1Y US Treasury 1 Year Zero Coupon Yield Continuously Compounded GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, November 2nd, 2026
1 Day
15.22%
1 Week
15.30%
1 Month
15.59%
Analysis last updated: Wednesday, November 4, 2026 at 04:05 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 30, 2026Model Insight
With persistence 0.997, volatility shocks have a half-life of 273 trading days (~1.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 4.78 degrees of freedom, capturing fatter tails than a normal distribution.
GAS-GARCH-T Model
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| Param | Value | t-stat |
|---|---|---|
| ωlong-run | 2.7026 | 2.36** |
| αscore | 0.0657 | 21.14*** |
| βpersistence | 0.9975 | 958.18*** |
| νDF | 4.7764 | 12.39*** |
0.997
Persistence273d
Half-lifeGAS-GARCH-T Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω long-run Long-run variance given a price move | 2.7026 | 2.36** |
α score Weight on the scaled score | 0.0657 | 21.14*** |
β persistence Volatility persistence | 0.9975 | 958.18*** |
ν DF Student-t tail thickness | 4.7764 | 12.39*** |
Persistence:
0.997
Half-life:
273 days
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