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V-Lab

S&P / ASX 200 Volatility Index MF2-GARCH Volatility Analysis

Volatility prediction for Friday, August 21st, 2026

1 Day

75.40%

decreased by 1.09%

1 Week

82.19%

increased by 5.70%

1 Month

90.73%

increased by 14.24%

Analysis last updated: Friday, August 21, 2026 at 08:17 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of S&P / ASX 200 Volatility Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 2008 to Apr 4, 2025

Model Insight

Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

101
α

ARCH

Response to squared shocks

0.1416
17.57***
β

GARCH

Volatility persistence

0.6566
38.82***
γ

leverage

Additional response to negative shocks

0.0163
0.91
λ₁

tau intercept

Baseline long-term coefficient

4.5968
0.60
λ₂

forecast adj.

Forecast performance sensitivity

0.0782
0.60
λ₃

tau persistence

Long-term factor persistence

0.8211
2.75***

Persistence:

0.806

Half-life:

3 days