5Y US Treasury CMT 5 Year Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, November 9th, 2026
1 Day
21.12%
decreased by 0.11%
1 Week
21.26%
increased by 0.03%
1 Month
21.81%
increased by 0.58%
Analysis last updated: Saturday, November 7, 2026 at 05:00 AM UTC
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How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Nov 6, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 1612 trading days (~6.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
High persistence: persistence 1.000, shock half-life ~1612 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.1456 | 3.66*** |
| αARCH | 0.0494 | 10.28*** |
| βGARCH | 0.9502 | 195.87*** |
Spline Coefficients
K=1
| γ1 | -0.0006 | -1.72* |
1.000
Persistence1612d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.1456 | 3.66*** |
α ARCH Response to squared shocks | 0.0494 | 10.28*** |
β GARCH Volatility persistence | 0.9502 | 195.87*** |
Spline Coefficients
K=1
| γ1 | -0.0006 | -1.72* |
Persistence:
1.000
Half-life:
1612 days
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