CBOE Volatility Index

How illiquidity evolves over time

{name} Model Equation

How returns affect tomorrow's illiquidity

Spline Coefficients

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Parameter	Value	t-statistic
ω const Unconditional variance weight	0.0000
α ARCH Response to squared shocks	0.0655	922.10***
β GARCH Volatility persistence	0.9990
ν DF Student-t tail thickness	2.0094

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