Put-Call Ratio (Open Interest) (90-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.

BlackRock (BLK) had 90-Day Put-Call Ratio (Open Interest) of 2.1134 for 2026-04-06.

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Figures for 2026-04-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3223
Historical Volatility (Parkinson)	0.2915
Implied Volatility (Calls)	0.3513
Implied Volatility (Puts)	0.3407
Implied Volatility (Mean)	0.3460
Put-Call Implied Volatility Ratio	0.9700
Implied Volatility Skew	0.0758
Option Statistics
Put-Call Ratio (Volume)	98.1952
Put-Call Ratio (Open Interest)	2.1134