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.

Alphabet Inc. (GOOG) had 30-Day Historical Volatility (Parkinson) of 0.1922 for 2024-04-24.

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

Figures for 2024-04-24

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2062
Historical Volatility (Parkinson)	0.1922
Implied Volatility (Calls)	0.3597
Implied Volatility (Puts)	0.3619
Implied Volatility (Mean)	0.3608
Put-Call Implied Volatility Ratio	1.0061
Implied Volatility Skew	0.0328
Option Statistics
Put-Call Ratio (Volume)	0.3693
Put-Call Ratio (Open Interest)	0.5104
Forward Price	161.77
Call Breakeven Price	171.86
Put Breakeven Price	135.39
Option Breakeven Price	159.54