Bg T&A Co MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, October 22nd, 2026
1 Day
77.38%
increased by 40.89%
1 Week
73.19%
increased by 36.70%
1 Month
65.83%
increased by 29.34%
Analysis last updated: Thursday, October 22, 2026 at 07:57 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 16, 2007 to Oct 16, 2026Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 5-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 31 | |
| αARCH | 0.2112 | 3.91*** |
| βGARCH | 0.6315 | 13.61*** |
| γleverage | 0.0623 | 0.97 |
| λ₁tau intercept | 0.0806 | 1.29 |
| λ₂forecast adj. | 0.0223 | 1.80* |
| λ₃tau persistence | 0.9724 | 61.22*** |
0.874
Persistence5d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 31 | |
α ARCH Response to squared shocks | 0.2112 | 3.91*** |
β GARCH Volatility persistence | 0.6315 | 13.61*** |
γ leverage Additional response to negative shocks | 0.0623 | 0.97 |
λ₁ tau intercept Baseline long-term coefficient | 0.0806 | 1.29 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0223 | 1.80* |
λ₃ tau persistence Long-term factor persistence | 0.9724 | 61.22*** |
Persistence:
0.874
Half-life:
5 days
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