V-Lab
Remark Holdings Inc MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
1,450.27%
decreased by 279.23%
1 Week
1,419.22%
decreased by 310.28%
1 Month
1,488.10%
decreased by 241.40%
Analysis last updated: Saturday, September 12, 2026 at 09:27 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 10, 2003 to Sep 11, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 4-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 26 | |
| αARCH | 0.2968 | 2.62*** |
| βGARCH | 0.6273 | 7.29*** |
| γleverage | -0.1662 | -1.41 |
| λ₁tau intercept | 0.6755 | 1.40 |
| λ₂forecast adj. | 0.0843 | 2.25** |
| λ₃tau persistence | 0.9157 | 25.32*** |
0.841
Persistence4d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 26 | |
α ARCH Response to squared shocks | 0.2968 | 2.62*** |
β GARCH Volatility persistence | 0.6273 | 7.29*** |
γ leverage Additional response to negative shocks | -0.1662 | -1.41 |
λ₁ tau intercept Baseline long-term coefficient | 0.6755 | 1.40 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0843 | 2.25** |
λ₃ tau persistence Long-term factor persistence | 0.9157 | 25.32*** |
Persistence:
0.841
Half-life:
4 days
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