Historical Volatility (Parkinson) (30-Day)

Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.

BlackRock, Inc. (BLK) had 30-Day Historical Volatility (Parkinson) of 0.2097 for 2024-04-25.

10-Day 20-Day 30-Day 60-Day
90-Day 120-Day 150-Day 180-Day

Figures for 2024-04-25

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2074
Historical Volatility (Parkinson)	0.2097
Implied Volatility (Calls)	0.2041
Implied Volatility (Puts)	0.2200
Implied Volatility (Mean)	0.2121
Put-Call Implied Volatility Ratio	1.0777
Implied Volatility Skew	0.0330
Option Statistics
Put-Call Ratio (Volume)	1.0844
Put-Call Ratio (Open Interest)	0.7451
Forward Price	759.65
Call Breakeven Price	839.29
Put Breakeven Price	708.51
Option Breakeven Price	784.03