Henry Hub Natural Gas MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, October 15th, 2026
1 Day
46.28%
unchanged at 0.00%
1 Week
48.09%
increased by 1.81%
1 Month
48.36%
increased by 2.08%
Analysis last updated: Thursday, October 15, 2026 at 05:17 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 30, 2000 to Oct 9, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 3-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0789 | 2.39** |
| βGARCH | 0.7004 | 8.17*** |
| γleverage | -0.0269 | -0.82 |
| λ₁tau intercept | 0.3614 | 3.03*** |
| λ₂forecast adj. | 0.2282 | 4.35*** |
| λ₃tau persistence | 0.7569 | 13.72*** |
0.766
Persistence3d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0789 | 2.39** |
β GARCH Volatility persistence | 0.7004 | 8.17*** |
γ leverage Additional response to negative shocks | -0.0269 | -0.82 |
λ₁ tau intercept Baseline long-term coefficient | 0.3614 | 3.03*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.2282 | 4.35*** |
λ₃ tau persistence Long-term factor persistence | 0.7569 | 13.72*** |
Persistence:
0.766
Half-life:
3 days
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