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.

VanEck Oil Services ETF (OIH) had 30-Day Put-Call Ratio (Open Interest) of 1.1242 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2903
Historical Volatility (Parkinson)	0.2282
Implied Volatility (Calls)	0.3435
Implied Volatility (Puts)	0.3437
Implied Volatility (Mean)	0.3436
Put-Call Implied Volatility Ratio	1.0006
Implied Volatility Skew	0.0447
Option Statistics
Put-Call Ratio (Volume)	0.8859
Put-Call Ratio (Open Interest)	1.1242