V-Lab
iShares Russell 3000 ETF MF2-GARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
10.67%
decreased by 0.21%
1 Week
11.33%
increased by 0.45%
1 Month
13.05%
increased by 2.17%
Analysis last updated: Friday, August 14, 2026 at 10:27 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 29, 2000 to Aug 14, 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
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 76 | |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8403 | 232.72*** |
γ leverage Additional response to negative shocks | 0.2085 | 44.71*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0261 | 5.44*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.1278 | 6.74*** |
λ₃ tau persistence Long-term factor persistence | 0.8475 | 37.01*** |
Persistence:
0.945
Half-life:
12 days
Other iShares Russell 3000 ETF Analyses
Other MF2-GARCH Analyses on ETFs