CBOE Volatility Index

CBOE NASDAQ-100 Volatility Index

CBOE DJIA Volatility Index

CBOE Russell 2000 Volatility Index

CBOE S&P 500 9-Day Volatility Index

CBOE 3-Month Volatility Index

CBOE 1-Day Volatility Index

CBOE S&P 500 6-Month Volatility Index

CBOE S&P 500 One-Year Volatility Index

CBOE Skew Index

How volatility evolves over time

How illiquidity evolves over time

{name} Model Equation

How returns affect tomorrow's volatility

How returns affect tomorrow's illiquidity

Spline Coefficients

Value at Risk (VaR) estimates the maximum loss at a given confidence level. Expected Shortfall (ES) estimates the average loss beyond VaR.

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Param	Value	t-stat
ωlong-run	1.3630	1.69*
αscore	0.0932	10.20***
βpersistence	0.9889	139.12***
νDF	6.9862	2.11**

Parameter	Value	t-statistic
ω long-run Long-run variance given a price move	1.3630	1.69*
α score Weight on the scaled score	0.0932	10.20***
β persistence Volatility persistence	0.9889	139.12***
ν DF Student-t tail thickness	6.9862	2.11**

V-Lab

State Street SPDR S&P 500 ETF Trust GAS-GARCH Student T Volatility Analysis

Date Range:

News Impact Curve

Volatility Forecast

Parameter Estimates

Other State Street SPDR S&P 500 ETF Trust Analyses