V-Lab
30Y US Treasury 30 Year Zero Coupon Yield Continuously Compounded MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
15.57%
decreased by 0.52%
1 Week
15.56%
decreased by 0.53%
1 Month
16.13%
increased by 0.04%
Analysis last updated: Wednesday, September 23, 2026 at 03:06 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 18, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 82% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 82% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 56 | |
| αARCH | 0.0344 | 3.74*** |
| βGARCH | 0.8816 | 43.76*** |
| γleverage | 0.0281 | 2.18** |
| λ₁tau intercept | 0.1397 | 3.86*** |
| λ₂forecast adj. | 0.9232 | 22.67*** |
| λ₃tau persistence | 0.0000 | 0.00 |
0.930
Persistence10d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 56 | |
α ARCH Response to squared shocks | 0.0344 | 3.74*** |
β GARCH Volatility persistence | 0.8816 | 43.76*** |
γ leverage Additional response to negative shocks | 0.0281 | 2.18** |
λ₁ tau intercept Baseline long-term coefficient | 0.1397 | 3.86*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.9232 | 22.67*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.930
Half-life:
10 days
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