V-Lab
30Y US Treasury CMT 30 Year MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, September 24th, 2026
1 Day
12.79%
1 Week
12.85%
1 Month
12.89%
Analysis last updated: Thursday, September 24, 2026 at 03:00 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 18, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 1400 trading days (~5.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: volatility responds almost entirely to negative shocks
MF2-GARCH Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 46 | |
| αARCH | 0.0052 | 1.42 |
| βGARCH | 0.9791 | 261.64*** |
| γleverage | 0.0306 | 5.50*** |
| λ₁tau intercept | 1.3739 | 1.28 |
| λ₂forecast adj. | 0.4374 | 1.35 |
| λ₃tau persistence | 0.0000 | 0.00 |
1.000
Persistence1400d
Half-lifeMF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 46 | |
α ARCH Response to squared shocks | 0.0052 | 1.42 |
β GARCH Volatility persistence | 0.9791 | 261.64*** |
γ leverage Additional response to negative shocks | 0.0306 | 5.50*** |
λ₁ tau intercept Baseline long-term coefficient | 1.3739 | 1.28 |
λ₂ forecast adj. Forecast performance sensitivity | 0.4374 | 1.35 |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
1.000
Half-life:
1400 days
Other 30Y US Treasury CMT 30 Year Analyses
Other MF2-GARCH Analyses on Government Bonds