V-Lab
Dana Brata Luhur Tbk PT MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
167.81%
increased by 32.56%
1 Week
163.12%
increased by 27.87%
1 Month
158.65%
increased by 23.40%
Analysis last updated: Thursday, October 1, 2026 at 10:23 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 18, 2019 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 6-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 51 | |
| αARCH | 0.2603 | 3.01*** |
| βGARCH | 0.7298 | 12.37*** |
| γleverage | -0.2156 | -1.85* |
| λ₁tau intercept | 0.1713 | 1.29 |
| λ₂forecast adj. | 0.2085 | 3.60*** |
| λ₃tau persistence | 0.7915 | 13.54*** |
0.882
Persistence6d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 51 | |
α ARCH Response to squared shocks | 0.2603 | 3.01*** |
β GARCH Volatility persistence | 0.7298 | 12.37*** |
γ leverage Additional response to negative shocks | -0.2156 | -1.85* |
λ₁ tau intercept Baseline long-term coefficient | 0.1713 | 1.29 |
λ₂ forecast adj. Forecast performance sensitivity | 0.2085 | 3.60*** |
λ₃ tau persistence Long-term factor persistence | 0.7915 | 13.54*** |
Persistence:
0.882
Half-life:
6 days
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