V-Lab
2Y US Treasury CMT 2 Year MF2-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Thursday, September 24th, 2026
1 Day
18.87%
1 Week
18.96%
1 Month
19.32%
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 7296 trading days (~29.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 242% more than positive returns
MF2-GARCH Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 101 | |
| αARCH | 0.0211 | 3.79*** |
| βGARCH | 0.9532 | 237.77*** |
| γleverage | 0.0511 | 5.46*** |
| λ₁tau intercept | 0.3043 | 1.94* |
| λ₂forecast adj. | 0.0000 | 0.00 |
| λ₃tau persistence | 0.9958 | 76.09*** |
1.000
Persistence7296d
Half-lifeMF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 101 | |
α ARCH Response to squared shocks | 0.0211 | 3.79*** |
β GARCH Volatility persistence | 0.9532 | 237.77*** |
γ leverage Additional response to negative shocks | 0.0511 | 5.46*** |
λ₁ tau intercept Baseline long-term coefficient | 0.3043 | 1.94* |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.9958 | 76.09*** |
Persistence:
1.000
Half-life:
7296 days
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