V-Lab
Henry Hub Natural Gas MF2-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
39.76%
decreased by 0.87%
1 Week
40.40%
decreased by 0.23%
1 Month
42.80%
increased by 2.17%
Analysis last updated: Saturday, August 22, 2026 at 05:15 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 30, 2000 to Aug 21, 2026Model Insight
With persistence 0.996, volatility shocks have a half-life of 172 trading days (~0.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 106 | |
α ARCH Response to squared shocks | 0.0843 | 25.18*** |
β GARCH Volatility persistence | 0.9110 | 363.40*** |
γ leverage Additional response to negative shocks | 0.0013 | 0.25 |
λ₁ tau intercept Baseline long-term coefficient | 8.7320 | 1.51 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.7242 | 3.50*** |
Persistence:
0.996
Half-life:
172 days
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