Put-Call Implied Volatility Ratio (180-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

SPDR S&P 500 ETF (SPY) had 180-Day Put-Call Implied Volatility Ratio of 1.1053 for 2022-05-20.

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

Figures for 2022-05-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2309
Historical Volatility (Parkinson)	0.1928
Implied Volatility (Calls)	0.2413
Implied Volatility (Puts)	0.2667
Implied Volatility (Mean)	0.2540
Put-Call Implied Volatility Ratio	1.1053
Implied Volatility Skew	0.0661
Option Statistics
Put-Call Ratio (Volume)	5.0457
Put-Call Ratio (Open Interest)	5.2776
Forward Price	390.28
Call Breakeven Price	456.38
Put Breakeven Price	318.01
Option Breakeven Price	340.75

Data from Quantcha