V-Lab
30Y US Treasury CMT 30 Year MF2-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
10.81%
1 Week
10.86%
1 Month
10.91%
Analysis last updated: Saturday, July 25, 2026 at 03:01 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Jul 24, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 1407 trading days (~5.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 292% more than positive returns
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 51 | |
α ARCH Response to squared shocks | 0.0110 | 9.14*** |
β GARCH Volatility persistence | 0.9725 | 729.00*** |
γ leverage Additional response to negative shocks | 0.0321 | 25.97*** |
λ₁ tau intercept Baseline long-term coefficient | 2.3696 | 0.22 |
λ₂ forecast adj. Forecast performance sensitivity | 0.2733 | 0.22 |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
1.000
Half-life:
1407 days
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