CBOE Volatility Index

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CBOE DJIA Volatility Index

CBOE Russell 2000 Volatility Index

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CBOE 3-Month Volatility Index

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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
ωconst	3.6779	2.35**
αARCH	0.0692	6.24***
βGARCH	0.9857	120.85***
νDF	10.8037	0.74

Parameter	Value	t-statistic
ω const Unconditional variance weight	3.6779	2.35**
α ARCH Response to squared shocks	0.0692	6.24***
β GARCH Volatility persistence	0.9857	120.85***
ν DF Student-t tail thickness	10.8037	0.74

V-Lab

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

Date Range:

News Impact Curve

Volatility Forecast

Parameter Estimates

Other State Street SPDR S&P Biotech ETF Analyses