V-Lab
S&P GSCI Softs Spot Index MF2-GARCH Volatility Analysis
Volatility prediction for Monday, August 31st, 2026
1 Day
22.73%
decreased by 0.63%
1 Week
22.83%
decreased by 0.53%
1 Month
23.04%
decreased by 0.32%
Analysis last updated: Friday, August 28, 2026 at 11:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 17, 1995 to Aug 28, 2026Stationarity Enforced
Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 26 | |
α ARCH Response to squared shocks | 0.0623 | 4.89*** |
β GARCH Volatility persistence | 0.8715 | 32.81*** |
γ leverage Additional response to negative shocks | -0.0155 | -1.23 |
λ₁ tau intercept Baseline long-term coefficient | 0.0048 | 1.75* |
λ₂ forecast adj. Forecast performance sensitivity | 0.0180 | 2.99*** |
λ₃ tau persistence Long-term factor persistence | 0.9790 | 139.07*** |
Persistence:
0.926
Half-life:
9 days
Other S&P GSCI Softs Spot Index Analyses
Other MF2-GARCH Analyses on Commodities