0.7258
Implied Volatility (Mean)	0.7344
Put-Call Implied Volatility Ratio	0.9769
Implied Volatility Skew	0.1635
Option Statistics
Put-Call Ratio (Volume)	1.6855
Put-Call Ratio (Open Interest)	0.3660