V-Lab
Russell 1000 Value Index MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
11.11%
decreased by 0.40%
1 Week
11.45%
decreased by 0.06%
1 Month
12.24%
increased by 0.73%
Analysis last updated: Tuesday, September 15, 2026 at 12:05 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 12, 2000 to Sep 11, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
Tap to view equation
Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| mwindow | 76 | |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.8549 | 72.53*** |
| γleverage | 0.1895 | 11.59*** |
| λ₁tau intercept | 0.0217 | 1.69* |
| λ₂forecast adj. | 0.1040 | 3.27*** |
| λ₃tau persistence | 0.8735 | 20.91*** |
0.950
Persistence13d
Half-lifeσ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 76 | |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8549 | 72.53*** |
γ leverage Additional response to negative shocks | 0.1895 | 11.59*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0217 | 1.69* |
λ₂ forecast adj. Forecast performance sensitivity | 0.1040 | 3.27*** |
λ₃ tau persistence Long-term factor persistence | 0.8735 | 20.91*** |
Persistence:
0.950
Half-life:
13 days
Other Russell 1000 Value Index Analyses
Other MF2-GARCH Analyses on Equity Indices