V-Lab
3Y US Treasury 3 Year Zero Coupon Yield Continuously Compounded MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
16.83%
1 Week
16.99%
1 Month
17.15%
Analysis last updated: Wednesday, September 23, 2026 at 03:05 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
With persistence 1.000, volatility shocks have a half-life of 2601 trading days (~10.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 301% more than positive returns
MF2-GARCH Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0124 | 2.68*** |
| βGARCH | 0.9688 | 257.51*** |
| γleverage | 0.0372 | 5.67*** |
| λ₁tau intercept | 10.0000 | 1.53 |
| λ₂forecast adj. | 0.2041 | 1.50 |
| λ₃tau persistence | 0.0000 | 0.00 |
1.000
Persistence2601d
Half-lifeMF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0124 | 2.68*** |
β GARCH Volatility persistence | 0.9688 | 257.51*** |
γ leverage Additional response to negative shocks | 0.0372 | 5.67*** |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 1.53 |
λ₂ forecast adj. Forecast performance sensitivity | 0.2041 | 1.50 |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
1.000
Half-life:
2601 days
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