S&P / ASX 200 Volatility Index

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How illiquidity evolves over time

{name} Model Equation

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Parameter	Value	t-statistic
m window Rolling window length	21
α ARCH Response to squared shocks	0.0923	16.50***
β GARCH Volatility persistence	0.6773	49.72***
γ leverage Additional response to negative shocks	0.0489	6.56***
λ₁ tau intercept Baseline long-term coefficient	0.0158	1.95*
λ₂ forecast adj. Forecast performance sensitivity	0.0182	3.72***
λ₃ tau persistence Long-term factor persistence	0.9782	151.58***

V-Lab

REA Group Ltd MF2-GARCH Volatility Analysis

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